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reminDO - Ensure knowledge
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How much does reminDO - Ensure knowledge cost?
Prices are current as of 6 Oct 2026.
7 subscriptions from $1.99
In the United States, reminDO - Ensure knowledge has 7 subscriptions priced $1.99 – 19.99. Free trials run 3 days, 7 days or 1 month.
| Subscription | Period | Price |
|---|---|---|
| Monthly + 7 Days Free | MonthlyTrial: 7 days | $1.99 |
| Plus Member (Monthly) | Monthly | $1.99 – 4.49 |
| 3 Months + 3 Days Free | 3 monthsTrial: 3 days | $5.99 |
| 3 Months + 7 Days Free | 3 monthsTrial: 7 days | $5.99 |
| Annual + 3 Days Free | AnnualTrial: 3 days | $19.99 |
| Annual + 7 Days Free | AnnualTrial: 7 days, 1 month | $14.99 – 19.99 |
| Plus Member (Yearly) | Annual | $19.99 |
1 one-time purchase from $34.99
In the United States, reminDO - Ensure knowledge has 1 one-time purchase priced $34.99.
| Product | Price |
|---|---|
| Lifetime License | $34.99 |
See what reminDO - Ensure knowledge costs in all 175 countries →
10+ alternatives to reminDO - Ensure knowledge
| reminDO - Ensure knowledge |   英語勉強 mikan 英語の学習 英検®/英会話/英文法 |   WordHolic | DIY Flash Cards! |   Focus Study Timer & Study Log |   レシピー - パーソナルレシピ型英語学習でバイリンガルに！ |   単語帳アプリ 単語帳メーカー |   AI Flashcards - Sugoi Ankityou |   無機化学 |   Distinction - Words & Phrases |   InstaEnglish—Speak&Learn Fast |   どんどん話すための瞬間英作文トレーニング | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rating / 5 | 4.6 | 4.7 | 4.7 | 4.9 | 4.5 | 4.6 | 4.6 | 4.8 | 4.7 | 4.6 | 3.1 |
| Reviews | 18K | 281K | 153K | 134K | 31K | 4.8K | 4.6K | 3.9K | 1.8K | 1.5K | 313 |
| Released | 2016 | 2014 | 2018 | 2018 | 2014 | 2016 | 2023 | 2018 | 2021 | 2024 | 2011 |
| Monthly price | $1.99 | $8.99 | $2.99 | $6.99 | $3.99 | — | $8.99 | — | — | $1.99 | — |
| Annual price | $19.99 | $65.99 | $39.99 | — | — | — | $44.99 | — | — | $79.99 | — |
| One-time price | $34.99 | — | — | $5.99 | — | $1.99 | — | — | $19.99 | — | $4.99 |
The going rate for each plan in United States, in its own currency, shaded from the cheapest price on the row to the dearest. Plans fewer than four in ten of the priced apps sell are left out.
reminDO - Ensure knowledge reviews
4.6 out of 5, based on 18,187 reviews.
★★★★★
Feature request
Everything's perfect, would love to see the ability to add images as hidden answer.
★★★★☆
Calendar view
It would be very helpful if you add a calendar view of the things that needs to be reviewed.
★★★★★
Not being able to login through apple id on the iphone app Please fix it
Not being able to login through apple id on the iphone app Please fix it
★★★★★
Underrated app
Everyone talks about spaced repetition using anki, brainscape or other apps. But this is REAL SPACED REPETITION! The scheduled reminders pop up and I study the material, then reminDO tells me when I need to see it again. Its actually a game changer and I don’t even use all the features. I would pay for this app
reminDO - Ensure knowledge price by country
A monthly subscription costs $1.13 in Nigeria and $3.05 in Hungary — 3× more for the same thing. Below is the going rate for each plan in every country that sells it — the middle price of what the app charges there, in the country's own currency with the dollar equivalent beneath it.
| Country | Monthly | 3 months | Annual | One-time |
|---|---|---|---|---|
| Afghanistan | $1.99 | $5.99 | $19.99 | $34.99 |
| Albania | $1.99 | $6.99 | $22.99 | $39.99 |
| Algeria | $1.99 | $5.99 | $19.99 | $34.99 |
| Angola | $1.99 | $5.99 | $19.99 | $34.99 |
| Anguilla | $1.99 | $5.99 | $19.99 | $34.99 |
| Antigua And Barbuda | $1.99 | $5.99 | $19.99 | $34.99 |
| Argentina | $1.99 | $5.99 | $19.99 | $34.99 |
| Armenia | $1.99 | $6.99 | $22.99 | $39.99 |
| Australia | A$2.99$2.08 | A$9.99$6.94 | A$29.99$20.83 | A$59.99$41.66 |
| Austria | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Azerbaijan | $1.99 | $5.99 | $19.99 | $39.99 |
| Bahamas | $1.99 | $6.99 | $19.99 | $39.99 |
| Bahrain | $1.99 | $6.99 | $19.99 | $39.99 |
| Barbados | $1.99 | $6.99 | $22.99 | $39.99 |
| Belarus | $1.99 | $6.99 | $22.99 | $39.99 |
| Belgium | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | — |
| Belize | $1.99 | $5.99 | $19.99 | $34.99 |
| Benin | $1.99 | $6.99 | $19.99 | $39.99 |
| Bermuda | $1.99 | $5.99 | $19.99 | $34.99 |
| Bhutan | $1.99 | $5.99 | $19.99 | $34.99 |
| Bolivia | $1.99 | $5.99 | $19.99 | — |
| Bosnia & Herzegovina | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Botswana | $1.99 | $5.99 | $19.99 | $34.99 |
| Brazil | R$9.90$1.97 | R$29.90$5.96 | R$99.90$19.90 | R$229.90$45.80 |
| British Virgin Islands | $1.99 | $5.99 | $19.99 | $34.99 |
| Brunei Darussalam | $1.99 | $5.99 | $19.99 | $34.99 |
| Bulgaria | €1.99$2.23 | €6.49$7.28 | €19.99$22.41 | €39.99$44.83 |
| Burkina Faso | $1.99 | $5.99 | $19.99 | $34.99 |
| Cambodia | $1.99 | $6.99 | $19.99 | $39.99 |
| Cameroon | $1.99 | $6.99 | $22.99 | $39.99 |
| Canada | CA$2.99$2.09 | CA$7.99$5.59 | CA$24.99$17.48 | CA$49.99$34.96 |
| Cape Verde | $1.99 | $5.99 | $19.99 | $34.99 |
| Cayman Islands | $1.99 | $5.99 | $19.99 | $34.99 |
| Chad | $1.99 | $5.99 | $19.99 | $34.99 |
| Chile | CLP 1,990$2.01 | CLP 6,990$7.07 | CLP 19,990$20.22 | CLP 39,990$40.45 |
| China | CN¥15.00$2.24 | CN¥38.00$5.66 | CN¥148.00$22.06 | CN¥228.00$33.98 |
| Colombia | COP 9,900$3.01 | COP 29,900$9.10 | COP 99,900$30.40 | COP 149,900$45.62 |
| Congo | $1.99 | $5.99 | $19.99 | $39.99 |
| Congo, Democratic Republic | $1.99 | $5.99 | $19.99 | $34.99 |
| Costa Rica | $1.99 | $5.99 | $19.99 | $34.99 |
| Cote Divoire | $1.99 | $6.99 | $19.99 | $39.99 |
| Croatia | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Cyprus | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Czech Republic | CZK 49.00$2.25 | CZK 149.00$6.83 | CZK 499.00$22.88 | CZK 999.00$45.80 |
| Denmark | DKK 19.00$2.85 | DKK 49.00$7.35 | DKK 179.00$26.84 | DKK 299.00$44.83 |
| Dominica | $1.99 | $5.99 | $19.99 | $34.99 |
| Dominican Republic | $1.99 | $5.99 | $19.99 | $34.99 |
| Ecuador | $1.99 | $5.99 | $19.99 | $34.99 |
| Egypt | EGP 99.99$1.91 | EGP 299.99$5.72 | EGP 799.99$15.26 | EGP 1,999.99$38.15 |
| El Salvador | $1.99 | $5.99 | $19.99 | $34.99 |
| Estonia | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Fiji | $1.99 | $5.99 | $19.99 | $34.99 |
| Finland | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| France | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Gabon | $1.99 | $5.99 | $19.99 | $34.99 |
| Gambia | $1.99 | $5.99 | $19.99 | $34.99 |
| Georgia | $1.99 | $6.99 | $22.99 | $39.99 |
| Germany | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | — |
| Ghana | $1.99 | $6.99 | $22.99 | $39.99 |
| Greece | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Grenada | $1.99 | $5.99 | $19.99 | $34.99 |
| Guatemala | $1.99 | $5.99 | $19.99 | $34.99 |
| Guinea-bissau | $1.99 | $5.99 | $19.99 | $34.99 |
| Guyana | $1.99 | $5.99 | $19.99 | $34.99 |
| Honduras | $1.99 | $5.99 | $19.99 | $34.99 |
| Hong Kong | HK$18.00$2.29 | HK$48.00$6.11 | HK$148.00$18.85 | HK$288.00$36.69 |
| Hungary | HUF 999$3.05 | HUF 2,490$7.60 | HUF 8,990$27.43 | HUF 14,990$45.74 |
| Iceland | $1.99 | $6.99 | $22.99 | $39.99 |
| India | ₹199.00$2.06 | ₹599.00$6.21 | ₹1,999.00$20.74 | ₹3,499.00$36.30 |
| Indonesia | IDR 29,000$1.62 | IDR 99,000$5.53 | IDR 349,000$19.51 | IDR 699,000$39.07 |
| Iraq | $1.99 | $5.99 | $19.99 | $34.99 |
| Ireland | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Israel | ₪7.90$2.59 | ₪19.90$6.52 | ₪69.90$22.92 | ₪99.90$32.75 |
| Italy | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Jamaica | $1.99 | $5.99 | $19.99 | $34.99 |
| Japan | ¥380$2.41 | ¥1,000$6.33 | ¥3,000$18.99 | ¥5,800$36.71 |
| Jordan | $1.99 | $5.99 | $19.99 | $34.99 |
| Kazakhstan | KZT 999.00$2.19 | KZT 2,990.00$6.55 | KZT 9,990.00$21.89 | KZT 19,990.00$43.81 |
| Kenya | $1.99 | $6.99 | $22.99 | $39.99 |
| Kosovo | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Kuwait | $1.99 | $5.99 | $19.99 | $34.99 |
| Kyrgyzstan | $1.99 | $6.99 | $19.99 | $39.99 |
| Lao Peoples Democratic Republic | $1.99 | $6.99 | $19.99 | $39.99 |
| Latvia | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Lebanon | $1.99 | $5.99 | $19.99 | $34.99 |
| Liberia | $1.99 | $5.99 | $19.99 | $34.99 |
| Libya | $1.99 | $5.99 | $19.99 | $34.99 |
| Lithuania | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Luxembourg | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Macao | $1.99 | $5.99 | $19.99 | $34.99 |
| Macedonia | $1.99 | $5.99 | $19.99 | $34.99 |
| Madagascar | $1.99 | $5.99 | $19.99 | $34.99 |
| Malawi | $1.99 | $5.99 | $19.99 | $34.99 |
| Malaysia | MYR 9.90$2.42 | MYR 29.90$7.31 | MYR 99.90$24.43 | MYR 149.90$36.65 |
| Maldives | $1.99 | $5.99 | $19.99 | — |
| Mali | $1.99 | $5.99 | $19.99 | $34.99 |
| Malta | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Mauritania | $1.99 | $5.99 | $19.99 | $34.99 |
| Mauritius | $1.99 | $5.99 | $19.99 | $39.99 |
| Mexico | MX$39.00$2.15 | MX$129.00$7.12 | MX$399.00$22.03 | MX$799.00$44.12 |
| Micronesia | $1.99 | $5.99 | $19.99 | $34.99 |
| Moldova | $1.99 | $6.99 | $22.99 | $39.99 |
| Mongolia | $1.99 | $5.99 | $19.99 | $34.99 |
| Montenegro | €1.99$2.23 | €5.99$6.72 | €19.99$22.41 | €29.99$33.62 |
| Montserrat | $1.99 | $5.99 | $19.99 | $34.99 |
| Morocco | $1.99 | $5.99 | $19.99 | $39.99 |
| Mozambique | $1.99 | $5.99 | $19.99 | $34.99 |
| Myanmar | $1.99 | $5.99 | $19.99 | $34.99 |
| Namibia | $1.99 | $5.99 | $19.99 | $34.99 |
| Nauru | $1.99 | $5.99 | $19.99 | $34.99 |
| Nepal | $1.99 | $6.99 | $19.99 | $39.99 |
| Netherlands | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| New Zealand | NZ$3.99$2.23 | NZ$9.99$5.58 | NZ$39.99$22.34 | NZ$59.99$33.51 |
| Nicaragua | $1.99 | $5.99 | $19.99 | $34.99 |
| Niger | $1.99 | $5.99 | $19.99 | $34.99 |
| Nigeria | NGN 1,500.00$1.13 | NGN 9,900.00$7.44 | NGN 24,900.00$18.71 | NGN 59,900.00$45.00 |
| Norway | NOK 29.00$3.02 | NOK 79.00$8.24 | NOK 249.00$25.96 | NOK 449.00$46.82 |
| Oman | $1.99 | $5.99 | $19.99 | $34.99 |
| Pakistan | PKR 500$1.80 | PKR 1,700$6.13 | PKR 4,900$17.68 | PKR 9,900$35.73 |
| Palau | $1.99 | $5.99 | $19.99 | $34.99 |
| Panama | $1.99 | $5.99 | $19.99 | — |
| Papua New Guinea | $1.99 | $5.99 | $19.99 | — |
| Paraguay | $1.99 | $5.99 | $19.99 | $34.99 |
| Peru | PEN 7.90$2.30 | PEN 22.90$6.66 | PEN 79.90$23.23 | PEN 149.90$43.58 |
| Philippines | ₱99.00$1.58 | ₱299.00$4.77 | ₱999.00$15.95 | ₱2,290.00$36.56 |
| Poland | PLN 9.99$2.55 | PLN 29.99$7.67 | PLN 99.99$25.57 | — |
| Portugal | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Qatar | QAR 7.99$2.20 | QAR 19.99$5.49 | QAR 69.99$19.23 | QAR 129.99$35.71 |
| Romania | RON 9.99$2.10 | RON 29.99$6.30 | RON 99.99$21.01 | RON 199.99$42.01 |
| Russia | RUB 199.00$2.34 | RUB 499.00$5.86 | RUB 1,790.00$21.02 | RUB 2,990.00$35.11 |
| Rwanda | $1.99 | $5.99 | $19.99 | $34.99 |
| Sao Tome & Principe | $1.99 | $5.99 | $19.99 | $34.99 |
| Saudi Arabia | SAR 9.99$2.66 | SAR 24.99$6.66 | SAR 89.99$24.00 | SAR 149.99$40.00 |
| Senegal | $1.99 | $6.99 | $19.99 | $39.99 |
| Serbia | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Seychelles | $1.99 | $5.99 | $19.99 | $34.99 |
| Sierra Leone | $1.99 | $5.99 | $19.99 | $34.99 |
| Singapore | SGD 2.98$2.33 | SGD 8.98$7.02 | SGD 29.98$23.42 | SGD 49.98$39.05 |
| Slovakia | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Slovenia | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Solomon Islands | $1.99 | $5.99 | $19.99 | $34.99 |
| South Africa | ZAR 39.99$2.40 | ZAR 119.99$7.21 | ZAR 399.99$24.02 | ZAR 699.99$42.04 |
| South Korea | ₩3,300$2.46 | ₩8,800$6.55 | ₩29,000$21.60 | ₩55,000$40.96 |
| Spain | €1.99$2.23 | €6.99$7.84 | €22.99$25.77 | €39.99$44.83 |
| Sri Lanka | $1.99 | $5.99 | $19.99 | $34.99 |
| St. Kitts and Nevis | $1.99 | $5.99 | $19.99 | $34.99 |
| St. Lucia | $1.99 | $5.99 | $19.99 | $34.99 |
| St. Vincent & The Grenadines | $1.99 | $5.99 | $19.99 | $34.99 |
| Suriname | $1.99 | $6.99 | $19.99 | $39.99 |
| Swaziland | $1.99 | $5.99 | $19.99 | $34.99 |
| Sweden | SEK 29.00$2.89 | SEK 79.00$7.87 | SEK 249.00$24.80 | SEK 499.00$49.70 |
| Switzerland | CHF 2.00$2.41 | CHF 5.00$6.02 | CHF 18.00$21.66 | CHF 30.00$36.10 |
| Taiwan | NT$60.00$1.89 | NT$190.00$5.98 | NT$690.00$21.70 | NT$1,190.00$37.43 |
| Tajikistan | $1.99 | $6.99 | $19.99 | $39.99 |
| Tanzania | TZS 5,900.00$2.23 | TZS 17,900.00$6.78 | TZS 49,900.00$18.89 | TZS 99,900.00$37.82 |
| Thailand | THB 79.00$2.34 | THB 199.00$5.91 | THB 699.00$20.75 | THB 1,290.00$38.29 |
| Tonga | $1.99 | $5.99 | $19.99 | $34.99 |
| Trinidad and Tobago | $1.99 | $5.99 | $19.99 | $34.99 |
| Tunisia | $1.99 | $5.99 | $19.99 | $34.99 |
| Turkey | TRY 69.99$1.42 | TRY 249.99$5.09 | TRY 699.99$14.24 | TRY 1,999.99$40.68 |
| Turkmenistan | $1.99 | $5.99 | $19.99 | $34.99 |
| Turks and Caicos | $1.99 | $5.99 | $19.99 | $34.99 |
| Uganda | $1.99 | $6.99 | $22.99 | $39.99 |
| Ukraine | $1.99 | $6.99 | $22.99 | $39.99 |
| United Arab Emirates | AED 7.99$2.18 | AED 22.99$6.26 | AED 79.99$21.80 | AED 129.99$35.42 |
| United Kingdom | £1.99$2.63 | £5.99$7.92 | £19.99$26.44 | £34.99$46.28 |
| United States | $1.99 | $5.99 | $19.99 | $34.99 |
| Uruguay | $1.99 | $5.99 | $19.99 | $34.99 |
| Uzbekistan | $1.99 | $6.99 | $19.99 | $39.99 |
| Vanuatu | $1.99 | $5.99 | $19.99 | $34.99 |
| Venezuela | $1.99 | $5.99 | $19.99 | $34.99 |
| Vietnam | ₫49,000$1.89 | ₫149,000$5.74 | ₫499,000$19.22 | ₫999,000$38.47 |
| Yemen | $1.99 | $5.99 | $19.99 | $34.99 |
| Zambia | $1.99 | $6.99 | $19.99 | $39.99 |
| Zimbabwe | $1.99 | $6.99 | $22.99 | — |
reminDO - Ensure knowledge FAQ
- Is reminDO - Ensure knowledge free?
- Yes. The app and its basic features are free, in all 175 countries it sells in. Premium features are paid: they start from $1.99 (US), across 7 subscriptions and 1 one-time purchase.
- How much does reminDO - Ensure knowledge cost per month?
- Monthly + 7 Days Free is $1.99 – 4.49 (US). The annual plan works out cheaper per month: $14.99 – 19.99 a year.
- Does reminDO - Ensure knowledge have a free trial?
- Yes — free trials of 3 days, 7 days or 1 month (US), depending on the plan.
- Where is reminDO - Ensure knowledge cheapest?
- A monthly subscription costs NGN 1,500.00 (≈$1.13) in Nigeria and HUF 999 (≈$3.05) in Hungary, its cheapest and dearest countries.
- What are the best alternatives to reminDO - Ensure knowledge?
- 英語勉強 mikan 英語の学習 英検®/英会話/英文法 (4.7 from 280,865 reviews, premium from $8.99), WordHolic | DIY Flash Cards! (4.7 from 153,279 reviews, premium from $2.99) and Focus Study Timer & Study Log (4.9 from 134,096 reviews, premium from $2.99).
reminDO - Ensure knowledge download
Last updated 2 days ago.
reminDO - Ensure knowledge sells in 175 countries. It was released 10 years and 8 months ago, on 17 Jan 2016. It holds a 4.6 rating from 18,187 reviews.
Supports 7 languages: English, French, Japanese, Korean, Portuguese, Chinese, Spanish.
How much does reminDO - Ensure knowledge make?
Third-party estimates for the last 30 days, worldwide — not the store's own figures, which Apple publishes for nobody.
Revenue $5K
Downloads < 5,000
Products on sale 11
Revenue by plan
- Monthly 69%
- 3 months 17%
- Annual 14%
- One-time 0%
Revenue by country
- Japan 98%
- United States 1%
- Singapore 0%
- Australia 0%