# reminDO vs Flash Cards & Dictionary

The clearest difference is review sentiment: Flash Cards & Dictionary at 90% against reminDO's 72%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. reminDO sells 10 in-app purchases, starting at $1.99 per month and Flash Cards & Dictionary sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

reminDO ships an update weekly, Flash Cards & Dictionary every 6 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | reminDO | Flash Cards & Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (61 ratings)](https://appshunter.io/ios/app/remindo-ensure-knowledge/id1058865810/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 71.6% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 179 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [atkk](https://appshunter.io/developer/543439608) | [Kengo Kosakai](https://appshunter.io/developer/1632848454) |

## What reviewers say

### reminDO

[App page](https://appshunter.io/ios/app/remindo-ensure-knowledge/id1058865810)

This app helps you retain information by sending timely reminders before you forget it. It optimizes your study sessions based on the forgetting curve, ensuring maximum memorization with minimal effort. Easily manage your learning materials and study across multiple devices.

**Highlights:** Optimized studying based on forgetting curve, Manage 'to do' lists for learning, Study on smartphone, tablet, or PC, Memorize book/article gists, Capture and recall notes, Remember quotes and foreign language words

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Member (Monthly) | $1.99 | per month |
| Monthly + 7 Days Free | $1.99 | per month |
| Plus Member (Monthly) | $4.49 | per month |
| 3 Months + 3 Days Free | $5.99 | per 3 months |
| 3 Months + 7 Days Free | $5.99 | per 3 months |
| Annual + 7 Days Free | $14.99 | per year |
| Plus Member (Yearly) | $19.99 | per year |
| Annual + 3 Days Free | $19.99 | per year |
| Annual + 7 Days Free | $19.99 | per year |
| Lifetime License | $34.99 | one-time |


### Flash Cards & Dictionary

[App page](https://appshunter.io/ios/app/flash-cards-and-dictionary/id1632848452)

Create and study with digital flashcards using a built-in dictionary. Import from photos or books, and test your knowledge with various quiz modes. Offers AI writing correction and ad-free experience with premium.

**Highlights:** Create flashcards from photos or books, Built-in dictionary for word lookup, 4-choice and listening quizzes, Automatic back-side input, AI-powered English writing correction (Premium), Import from commercial wordbooks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (1 Month) | $2.99 | per month |
| Premium Plan (Annual) | $29.99 | per year |
| Business Monthly | $29.99 | per month |
| Business annual | $299.99 | per year |


## Frequently asked questions

### Is reminDO free?

reminDO is free to download, with in-app purchases available.

### Is Flash Cards & Dictionary free?

Flash Cards & Dictionary is free to download, with in-app purchases available.

### Do reminDO or Flash Cards & Dictionary have ads?

Both reminDO and Flash Cards & Dictionary show ads.

### Which is updated more often, reminDO or Flash Cards & Dictionary?

reminDO ships an update weekly, and Flash Cards & Dictionary every 6 days. Most recently, reminDO was updated on November 6, 2026 and Flash Cards & Dictionary on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*