# reminDO vs GeoMemorizer

The clearest difference is in-app purchases: GeoMemorizer at none against reminDO's 10. GeoMemorizer also leads on ads (none vs shown). reminDO's advantage is iOS requirement (15 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. reminDO sells 10 in-app purchases, starting at $1.99 per month. GeoMemorizer asks for nothing beyond the download.

reminDO ships an update weekly, GeoMemorizer every 2 weeks. Both last shipped on November 13, 2026.

## The numbers

| Metric | reminDO | GeoMemorizer |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 20 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [atkk](https://appshunter.io/developer/543439608) | [Takafumi Nakasu](https://appshunter.io/developer/6816660339) |

## 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 |


### GeoMemorizer

[App page](https://appshunter.io/ios/app/geomemorizer/id6816660337)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is reminDO free?

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

### Is GeoMemorizer free?

GeoMemorizer is free to download, with no in-app purchases.

### Do reminDO or GeoMemorizer have ads?

reminDO shows ads; GeoMemorizer does not.

### Which is updated more often, reminDO or GeoMemorizer?

reminDO ships an update weekly, and GeoMemorizer every 2 weeks. Most recently, reminDO was updated on November 13, 2026 and GeoMemorizer on November 13, 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.*