# NumMemorize vs GapLearn

The clearest difference is update cadence: GapLearn at every 3 days against NumMemorize's every 4 months. NumMemorize's advantage is iOS requirement (9.0 vs 13.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for NumMemorize against 5.0 for GapLearn. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

NumMemorize ships an update every 4 months, GapLearn every 3 days. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | NumMemorize | GapLearn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nummemorize/id310151986/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gaplearn-daily-micro-learning/id6760909484/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 3 MB | 29 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mahboud Zabetian](https://appshunter.io/developer/310151989) | [星昱 曹](https://appshunter.io/developer/1481431616) |

## What reviewers say

### NumMemorize

[App page](https://appshunter.io/ios/app/nummemorize/id310151986)

This app helps users memorize digits of mathematical constants like pi and e through quizzes. It also allows users to input and memorize their own custom numbers, and offers voice input for convenience.

**Highlights:** Memorize digits of pi, e, and other constants, Quiz yourself on number recall, Input and memorize custom numbers, Voice input for number entry, Practice for math and science students

**Features:** macOS Compatibility

**In-app purchases:** none


### GapLearn

[App page](https://appshunter.io/ios/app/gaplearn-daily-micro-learning/id6760909484)

This app transforms idle moments into learning opportunities with AI-generated knowledge cards.  Its swipe-to-learn interface makes acquiring new insights effortless and personalized, building a personal vault of saved facts.

**Highlights:** AI-generated content, Micro-learning cards, Swipe-to-learn interface, Personalized content, Knowledge vault, Diverse categories

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

**In-app purchases:** none


## Frequently asked questions

### Is NumMemorize free?

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

### Is GapLearn free?

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

### Which has better reviews, NumMemorize or GapLearn?

NumMemorize and GapLearn are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do NumMemorize or GapLearn have ads?

Neither NumMemorize nor GapLearn shows ads.

### Which is updated more often, NumMemorize or GapLearn?

NumMemorize ships an update every 4 months, and GapLearn every 3 days. Most recently, NumMemorize was updated on September 28, 2026 and GapLearn on October 2, 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.*