# Touch The Lost Numbers vs Memory for Chimps

The clearest difference is review sentiment: Memory for Chimps at 100% against Touch The Lost Numbers's 56%. Memory for Chimps also leads on rating (5.0 vs 3.2) and ads (none vs shown). Touch The Lost Numbers's advantage is ratings volume (6 vs 2). On price, in-app purchases and device support there is nothing between them.

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

Memory for Chimps holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 56% of Touch The Lost Numbers's written reviews are positive against 100% of Memory for Chimps's.

## The numbers

| Metric | Touch The Lost Numbers | Memory for Chimps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/touch-the-lost-numbers/id777615377/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/memory-for-chimps/id6736430658/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 31 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumu Kinoshita](https://appshunter.io/developer/753694887) | [Tensor Group LLC](https://appshunter.io/developer/1771971824) |

## What reviewers say

### Touch The Lost Numbers

[App page](https://appshunter.io/ios/app/touch-the-lost-numbers/id777615377)

Test your memory and reflexes by remembering the order of randomly placed numbers and tapping them sequentially. Compete for the best time in two challenging modes. This game aims to activate your brain, improve memory, and enhance peripheral vision.

**Highlights:** Memory training, Reflex enhancement, Two game modes (Normal, Hard), Score tracking, Brain activation, Peripheral vision training

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

**In-app purchases:** none


### Memory for Chimps

[App page](https://appshunter.io/ios/app/memory-for-chimps/id6736430658)

Train your working memory with a game inspired by primate cognition research. Memorize and recreate increasingly complex number sequences through progressively difficult levels. Enjoy a minimalist design focused on pure gameplay with no ads or distractions.

**Highlights:** Progressive difficulty levels, Time-limited challenges, Minimalist design, Personal best records, Earnable achievements, No ads or distractions

**In-app purchases:** none


## Frequently asked questions

### Is Touch The Lost Numbers free?

Touch The Lost Numbers is free to download, with no in-app purchases.

### Is Memory for Chimps free?

Memory for Chimps is free to download, with no in-app purchases.

### Which has better reviews, Touch The Lost Numbers or Memory for Chimps?

Memory for Chimps is rated higher. Touch The Lost Numbers averages 3.2 out of 5 from 6 ratings, while Memory for Chimps averages 5.0 from 2 ratings.

### Do Touch The Lost Numbers or Memory for Chimps have ads?

Touch The Lost Numbers shows ads; Memory for Chimps does not.

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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.*