# Many dots vs NBack 3D

The clearest difference is review sentiment: NBack 3D at 100% against Many dots's 0%. NBack 3D also leads on rating (5.0 vs 4.5). Many dots's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. NBack 3D sells 1 one-off in-app purchase. Many dots asks for nothing beyond the download.

NBack 3D holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Many dots's written reviews are positive against 100% of NBack 3D's.

## The numbers

| Metric | Many dots | NBack 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/many-dots-memory-span-training-game-improve-attention-keep-your-brain-sharp/id1145901943/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nback-3d/id1407606652/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 5 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Tselikov](https://appshunter.io/developer/587256869) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## What reviewers say

### Many dots

[App page](https://appshunter.io/ios/app/many-dots-memory-span-training-game-improve-attention-keep-your-brain-sharp/id1145901943)

This game challenges your working memory by having you track and recall the positions of moving figures. Regular practice can help improve your attention span and memory recall.

**Highlights:** Memory span training, Attention improvement, Figure position recall, Minimalist design, Progressive difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


### NBack 3D

[App page](https://appshunter.io/ios/app/nback-3d/id1407606652)

This app challenges your memory by requiring you to count 3D shapes of specific colors. As the 'N' value increases, the difficulty escalates, testing your ability to recall past stimuli in a sequence.

**Highlights:** N-Back memory challenge, 3D shape and color recognition, Increasing difficulty levels, Sequence memorization, Cognitive skill enhancement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extend to 20'Back & Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Many dots free?

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

### Is NBack 3D free?

NBack 3D is free to download, with in-app purchases available.

### Which has better reviews, Many dots or NBack 3D?

NBack 3D is rated higher. Many dots averages 4.5 out of 5 from 2 ratings, while NBack 3D averages 5.0 from 1 ratings.

### Do Many dots or NBack 3D have ads?

NBack 3D shows ads; Many dots 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.*