# Digit Detective vs Solo Learning

The clearest difference is in-app purchases: Solo Learning at none against Digit Detective's 1. Digit Detective's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Digit Detective sells 1 one-off in-app purchase. Solo Learning asks for nothing beyond the download.

## The numbers

| Metric | Digit Detective | Solo Learning |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | — |
| Size | 26 MB | 310 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [BrainTrain Inc.](https://appshunter.io/developer/584469134) | [Brandon Jones](https://appshunter.io/developer/1749683344) |

## What reviewers say

### Digit Detective

[App page](https://appshunter.io/ios/app/digit-detective-memory-train/id1211833573)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


### Solo Learning

[App page](https://appshunter.io/ios/app/solo-learning/id6503633832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Digit Detective free?

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

### Is Solo Learning free?

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

### Do Digit Detective or Solo Learning have ads?

Neither Digit Detective nor Solo Learning shows ads.

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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.*