# Digit Detective vs BrainIQ

The clearest difference is in-app purchases: BrainIQ at none against Digit Detective's 1. BrainIQ also leads on update cadence (weekly vs every 39 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Digit Detective ships an update every 39 months, BrainIQ weekly. The most recent releases landed on September 15, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | Digit Detective | BrainIQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | **Weekly** |
| Size | 26 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BrainTrain Inc.](https://appshunter.io/developer/584469134) | [Chien Hoang Anh](https://appshunter.io/developer/1772122691) |

## 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 |


### BrainIQ

[App page](https://appshunter.io/ios/app/brainiq/id6471991155)

**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 BrainIQ free?

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

### Do Digit Detective or BrainIQ have ads?

Neither Digit Detective nor BrainIQ shows ads.

### Which is updated more often, Digit Detective or BrainIQ?

Digit Detective ships an update every 39 months, and BrainIQ weekly. Most recently, Digit Detective was updated on September 15, 2026 and BrainIQ on May 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.*