# KidsApp vs Flash Stack

The clearest difference is update cadence: Flash Stack at every 3 days against KidsApp's weekly. KidsApp's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

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

KidsApp ships an update weekly, Flash Stack every 3 days. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | KidsApp | Flash Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 103 MB | 8 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ILEAF SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/682252363) | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) |

## What reviewers say

### KidsApp

[App page](https://appshunter.io/ios/app/kidsapp/id1270674055)

**In-app purchases:** none


### Flash Stack

[App page](https://appshunter.io/ios/app/flash-stack-revision-cards/id6763527608)

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

**In-app purchases:** none


## Frequently asked questions

### Is KidsApp free?

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

### Is Flash Stack free?

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

### Do KidsApp or Flash Stack have ads?

Neither KidsApp nor Flash Stack shows ads.

### Which is updated more often, KidsApp or Flash Stack?

KidsApp ships an update weekly, and Flash Stack every 3 days. Most recently, KidsApp was updated on October 4, 2026 and Flash Stack on September 29, 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.*