# Frog Threes vs One Stroke Brain Puzzle

The clearest difference is ads: Frog Threes at none against One Stroke Brain Puzzle's shown. Frog Threes also leads on update cadence (every 3 weeks vs every 55 months) and iOS requirement (12.0 vs 15.0). 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.

Frog Threes ships an update every 3 weeks, One Stroke Brain Puzzle every 55 months. The most recent releases landed on May 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Frog Threes | One Stroke Brain Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 55 months |
| Size | 96 MB | 139 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Park Seokwoon](https://appshunter.io/developer/672121078) | [ZIROTEK Corp.](https://appshunter.io/developer/1209821727) |

## What reviewers say

### Frog Threes

[App page](https://appshunter.io/ios/app/frog-threes/id987849710)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Stroke Brain Puzzle

[App page](https://appshunter.io/ios/app/one-stroke-brain-puzzle/id1225019220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Frog Threes free?

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

### Is One Stroke Brain Puzzle free?

One Stroke Brain Puzzle is free to download, with no in-app purchases.

### Do Frog Threes or One Stroke Brain Puzzle have ads?

One Stroke Brain Puzzle shows ads; Frog Threes does not.

### Which is updated more often, Frog Threes or One Stroke Brain Puzzle?

Frog Threes ships an update every 3 weeks, and One Stroke Brain Puzzle every 55 months. Most recently, Frog Threes was updated on May 17, 2026 and One Stroke Brain Puzzle on September 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.*