# FASTRO (Old) vs PuzzleGen

The clearest difference is iOS requirement: FASTRO (Old) at 15.1 against PuzzleGen's 18.2. On price, update cadence, 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.

FASTRO (Old) ships an update every 3 weeks, PuzzleGen fortnightly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FASTRO (Old) | PuzzleGen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fastro-old/id6479392801/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 44 MB | 12 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [JLK Inc.](https://appshunter.io/developer/1503288987) | [PuzzleAI Co., Ltd.](https://appshunter.io/developer/1471846122) |

## What reviewers say

### FASTRO (Old)

[App page](https://appshunter.io/ios/app/fastro-old/id6479392801)

This AI-powered platform helps medical professionals streamline stroke care. It uses AI analysis and real-time data sharing to optimize workflows and improve patient outcomes during the critical golden hour.

**Highlights:** AI-based stroke workflow optimization, Swift and accurate decision-making, Real-time data sharing, Improved patient outcomes, Golden hour secured

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

**In-app purchases:** none


### PuzzleGen

[App page](https://appshunter.io/ios/app/puzzlegen/id6769224537)

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

**In-app purchases:** none


## Frequently asked questions

### Is FASTRO (Old) free?

FASTRO (Old) is free to download, with no in-app purchases.

### Is PuzzleGen free?

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

### Do FASTRO (Old) or PuzzleGen have ads?

Neither FASTRO (Old) nor PuzzleGen shows ads.

### Which is updated more often, FASTRO (Old) or PuzzleGen?

FASTRO (Old) ships an update every 3 weeks, and PuzzleGen fortnightly. Most recently, FASTRO (Old) was updated on October 10, 2026 and PuzzleGen on October 7, 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.*