# Stone PT vs Synthax

The clearest difference is ads: Synthax at none against Stone PT's shown. Stone PT's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, 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.

Stone PT ships an update every 3 weeks, Synthax fortnightly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Stone PT | Synthax |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 188 MB | 20 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STONE LDN LIMITED](https://appshunter.io/developer/1600729064) | [Synthac](https://appshunter.io/developer/1775724072) |

## What reviewers say

### Stone PT

[App page](https://appshunter.io/ios/app/stone-pt/id6499384100)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Synthax

[App page](https://appshunter.io/ios/app/synthax/id6737279686)

Streamline your healthcare workflow by summarizing consultations, procedures, and reports. This app enhances productivity for medical professionals.

**Highlights:** Summarize consultations, Document procedures, Generate reports, Enhance productivity, Healthcare workflow optimization

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

**In-app purchases:** none


## Frequently asked questions

### Is Stone PT free?

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

### Is Synthax free?

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

### Do Stone PT or Synthax have ads?

Stone PT shows ads; Synthax does not.

### Which is updated more often, Stone PT or Synthax?

Stone PT ships an update every 3 weeks, and Synthax fortnightly. Most recently, Stone PT was updated on October 3, 2026 and Synthax 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.*