# Synthax vs ONTRACK

The clearest difference is in-app purchases: Synthax at none against ONTRACK's 1. Synthax also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. ONTRACK sells 1 in-app purchase, starting at $6.99 per month. Synthax asks for nothing beyond the download.

Synthax ships an update fortnightly, ONTRACK every 8 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | Synthax | ONTRACK |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free | — |
| Size | 20 MB | 44 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Synthac](https://appshunter.io/developer/1775724072) | [Oliver Fox](https://appshunter.io/developer/1827834468) |

## What reviewers say

### 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


### ONTRACK

[App page](https://appshunter.io/ios/app/ontrack-analyse-train/id6748888941)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $6.99 | per month |


## Frequently asked questions

### Is Synthax free?

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

### Is ONTRACK free?

ONTRACK is free to download, with in-app purchases available.

### Do Synthax or ONTRACK have ads?

ONTRACK shows ads; Synthax does not.

### Which is updated more often, Synthax or ONTRACK?

Synthax ships an update fortnightly, and ONTRACK every 8 days. Most recently, Synthax was updated on October 7, 2026 and ONTRACK 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.*