# Instrumentor vs ZenTimer Pro

The clearest difference is update cadence: Instrumentor at every 3 days against ZenTimer Pro's every 2 weeks. Instrumentor also leads on iOS requirement (13.0 vs 18.5). On price, ads, 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.

Instrumentor ships an update every 3 days, ZenTimer Pro every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Instrumentor | ZenTimer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instrumentor/id6466037539/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 21 MB | 11 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Instrumentor Solutions Inc.](https://appshunter.io/developer/1706840493) | [ABDESSAMAD EL MOGHIR](https://appshunter.io/developer/1837654105) |

## What reviewers say

### Instrumentor

[App page](https://appshunter.io/ios/app/instrumentor/id6466037539)

This platform enables surgeons and medical professionals to manage and collaborate on surgical cases. It offers effortless video management and seamless connection with a professional network for feedback and insights.

**Highlights:** HIPAA-compliant collaboration, Effortless case video management, Access and search surgical cases, Seamless professional network connection, Share cases and provide feedback, Virtual voice assistant integration

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenTimer Pro

[App page](https://appshunter.io/ios/app/zentimer-pro/id6755069116)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instrumentor free?

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

### Is ZenTimer Pro free?

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

### Do Instrumentor or ZenTimer Pro have ads?

Neither Instrumentor nor ZenTimer Pro shows ads.

### Which is updated more often, Instrumentor or ZenTimer Pro?

Instrumentor ships an update every 3 days, and ZenTimer Pro every 2 weeks. Most recently, Instrumentor was updated on October 24, 2026 and ZenTimer Pro on October 25, 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.*