# Prof. Peptide Protocol Tracker vs ShotCheck

The clearest difference is update cadence: ShotCheck at every 10 days against Prof. Peptide Protocol Tracker's every 3 weeks. Prof. Peptide Protocol Tracker's advantage is iOS requirement (15.1 vs 17.0). 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.

Prof. Peptide Protocol Tracker ships an update every 3 weeks, ShotCheck every 10 days. The most recent releases landed on September 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Prof. Peptide Protocol Tracker | ShotCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prof-peptide-protocol-tracker/id6761995269/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 33 MB | 15 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Strength Cycle Studios, LLC](https://appshunter.io/developer/1892356312) | [Nianci Zhong](https://appshunter.io/developer/6772027559) |

## What reviewers say

### Prof. Peptide Protocol Tracker

[App page](https://appshunter.io/ios/app/prof-peptide-protocol-tracker/id6761995269)

Track peptide and GLP-1 doses, calculate reconstitutions, and manage complex protocols. Access a compound library, visualize estimated levels, and review research summaries. Your data remains private and on your device.

**Highlights:** Dose logging and reminders, Reconstitution calculator, 60+ compound library, Full protocol and stack support, Estimated compound levels visualization, AI research assistant, Results and trends tracking

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

**In-app purchases:** none


### ShotCheck

[App page](https://appshunter.io/ios/app/shotcheck-peptide-tracker/id6772027557)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prof. Peptide Protocol Tracker free?

Prof. Peptide Protocol Tracker is free to download, with no in-app purchases.

### Is ShotCheck free?

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

### Do Prof. Peptide Protocol Tracker or ShotCheck have ads?

Neither Prof. Peptide Protocol Tracker nor ShotCheck shows ads.

### Which is updated more often, Prof. Peptide Protocol Tracker or ShotCheck?

Prof. Peptide Protocol Tracker ships an update every 3 weeks, and ShotCheck every 10 days. Most recently, Prof. Peptide Protocol Tracker was updated on September 15, 2026 and ShotCheck on October 6, 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.*