# PeptidePal vs ShotCheck

The clearest difference is in-app purchases: ShotCheck at none against PeptidePal's 2. PeptidePal's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. PeptidePal sells 2 in-app purchases, starting at $4.99 per month. ShotCheck asks for nothing beyond the download.

PeptidePal ships an update weekly, ShotCheck every 10 days. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PeptidePal | ShotCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 82 MB | 15 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [PeptidePal LLC](https://appshunter.io/developer/1885590601) | [Nianci Zhong](https://appshunter.io/developer/6772027559) |

## What reviewers say

### PeptidePal

[App page](https://appshunter.io/ios/app/peptidepal-peptide-tracker/id6760661844)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PeptidePal Pro Monthly | $4.99 | per month |
| PeptidePal Pro Annual | $39.99 | per year |


### 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 PeptidePal free?

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

### Is ShotCheck free?

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

### Do PeptidePal or ShotCheck have ads?

Neither PeptidePal nor ShotCheck shows ads.

### Which is updated more often, PeptidePal or ShotCheck?

PeptidePal ships an update weekly, and ShotCheck every 10 days. Most recently, PeptidePal was updated on October 25, 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.*