# PepSync vs PeptideLab

The clearest difference is update cadence: PeptideLab at daily against PepSync's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PepSync sells 1 one-off in-app purchase and PeptideLab sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PepSync ships an update every 3 weeks, PeptideLab daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PepSync | PeptideLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (27 ratings)](https://appshunter.io/ios/app/peptidelab-peptide-tracker/id6765477049/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 95.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | — | Freemium |
| Size | 39 MB | 110 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Rapid Sync IT LLC](https://appshunter.io/developer/1887127351) | [Peptide Labs LLC](https://appshunter.io/developer/1895964866) |

## What reviewers say

### PepSync

[App page](https://appshunter.io/ios/app/pepsync-peptide-calculator/id6762025755)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock PepSync | $19.99 | one-time |


### PeptideLab

[App page](https://appshunter.io/ios/app/peptidelab-peptide-tracker/id6765477049)

Track peptide, GLP-1, and HRT protocols with detailed logging and bloodwork analysis. Import lab reports and DEXA scans to visualize changes. Features an AI-powered food log for comprehensive health monitoring. Prioritizes user privacy with local-first data storage.

**Highlights:** Extensive compound database, Automated dose logging and titration, Reconstitution and draw-volume calculations, Lab report and DEXA scan import, AI-powered food logging, Local-first data privacy, Customizable reports

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |
| Pro Annual (Invite) | $55.99 | per year |
| Pro Annual (Friend) | $58.99 | per year |
| Annual (Founding) | $59.99 | per year |
| Annual | $69.99 | per year |


## Frequently asked questions

### Is PepSync free?

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

### Is PeptideLab free?

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

### Do PepSync or PeptideLab have ads?

Neither PepSync nor PeptideLab shows ads.

### Which is updated more often, PepSync or PeptideLab?

PepSync ships an update every 3 weeks, and PeptideLab daily. Most recently, PepSync was updated on October 25, 2026 and PeptideLab on October 28, 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.*