# WOD Timer vs Peptide Library and Tracker

The clearest difference is update cadence: WOD Timer at every 3 days against Peptide Library and Tracker's every 10 days. Peptide Library and Tracker's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. WOD Timer sells 2 in-app purchases, starting at $0.99 per 7 days and Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

WOD Timer ships an update every 3 days, Peptide Library and Tracker every 10 days. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | WOD Timer | Peptide Library and Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (20 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | — | Free |
| Size | 32 MB | 58 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Juggernaut Labs](https://appshunter.io/developer/1813511216) | [Superfime LLC](https://appshunter.io/developer/1833586524) |

## What reviewers say

### WOD Timer

[App page](https://appshunter.io/ios/app/wod-timer-simple-wod-timer/id6745722774)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Annual | $12.99 | per year |


### Peptide Library and Tracker

[App page](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737)

This app serves as a comprehensive guide and lab assistant for peptide research. It offers a detailed peptide library, dose calculation tools, and advanced tracking features for logging, inventory management, and protocol adherence. Users can also access educational content and community Q&A to enhance their research workflow.

**Highlights:** Comprehensive Peptide Library & Database, Advanced Peptide Dose Calculator, Smart Tracking & Calendar View, Lab Inventory Management, Protocol Tracking & Lab Assistant, Integrated Peptide Education

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Library Pro Monthly | $4.99 | per month |
| Peptide Library Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is WOD Timer free?

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

### Is Peptide Library and Tracker free?

Peptide Library and Tracker is free to download, with in-app purchases available.

### Do WOD Timer or Peptide Library and Tracker have ads?

Neither WOD Timer nor Peptide Library and Tracker shows ads.

### Which is updated more often, WOD Timer or Peptide Library and Tracker?

WOD Timer ships an update every 3 days, and Peptide Library and Tracker every 10 days. Most recently, WOD Timer was updated on September 9, 2026 and Peptide Library and Tracker on September 12, 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.*