# O.N.E vs Peptide Library and Tracker

The clearest difference is in-app purchases: O.N.E at none against Peptide Library and Tracker's 2. Peptide Library and Tracker's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. O.N.E asks for nothing beyond the download.

O.N.E ships an update every 3 weeks, Peptide Library and Tracker every 10 days. The most recent releases landed on September 13, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | O.N.E | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 56 MB | 58 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Ryan Smith](https://appshunter.io/developer/1807403196) | [Superfime LLC](https://appshunter.io/developer/1833586524) |

## What reviewers say

### O.N.E

[App page](https://appshunter.io/ios/app/one/id6744374659)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 O.N.E free?

O.N.E is free to download, with no in-app purchases.

### Is Peptide Library and Tracker free?

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

### Do O.N.E or Peptide Library and Tracker have ads?

Neither O.N.E nor Peptide Library and Tracker shows ads.

### Which is updated more often, O.N.E or Peptide Library and Tracker?

O.N.E ships an update every 3 weeks, and Peptide Library and Tracker every 10 days. Most recently, O.N.E was updated on September 13, 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.*