# Skill Tree vs Peptide Tracker

The clearest difference is monetization model: Peptide Tracker at freemium against Skill Tree's subscription. Peptide Tracker also leads on update cadence (weekly vs every 6 weeks) and ratings volume (22 vs 1). Skill Tree's advantage is iOS requirement (15.6 vs 18.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Skill Tree sells 2 in-app purchases, starting at $1.99 per month and Peptide Tracker sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Skill Tree against 4.9 for Peptide Tracker. That said, the two scores are not equally well evidenced: Peptide Tracker has 22 ratings behind it against 1, so its average is the more settled of the two.

Skill Tree ships an update every 6 weeks, Peptide Tracker weekly. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Skill Tree | Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skill-tree/id6758092779/reviews)** | [4.9 (22 ratings)](https://appshunter.io/ios/app/peptide-tracker-openpep/id6771703417/reviews) |
| Number of ratings | 1 | **22** |
| Positive reviews | — | 92.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Subscription | **Freemium** |
| Size | 58 MB | 20 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Byles](https://appshunter.io/developer/1767856053) | [Antonio Ferrara](https://appshunter.io/developer/1614412867) |

## What reviewers say

### Skill Tree

[App page](https://appshunter.io/ios/app/skill-tree/id6758092779)

Visualize and strategize your Brazilian Jiu-Jitsu game with a custom mind map. Organize skills, highlight areas for focused training, and attach videos to moves. Progress faster by clearly mapping out your martial arts journey.

**Highlights:** Customizable mind map visualization, Color-coded skill categorization, Highlighting skills for deliberate training, Video attachment for moves, Progress tracking for BJJ game

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $14.99 | per year |


### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-openpep/id6771703417)

Organize, schedule, and calculate your peptide routines with this private tracker. Log dosages, instantly calculate reconstitution mixtures, and set custom schedules to ensure you never miss a dose. Designed for offline use, it simplifies managing your protocols.

**Highlights:** Reconstitution helper for water ratios, Customizable scheduling, Daily dose tracking with notes, Private and secure offline data storage, Instant mixture calculations

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $7.99 | per 7 days |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Skill Tree free?

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

### Is Peptide Tracker free?

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

### Which has better reviews, Skill Tree or Peptide Tracker?

Skill Tree is rated higher. Skill Tree averages 5.0 out of 5 from 1 ratings, while Peptide Tracker averages 4.9 from 22 ratings.

### Do Skill Tree or Peptide Tracker have ads?

Neither Skill Tree nor Peptide Tracker shows ads.

### Which is updated more often, Skill Tree or Peptide Tracker?

Skill Tree ships an update every 6 weeks, and Peptide Tracker weekly. Most recently, Skill Tree was updated on September 24, 2026 and Peptide Tracker on October 8, 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.*