# Peptly vs BioTracker

The clearest difference is ratings volume: Peptly at 34 against BioTracker's 2. BioTracker's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Peptly sells 10 in-app purchases, starting at $0.99 per 7 days and BioTracker sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BioTracker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptly has 34 ratings behind it against 2, so its average is the more settled of the two.

Peptly ships an update weekly, BioTracker every 8 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peptly | BioTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (34 ratings)](https://appshunter.io/ios/app/peptly-peptide-log-and-tracker/id6764067504/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/biotracker-track-your-stack/id6790021651/reviews)** |
| Number of ratings | **34** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Freemium | Freemium |
| Size | 29 MB | 135 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Baris Bingor](https://appshunter.io/developer/1634613310) | [BioTracker LLC](https://appshunter.io/developer/6790021653) |

## What reviewers say

### Peptly

[App page](https://appshunter.io/ios/app/peptly-peptide-log-and-tracker/id6764067504)

This app helps you privately log peptide usage, track weight trends, and set reminders for injections. It offers features like injection site suggestions, vial notes, and estimated peptide levels based on your data. Designed for personal record-keeping, it keeps your health information secure on your device.

**Highlights:** Private peptide logging, Injection reminders, Weight tracking with trend analysis, Vial notes and management, Estimated peptide levels, Injection site suggestions

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptly Pro Weekly | $0.99 | per 7 days |
| Peptly Pro Weekly | $1.99 | per 7 days |
| Peptly Pro Weekly | $2.99 | per 7 days |
| Peptly Pro Weekly | $4.99 | per 7 days |
| Peptly Pro Yearly | $19.99 | per year |
| Peptly Pro Yearly | $29.99 | per year |
| Peptly Pro Yearly | $49.99 | per year |
| Peptly Pro Lifetime | $29.99 | one-time |
| Peptly Pro Lifetime | $49.99 | one-time |
| Peptly Pro Lifetime | $79.99 | one-time |


### BioTracker

[App page](https://appshunter.io/ios/app/biotracker-track-your-stack/id6790021651)

Organize your supplement and peptide routines with this app. It helps you stay on schedule, track doses, manage inventory, and discover new items based on your goals. Share your progress and explore community stacks.

**Highlights:** Organize supplement and peptide routines, Track doses and inventory, Set reminders and view schedules, Discover items based on goals, Explore community stacks, Log taken or missed doses

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BioTracker Pro Weekly | $1.99 | per 7 days |
| BioTracker Weekly | $1.99 | per 7 days |
| BioTracker Pro Annual | $39.99 | per year |
| BioTracker Annual | $39.99 | per year |


## Frequently asked questions

### Is Peptly free?

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

### Is BioTracker free?

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

### Which has better reviews, Peptly or BioTracker?

BioTracker is rated higher. Peptly averages 4.8 out of 5 from 34 ratings, while BioTracker averages 5.0 from 2 ratings.

### Do Peptly or BioTracker have ads?

Neither Peptly nor BioTracker shows ads.

### Which is updated more often, Peptly or BioTracker?

Peptly ships an update weekly, and BioTracker every 8 days. Most recently, Peptly was updated on November 7, 2026 and BioTracker on October 31, 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.*