# Peptide & TRT Tracker vs Bio Log

The clearest difference is ratings volume: Peptide & TRT Tracker at 177 against Bio Log's 2. Peptide & TRT Tracker also leads on update cadence (weekly vs every 3 weeks) and device support (3 vs 1). Bio Log's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Peptide & TRT Tracker sells 7 in-app purchases, starting at $4.99 per month and Bio Log sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Bio Log holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptide & TRT Tracker has 177 ratings behind it against 2, so its average is the more settled of the two.

Peptide & TRT Tracker ships an update weekly, Bio Log every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peptide & TRT Tracker | Bio Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (177 ratings)](https://appshunter.io/ios/app/peptide-and-trt-tracker-optipin/id6745631936/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bio-log-peptide-tracker/id6773158529/reviews)** |
| Number of ratings | **177** | 2 |
| Positive reviews | 87.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Freemium | Freemium |
| Size | 105 MB | 5 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Vitaloom](https://appshunter.io/developer/1796722152) | [alexander rieger](https://appshunter.io/developer/1839352038) |

## What reviewers say

### Peptide & TRT Tracker

[App page](https://appshunter.io/ios/app/peptide-and-trt-tracker-optipin/id6745631936)

This app helps you track TRT, peptides, and GLP-1 therapies by logging doses, bloodwork, and symptoms. It offers smart scheduling, discreet reminders, and injection site rotation. Manage multiple compounds, track bloodwork, and estimate hormone levels in one private place.

**Highlights:** Track TRT, peptides, and GLP-1, Log doses, bloodwork, and symptoms, Smart scheduling and reminders, Injection site rotation map, Track 200+ compounds, Bloodwork charting and import, Estimated hormone levels

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |
| Yearly subscription | $19.99 | per year |
| Yearly subscription | $34.99 | per year |
| Annual Sub | $39.99 | per year |
| Annual Sub | $39.99 | per year |
| OptiInsight 1 Credit | $1.19 | one-time |
| OptiInsight 5 Credits | $4.99 | one-time |


### Bio Log

[App page](https://appshunter.io/ios/app/bio-log-peptide-tracker/id6773158529)

This app helps you meticulously track peptide doses, vial details, and personal notes in a centralized journal. It offers daily views, logging capabilities, and history search, with optional AI assistance for summaries and organization. Records are stored locally for your control.

**Highlights:** Schedule and dose tracking, Vial inventory management, Injection site mapping, Journal search and filtering, AI-powered note organization, Local data storage, Data export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bio Log Membership | $3.99 | per month |


## Frequently asked questions

### Is Peptide & TRT Tracker free?

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

### Is Bio Log free?

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

### Which has better reviews, Peptide & TRT Tracker or Bio Log?

Bio Log is rated higher. Peptide & TRT Tracker averages 4.8 out of 5 from 177 ratings, while Bio Log averages 5.0 from 2 ratings.

### Do Peptide & TRT Tracker or Bio Log have ads?

Neither Peptide & TRT Tracker nor Bio Log shows ads.

### Which is updated more often, Peptide & TRT Tracker or Bio Log?

Peptide & TRT Tracker ships an update weekly, and Bio Log every 3 weeks. Most recently, Peptide & TRT Tracker was updated on November 5, 2026 and Bio Log 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.*