# Smart Peptide Tracker vs Bio Log Peptide Journal

The clearest difference is monetization model: Smart Peptide Tracker at freemium against Bio Log Peptide Journal's subscription. Smart Peptide Tracker also leads on ratings volume (166 vs 2) and update cadence (every 5 days vs every 2 weeks). Bio Log Peptide Journal's advantage is rating (5.0 vs 4.7). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Smart Peptide Tracker sells 11 one-off in-app purchases and Bio Log Peptide Journal 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 Peptide Journal holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Smart Peptide Tracker has 166 ratings behind it against 2, so its average is the more settled of the two.

Smart Peptide Tracker ships an update every 5 days, Bio Log Peptide Journal every 2 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Smart Peptide Tracker | Bio Log Peptide Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (166 ratings)](https://appshunter.io/ios/app/smart-peptide-tracker/id6758162412/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bio-log-peptide-journal/id6773158529/reviews)** |
| Number of ratings | **166** | 2 |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | **Freemium** | Subscription |
| Size | 114 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Sean Hussain](https://appshunter.io/developer/1871263008) | [alexander rieger](https://appshunter.io/developer/1839352038) |

## What reviewers say

### Smart Peptide Tracker

[App page](https://appshunter.io/ios/app/smart-peptide-tracker/id6758162412)

Manage supplement inventory, schedule routines, and track personal progress with a comprehensive research companion. Features include a reconstitution calculator, visual progress charts, and site rotation planning. Offers optional cloud sync and PIN encryption for privacy.

**Highlights:** Inventory management with reconstitution calculator, Customizable schedules and push notification reminders, One-tap logging and backfilling up to 14 days, Progress tracking with charts and photos, Stack analysis for compatibility and overlap, Visual site rotation planner, Cycle planner and cost tracker

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peak 3-day Trial | Free | one-time |
| Ai Question Pack (20 questions) | $4.99 | one-time |
| Partner Add-on | $9.99 | one-time |
| Extra Partner Add-on | $9.99 | one-time |
| Premium Lifetime - Discount | $14.99 | one-time |
| Partner Biomarkers Add-on | $14.99 | one-time |
| Biomarkers Add-on | $14.99 | one-time |
| Premium Lifetime | $19.99 | one-time |
| Partner Mode+ | $19.99 | one-time |
| Peak | $29.99 | one-time |
| Elite | $39.99 | one-time |


### Bio Log Peptide Journal

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

This app provides a private journal for tracking peptides, compounds, and related health data. It helps organize schedules, vial notes, labs, and progress with AI-powered insights. It is for personal tracking and informational purposes only.

**Highlights:** Peptide and compound tracking, Dose logs and history, Schedule reminders, Vial and inventory notes, Side effect tracking, Lab and biomarker logging, Progress photos and notes, AI summaries and insights

**In-app purchases (1)**

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


## Frequently asked questions

### Is Smart Peptide Tracker free?

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

### Is Bio Log Peptide Journal free?

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

### Which has better reviews, Smart Peptide Tracker or Bio Log Peptide Journal?

Bio Log Peptide Journal is rated higher. Smart Peptide Tracker averages 4.7 out of 5 from 166 ratings, while Bio Log Peptide Journal averages 5.0 from 2 ratings.

### Do Smart Peptide Tracker or Bio Log Peptide Journal have ads?

Neither Smart Peptide Tracker nor Bio Log Peptide Journal shows ads.

### Which is updated more often, Smart Peptide Tracker or Bio Log Peptide Journal?

Smart Peptide Tracker ships an update every 5 days, and Bio Log Peptide Journal every 2 weeks. Most recently, Smart Peptide Tracker was updated on October 25, 2026 and Bio Log Peptide Journal on October 18, 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.*