# F4L vs Bio Log Peptide Journal

The clearest difference is monetization model: F4L at free with in-app purchases against Bio Log Peptide Journal's subscription. F4L also leads on device support (3 vs 1) and ratings volume (6 vs 2). Bio Log Peptide Journal's advantage is ads (none vs shown). On price, rating and in-app purchases there is nothing between them.

Both are free to download. F4L sells 1 in-app purchase, starting at $15.00 per month 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.

On the App Store both sit at effectively the same score — 5.0 for F4L against 5.0 for Bio Log Peptide Journal. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

## The numbers

| Metric | F4L | Bio Log Peptide Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/f4l/id6499107113/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/bio-log-peptide-journal/id6773158529/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 61 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [BAYLOR CONDE](https://appshunter.io/developer/1742453548) | [alexander rieger](https://appshunter.io/developer/1839352038) |

## What reviewers say

### F4L

[App page](https://appshunter.io/ios/app/f4l/id6499107113)

Access fitness programs and track your progress with this health and fitness application. Features include offline synchronization and personalized content. Manage your subscription easily through your account settings.

**Highlights:** Progress tracking, Offline sync, Subscription access, Personalized content, Account management

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fit 4 Life \| All Access | $15.00 | per month |


### 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 F4L free?

F4L 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, F4L or Bio Log Peptide Journal?

F4L and Bio Log Peptide Journal are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do F4L or Bio Log Peptide Journal have ads?

F4L shows ads; Bio Log Peptide Journal does not.

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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.*