# FitB vs PepLog

The clearest difference is update cadence: PepLog at every 2 weeks against FitB's every 4 weeks. FitB's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FitB ships an update every 4 weeks, PepLog every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FitB | PepLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (25 ratings)](https://appshunter.io/ios/app/peplog-peptide-tracker/id6790928604/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 16 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [AppInstitute.co.uk](https://appshunter.io/developer/521679972) | [Moises Olivares](https://appshunter.io/developer/6794804081) |

## What reviewers say

### FitB

[App page](https://appshunter.io/ios/app/fitb/id6756924490)

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

**In-app purchases:** none


### PepLog

[App page](https://appshunter.io/ios/app/peplog-peptide-tracker/id6790928604)

This app helps users manage peptide protocols by providing a private, on-device logbook. Quickly record doses, track vial usage, monitor consistency with streaks and history, and log weight over time. It also includes a unit converter for precise measurements.

**Highlights:** Log doses in seconds, Track vial contents and remaining amounts, Monitor logging consistency and history, Chart weight over time with goals, Unit converter for syringe measurements, Private, on-device data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is FitB free?

FitB is free to download, with no in-app purchases.

### Is PepLog free?

PepLog is free to download, with no in-app purchases.

### Do FitB or PepLog have ads?

Neither FitB nor PepLog shows ads.

### Which is updated more often, FitB or PepLog?

FitB ships an update every 4 weeks, and PepLog every 2 weeks. Most recently, FitB was updated on October 9, 2026 and PepLog 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.*