# PeptideLog vs Protodose

The clearest difference is update cadence: PeptideLog at every 6 weeks against Protodose's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PeptideLog sells 2 in-app purchases, starting at $8.99 per month and Protodose sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PeptideLog ships an update every 6 weeks, Protodose every 3 months. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PeptideLog | Protodose |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 4 MB | 30 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Abdullah](https://appshunter.io/developer/1889020113) | [Pinak Faldu](https://appshunter.io/developer/1850148588) |

## What reviewers say

### PeptideLog

[App page](https://appshunter.io/ios/app/peptidelog-peptide-tracker/id6762063331)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $8.99 | per month |
| Yearly Pro | $29.99 | per year |


### Protodose

[App page](https://appshunter.io/ios/app/protodose-peptide-tracker/id6775407351)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full App Access | $4.99 | per month |
| Full App Access | $39.99 | per year |


## Frequently asked questions

### Is PeptideLog free?

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

### Is Protodose free?

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

### Do PeptideLog or Protodose have ads?

Neither PeptideLog nor Protodose shows ads.

### Which is updated more often, PeptideLog or Protodose?

PeptideLog ships an update every 6 weeks, and Protodose every 3 months. Most recently, PeptideLog was updated on September 8, 2026 and Protodose on September 14, 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.*