# PepTide vs Keel

The clearest difference is in-app purchases: Keel at none against PepTide's 2. Keel also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. PepTide sells 2 in-app purchases, starting at $7.99 per month. Keel asks for nothing beyond the download.

PepTide ships an update every 5 weeks, Keel every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | PepTide | Keel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peptide-glp-1-peptide-tracker/id6777583983/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 44 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omniscient Labs LLC](https://appshunter.io/developer/1896547583) | [SKINSCAN AI LTD](https://appshunter.io/developer/6794461336) |

## What reviewers say

### PepTide

[App page](https://appshunter.io/ios/app/peptide-glp-1-peptide-tracker/id6777583983)

This app helps adults manage peptide and GLP-1 records by logging injections, sites, and health metrics. It offers advanced tools for trends, research, and clinician summaries, with a free tier and optional Pro subscription for enhanced features.

**Highlights:** Local injection and site logging, Food, hydration, and weight tracking, Injection reminders, Health metric logging, Apple Health sync, Clinician-prep summaries, Research tools

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepTide Pro Monthly | $7.99 | per month |
| PepTide Pro Annual | $49.99 | per year |


### Keel

[App page](https://appshunter.io/ios/app/keel-glp-1-injection-tracker/id6794461334)

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

**In-app purchases:** none


## Frequently asked questions

### Is PepTide free?

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

### Is Keel free?

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

### Do PepTide or Keel have ads?

Neither PepTide nor Keel shows ads.

### Which is updated more often, PepTide or Keel?

PepTide ships an update every 5 weeks, and Keel every 2 weeks. Most recently, PepTide was updated on October 31, 2026 and Keel 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.*