# Peptide Tracker vs PeptidesAI

The clearest difference is ratings volume: Peptide Tracker at 443 against PeptidesAI's 3. PeptidesAI's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Peptide Tracker sells 7 in-app purchases, starting at $0.99 per 7 days and PeptidesAI sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PeptidesAI holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptide Tracker has 443 ratings behind it against 3, so its average is the more settled of the two.

Peptide Tracker ships an update fortnightly, PeptidesAI every 9 days. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | PeptidesAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (443 ratings)](https://appshunter.io/ios/app/peptide-tracker-pepflow/id6740525224/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peptidesai-peptide-tracker/id6763221310/reviews)** |
| Number of ratings | **443** | 3 |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Freemium | Freemium |
| Size | 181 MB | 18 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [keinois OU](https://appshunter.io/developer/1597616328) | [James Vu](https://appshunter.io/developer/1863154749) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-pepflow/id6740525224)

Log peptide injections, manage flexible schedules, and receive timely reminders. This app helps you keep track of your treatment protocols, preparation details, and dose history, ensuring you stay on track with your health regimen. View upcoming and past doses in a calendar and sync data across devices.

**Highlights:** Log peptide injections and other medication types, Manage flexible schedules and reminders, Save preparation details for peptides, Review dose history and upcoming doses, Calendar view of doses, Widgets and Live Activities for schedule checks, iCloud sync across iPhone and iPad

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepFlow PRO (Weekly) | $0.99 | per 7 days |
| PepFlow PRO (Monthly) | $2.99 | per month |
| PepFlow PRO (Weekly) | $2.99 | per 7 days |
| PepFlow PRO (Weekly) | $3.99 | per 7 days |
| PepFlow PRO (Annual) | $8.99 | per year |
| PepFlow PRO (Monthly) | $9.99 | per month |
| PepFlow PRO (Annual) | $29.99 | per year |


### PeptidesAI

[App page](https://appshunter.io/ios/app/peptidesai-peptide-tracker/id6763221310)

Track your peptide routines with logging, vial management, and injection site rotation. Access an encyclopedia of compounds with real sources and an AI assistant for general questions. Sync weight data with Apple Health and log progress photos.

**Highlights:** Log peptide doses with notes and history, Track vial volume and expiration, Customizable dose reminders, Injection site rotation map, Weight tracking with Apple Health sync, Compound encyclopedia with sources, AI assistant for general peptide questions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $49.99 | per year |
| Lifetime Premium | $79.99 | one-time |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is PeptidesAI free?

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

### Which has better reviews, Peptide Tracker or PeptidesAI?

PeptidesAI is rated higher. Peptide Tracker averages 4.8 out of 5 from 443 ratings, while PeptidesAI averages 5.0 from 3 ratings.

### Do Peptide Tracker or PeptidesAI have ads?

Neither Peptide Tracker nor PeptidesAI shows ads.

### Which is updated more often, Peptide Tracker or PeptidesAI?

Peptide Tracker ships an update fortnightly, and PeptidesAI every 9 days. Most recently, Peptide Tracker was updated on November 8, 2026 and PeptidesAI on November 7, 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.*