# Peptide Tracker vs PeptideOS+

The clearest difference is update cadence: PeptideOS+ at every 4 days against Peptide Tracker's fortnightly. On price, ads, in-app purchases and device support 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 PeptideOS+ sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Tracker ships an update fortnightly, PeptideOS+ every 4 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | PeptideOS+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (443 ratings)](https://appshunter.io/ios/app/peptide-tracker-pepflow/id6740525224/reviews)** | — |
| Number of ratings | **443** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 181 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [keinois OU](https://appshunter.io/developer/1597616328) | [ZACHARY CANCIANO GOLD](https://appshunter.io/developer/1875956705) |

## 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 |


### PeptideOS+

[App page](https://appshunter.io/ios/app/peptideos-plus/id6762200959)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $69.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is PeptideOS+ free?

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

### Do Peptide Tracker or PeptideOS+ have ads?

Neither Peptide Tracker nor PeptideOS+ shows ads.

### Which is updated more often, Peptide Tracker or PeptideOS+?

Peptide Tracker ships an update fortnightly, and PeptideOS+ every 4 days. Most recently, Peptide Tracker was updated on November 8, 2026 and PeptideOS+ on November 5, 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.*