# Peptide Calculator vs Peptide Tracker

The clearest difference is ads: Peptide Calculator at none against Peptide Tracker's shown. Peptide Calculator also leads on review sentiment (79% vs 50%) and ratings volume (437 vs 126). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Peptide Calculator sells 11 in-app purchases, starting at $0.99 per 7 days and Peptide Tracker sells 12 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Peptide Calculator against 4.8 for Peptide Tracker. Both are backed by a comparable volume of ratings — 437 and 126 respectively. Written reviews are what separate them: 79% of Peptide Calculator's written reviews are positive against 50% of Peptide Tracker's.

Peptide Calculator ships an update every 2 weeks, Peptide Tracker weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Peptide Calculator | Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (437 ratings)](https://appshunter.io/ios/app/peptide-calculator-pepflow/id6740525224/reviews)** | [4.8 (126 ratings)](https://appshunter.io/ios/app/peptide-tracker-pepsync/id6754186869/reviews) |
| Number of ratings | **437** | 126 |
| Positive reviews | **78.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 133 MB | 41 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [keinois OU](https://appshunter.io/developer/1597616328) | [Thomas Strathern](https://appshunter.io/developer/1785242207) |

## What reviewers say

### Peptide Calculator

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

Calculate peptide dosages and reconstitution accurately and quickly. Track your injections with timely reminders and live activities. Save custom formulas and sync across devices for seamless management.

**Highlights:** Peptide dosage calculation, Reconstitution guidance, Injection time tracking, Custom formula saving, Widget for daily doses, Reminders and Live Activities, iCloud sync across devices

**Features:** Family Sharing

**In-app purchases (11)**

| 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 |
| Peptide 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 |
| Peptide PRO (Annual) | $14.99 | per year |
| Peptide PRO (Annual) | $19.99 | per year |
| PepFlow PRO (Annual) | $29.99 | per year |
| Peptide PRO (Annual) | $44.99 | per year |


### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-pepsync/id6754186869)

This app simplifies peptide use by calculating accurate dosages, tracking injections, and setting reminders for consistency. Manage multiple peptides and review your history with a clear and reliable interface.

**Highlights:** Smart peptide calculator for accurate dosing, Log and track peptide injections, Set reminders for consistency, Review injection and dosage history, Manage multiple peptides, Designed for clarity and reliability

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Weekly | $7.99 | per 7 days |
| PepSync Weekly | $7.99 | per 7 days |
| Premium Annual - Deal | $39.99 | per year |
| PepSync Yearly - 3 day trial | $59.99 | per year |
| PepSync Yearly - 7 day trial | $59.99 | per year |
| Premium Yearly | $59.99 | per year |
| Premium Annual | $59.99 | per year |
| Premium Annual - 3 Day Trial | $59.99 | per year |
| Premium Annual - 30 Day Trial | $59.99 | per year |
| Premium Lifetime | $39.99 | one-time |
| PepSync Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Peptide Calculator free?

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

### Is Peptide Tracker free?

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

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

Peptide Calculator is rated higher. Peptide Calculator averages 4.8 out of 5 from 437 ratings, while Peptide Tracker averages 4.8 from 126 ratings.

### Do Peptide Calculator or Peptide Tracker have ads?

Peptide Tracker shows ads; Peptide Calculator does not.

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

Peptide Calculator ships an update every 2 weeks, and Peptide Tracker weekly. Most recently, Peptide Calculator was updated on October 24, 2026 and Peptide Tracker on October 24, 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.*