# Peptides Calculator vs Peptide Injection Tracker

The clearest difference is review sentiment: Peptide Injection Tracker at 100% against Peptides Calculator's 55%. Peptide Injection Tracker also leads on rating (5.0 vs 4.3). Peptides Calculator's advantage is ratings volume (173 vs 1) and update cadence (every 5 days vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Peptides Calculator sells 11 in-app purchases, starting at $9.99 per month and Peptide Injection Tracker sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Injection Tracker holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Peptides Calculator has 173 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of Peptides Calculator's written reviews are positive against 100% of Peptide Injection Tracker's.

Peptides Calculator ships an update every 5 days, Peptide Injection Tracker every 2 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Peptides Calculator | Peptide Injection Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (173 ratings)](https://appshunter.io/ios/app/peptides-calculator/id6744431355/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/peptide-injection-tracker/id6775596357/reviews)** |
| Number of ratings | **173** | 1 |
| Positive reviews | 54.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Freemium | Freemium |
| Size | 77 MB | 29 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Sphnix, Inc](https://appshunter.io/developer/1796901749) | [Juan Ballon](https://appshunter.io/developer/1686619491) |

## What reviewers say

### Peptides Calculator

[App page](https://appshunter.io/ios/app/peptides-calculator/id6744431355)

This app helps users log, organize, and manage their peptide preparation process. It offers features for calculating reconstitution details, saving vial records, and accessing educational content. An optional subscription unlocks unlimited entries, enhanced tracking, and multi-device sync.

**Highlights:** Log and calculate reconstitution details, Save and organize vial records, Browse peptide reference library, Access educational videos and articles, Track weight over time, Multi-device sync (Pro)

**Features:** macOS Compatibility, Family Sharing, Apple Wallet, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $9.99 | per month |
| Family Monthly Premium Access | $14.99 | per month |
| Premium Plus | $14.99 | per month |
| Premium Plus Family (Montly) | $19.99 | per month |
| Pro Loyalty Yearly | $54.99 | per year |
| Yearly Premium Access | $99.99 | per year |
| Premium Plus Loyalty Yearly | $99.99 | per year |
| Family Yearly Premium Access | $149.99 | per year |
| Premium Plus (Yearly) | $149.99 | per year |
| Premium Plus — Family (Yearly) | $199.99 | per year |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to save vial info
- 👍 Nicely set up and laid out
- 💡 Streaks and last taken feature

**What reviewers complain about**

- 🐛 Lost access to previous peptide calculations
- 🐛 Unable to update streaks and last taken
- 🐛 Unable to record when a dose was taken

**Reported bugs**

- All vials disappeared after an update
- Unable to find how to update streaks and last taken

**Requested features**

- Add shot tracker to record when a dose was taken
- Allow editing of vial information and dosing
- Add option to set cycle length in weeks, not just days
- Allow changing dose for different weeks when titrating


### Peptide Injection Tracker

[App page](https://appshunter.io/ios/app/peptide-injection-tracker/id6775596357)

Log peptide injections privately on your device. Features include site rotation, reminders, and PDF export. Access a peptide library, concentration helper, and amino acid guide with quizzes.

**Highlights:** On-device logging, Visual body map for site rotation, Daily injection reminders, PDF history export, Peptide library reference, Concentration helper, Amino acid guide and quiz

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is Peptides Calculator free?

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

### Is Peptide Injection Tracker free?

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

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

Peptide Injection Tracker is rated higher. Peptides Calculator averages 4.3 out of 5 from 173 ratings, while Peptide Injection Tracker averages 5.0 from 1 ratings.

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

Neither Peptides Calculator nor Peptide Injection Tracker shows ads.

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

Peptides Calculator ships an update every 5 days, and Peptide Injection Tracker every 2 weeks. Most recently, Peptides Calculator was updated on October 20, 2026 and Peptide Injection Tracker on October 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.*