# Peptide Calculator・Tracker vs Injectly

The clearest difference is review sentiment: Injectly at 89% against Peptide Calculator・Tracker's 46%. Injectly also leads on rating (4.9 vs 4.4) and in-app purchases (none vs 5). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Peptide Calculator・Tracker sells 5 in-app purchases, starting at $4.99 per month. Injectly asks for nothing beyond the download.

Injectly holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 553 and 392 respectively. Written reviews point the same way: 46% of Peptide Calculator・Tracker's written reviews are positive against 89% of Injectly's.

Peptide Calculator・Tracker ships an update every 4 months, Injectly every 2 weeks. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Peptide Calculator・Tracker | Injectly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (553 ratings)](https://appshunter.io/ios/app/peptide-calculatortracker/id6477393159/reviews) | **[4.9 (392 ratings)](https://appshunter.io/ios/app/injectly/id6745237189/reviews)** |
| Number of ratings | **553** | 392 |
| Positive reviews | 46.2% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 140 MB | 45 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Matthias Gattermeier](https://appshunter.io/developer/1811476841) |

## What reviewers say

### Peptide Calculator・Tracker

[App page](https://appshunter.io/ios/app/peptide-calculatortracker/id6477393159)

This app serves as a comprehensive peptide dosage calculator for researchers and enthusiasts. It offers features like saving calculations, tracking peptide usage, and a reconstitution guide. Users can also explore mixing ratios and export results to PDF.

**Highlights:** Syringe size options, Save and edit calculations, Peptide tracking and history, Reconstitution guide, Mixing ratio calculator, PDF export

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Calculator Monthly | $4.99 | per month |
| Pro Package | $4.99 | per year |
| Peptide Yearly Trial | $9.99 | per year |
| Peptide Calculator | $9.99 | per year |
| LifeTime Plan | $29.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Great for beginners
- 👍 Accurate calculations
- 👍 Helpful for researchers
- 👍 Saves calculations

**What reviewers complain about**

- 😞 Requires payment to use
- 😞 Misleading about being free
- 😞 Forced to review before use
- 😞 Confusing onboarding
- 😞 Poor color contrast

**Reported bugs**

- App won't open
- Desired dose option broken for MG
- Calculation between mcg and mg show different results
- Does not recognize 30 unit needle, only 100
- Draw result not shown after calculation

**Requested features**

- Add option for mcg or mg for desired dose
- Include an information library on various peptides
- Improve contrast for users with vision problems
- Clarify wording for 'vial contains X doses'
- Allow users to try the app before reviewing/paying


### Injectly

[App page](https://appshunter.io/ios/app/injectly/id6745237189)

This app helps you meticulously track injectable medications, offering reminders and insights into serum concentration levels. It supports custom protocols, medication blending, and provides a searchable history of all logged injections. The app is designed to be free, private, and user-friendly for managing various therapies.

**Highlights:** Log injections with dose, medication, date, and time, Save and log custom protocols, Set injection reminders, Calendar and list view of injections, Serum concentration insights dashboard, Blend protocols for multi-peptide vials, Medication glossary, Export logged doses as CSV

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

**In-app purchases:** none


## Frequently asked questions

### Is Peptide Calculator・Tracker free?

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

### Is Injectly free?

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

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

Injectly is rated higher. Peptide Calculator・Tracker averages 4.4 out of 5 from 553 ratings, while Injectly averages 4.9 from 392 ratings.

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

Peptide Calculator・Tracker shows ads; Injectly does not.

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

Peptide Calculator・Tracker ships an update every 4 months, and Injectly every 2 weeks. Most recently, Peptide Calculator・Tracker was updated on September 21, 2026 and Injectly on September 25, 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.*