# FTE Calculator vs Protokit

The clearest difference is in-app purchases: FTE Calculator at none against Protokit's 1. FTE Calculator also leads on iOS requirement (13.0 vs 15.1). Protokit's advantage is update cadence (every 6 days vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Protokit sells 1 in-app purchase, starting at $3.99 per month. FTE Calculator asks for nothing beyond the download.

FTE Calculator ships an update every 11 months, Protokit every 6 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FTE Calculator | Protokit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protokit-peptide-tracker/id6781553885/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 43 MB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Niklas Almstedt](https://appshunter.io/developer/6781553887) |

## What reviewers say

### FTE Calculator

[App page](https://appshunter.io/ios/app/fte-calculator/id1619682162)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protokit

[App page](https://appshunter.io/ios/app/protokit-peptide-tracker/id6781553885)

Log and track peptide cycles, doses, and vials with a powerful, clean interface. Features include a reconstitution calculator, smart scheduling with reminders, and detailed statistics on adherence and progress. Integrates with BodyMetrics for correlating lab results with your protocol.

**Highlights:** Track peptides, blends, pre-mixed vials, and tablets, Reconstitution calculator for accurate dosing, Smart scheduling with custom reminders, Detailed statistics on adherence and progress, Injection site logging with rotation reminders, BodyMetrics integration for lab data correlation, Customizable themes and views

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pep Tracker Pro | $3.99 | per month |


## Frequently asked questions

### Is FTE Calculator free?

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

### Is Protokit free?

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

### Do FTE Calculator or Protokit have ads?

Neither FTE Calculator nor Protokit shows ads.

### Which is updated more often, FTE Calculator or Protokit?

FTE Calculator ships an update every 11 months, and Protokit every 6 days. Most recently, FTE Calculator was updated on October 27, 2026 and Protokit on October 31, 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.*