# StudentSync vs Protokol

The clearest difference is in-app purchases: StudentSync at none against Protokol's 6. Protokol's advantage is update cadence (every 3 days vs every 2 weeks) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Protokol sells 6 in-app purchases, starting at $4.99 per month. StudentSync asks for nothing beyond the download.

StudentSync ships an update every 2 weeks, Protokol every 3 days. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | StudentSync | Protokol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (15 ratings)](https://appshunter.io/ios/app/protokol-peptides-simplified/id6762504580/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 48 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Muath Omarieh](https://appshunter.io/developer/1874834183) | [Lukas LeChau](https://appshunter.io/developer/1885439213) |

## What reviewers say

### StudentSync

[App page](https://appshunter.io/ios/app/studentsync/id6758756912)

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

**In-app purchases:** none


### Protokol

[App page](https://appshunter.io/ios/app/protokol-peptides-simplified/id6762504580)

This educational tool helps adults learn about research peptides with a guided onboarding, a library of peptide information, and tools for calculating doses and conversions. It also features a private journal for logging activities and wellness check-ins, and an AI assistant for research-related questions.

**Highlights:** Guided onboarding for personalized research summaries, Library of 19 research peptides with summaries, Dose and reconstitution math calculators, Syringe unit conversions, Private local-first journal for logging, AI research assistant

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protokol Premium | $4.99 | per month |
| Protokol Premium | $9.99 | per month |
| Protokol Premium | $39.99 | per year |
| Protokol Premium | $59.99 | per year |
| protokol_annual | $69.99 | per year |
| Protokol Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is StudentSync free?

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

### Is Protokol free?

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

### Do StudentSync or Protokol have ads?

Neither StudentSync nor Protokol shows ads.

### Which is updated more often, StudentSync or Protokol?

StudentSync ships an update every 2 weeks, and Protokol every 3 days. Most recently, StudentSync was updated on September 22, 2026 and Protokol on September 16, 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.*