# Spark Market vs Protokol

The clearest difference is in-app purchases: Spark Market at none against Protokol's 6. Spark Market also leads on ads (none vs shown). Protokol's advantage is update cadence (every 4 days vs monthly). On price, device support and iOS requirement there is nothing between them.

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

Spark Market ships an update monthly, Protokol every 4 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Spark Market | Protokol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (17 ratings)](https://appshunter.io/ios/app/protokol-peptides-simplified/id6762504580/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 391 MB | 51 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Spark Guru, LLC](https://appshunter.io/developer/1751441770) | [Lukas LeChau](https://appshunter.io/developer/1885439213) |

## What reviewers say

### Spark Market

[App page](https://appshunter.io/ios/app/spark-market/id6736521072)

**Features:** macOS Compatibility, Apple Wallet

**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 Spark Market free?

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

### Is Protokol free?

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

### Do Spark Market or Protokol have ads?

Protokol shows ads; Spark Market does not.

### Which is updated more often, Spark Market or Protokol?

Spark Market ships an update monthly, and Protokol every 4 days. Most recently, Spark Market was updated on November 8, 2026 and Protokol on November 5, 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.*