# BioBlocks vs Biochemistry Tutoring

The clearest difference is in-app purchases: BioBlocks at none against Biochemistry Tutoring's 1. BioBlocks also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Biochemistry Tutoring sells 1 one-off in-app purchase. BioBlocks asks for nothing beyond the download.

BioBlocks ships an update every 2 weeks, Biochemistry Tutoring fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BioBlocks | Biochemistry Tutoring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 133 MB | 42 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luciano Puzer](https://appshunter.io/developer/1579926538) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### BioBlocks

[App page](https://appshunter.io/ios/app/bioblocks/id6740268806)

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

**In-app purchases:** none


### Biochemistry Tutoring

[App page](https://appshunter.io/ios/app/biochemistry-tutoring/id6790245930)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Biochemistry Topics | $4.99 | one-time |


## Frequently asked questions

### Is BioBlocks free?

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

### Is Biochemistry Tutoring free?

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

### Do BioBlocks or Biochemistry Tutoring have ads?

Neither BioBlocks nor Biochemistry Tutoring shows ads.

### Which is updated more often, BioBlocks or Biochemistry Tutoring?

BioBlocks ships an update every 2 weeks, and Biochemistry Tutoring fortnightly. Most recently, BioBlocks was updated on October 30, 2026 and Biochemistry Tutoring 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.*