# Molecular Shape vs CribBuddy

The clearest difference is ads: Molecular Shape at none against CribBuddy's shown. Molecular Shape also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (11.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Molecular Shape ships an update every 2 days, CribBuddy every 2 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Molecular Shape | CribBuddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 111 MB | 73 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Sun Plex Engineering And Software CO., LTD.](https://appshunter.io/developer/1116606116) | [MSR TECH LLP](https://appshunter.io/developer/1761560109) |

## What reviewers say

### Molecular Shape

[App page](https://appshunter.io/ios/app/molecular-shape/id1585601747)

**Features:** macOS Compatibility

**In-app purchases:** none


### CribBuddy

[App page](https://appshunter.io/ios/app/cribbuddy-study-helper/id6615079618)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Molecular Shape free?

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

### Is CribBuddy free?

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

### Do Molecular Shape or CribBuddy have ads?

CribBuddy shows ads; Molecular Shape does not.

### Which is updated more often, Molecular Shape or CribBuddy?

Molecular Shape ships an update every 2 days, and CribBuddy every 2 weeks. Most recently, Molecular Shape was updated on October 4, 2026 and CribBuddy on October 2, 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.*