# Dumb Monkey vs PDB Viewer

The clearest difference is update cadence: PDB Viewer at every 3 weeks against Dumb Monkey's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dumb Monkey sells 1 one-off in-app purchase and PDB Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dumb Monkey ships an update every 4 months, PDB Viewer every 3 weeks. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Dumb Monkey | PDB Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 61 MB | 2 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aamir Qutub](https://appshunter.io/developer/850204052) | [Qvyshift LLC](https://appshunter.io/developer/1536442361) |

## What reviewers say

### Dumb Monkey

[App page](https://appshunter.io/ios/app/dumb-monkey/id6747228301)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI for Business Professionals | $199.99 | one-time |


### PDB Viewer

[App page](https://appshunter.io/ios/app/pdb-viewer-3d-molecules/id6777468488)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDB Viewer Pro | $9.99 | one-time |


## Frequently asked questions

### Is Dumb Monkey free?

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

### Is PDB Viewer free?

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

### Do Dumb Monkey or PDB Viewer have ads?

Neither Dumb Monkey nor PDB Viewer shows ads.

### Which is updated more often, Dumb Monkey or PDB Viewer?

Dumb Monkey ships an update every 4 months, and PDB Viewer every 3 weeks. Most recently, Dumb Monkey was updated on September 26, 2026 and PDB Viewer on September 29, 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.*