# Python Dimensions vs Sitor

The clearest difference is in-app purchases: Python Dimensions at none against Sitor's 10. Sitor's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sitor sells 10 in-app purchases, starting at $11.99 per month. Python Dimensions asks for nothing beyond the download.

Python Dimensions ships an update monthly, Sitor every 2 days. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Python Dimensions | Sitor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 111 MB | 41 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [chengche lee](https://appshunter.io/developer/1862790313) | [Hangzhou Sitor Cloud Technology Co., Ltd.](https://appshunter.io/developer/6772942927) |

## What reviewers say

### Python Dimensions

[App page](https://appshunter.io/ios/app/python-dimensions-quiz-bank/id6759192089)

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

**In-app purchases:** none


### Sitor

[App page](https://appshunter.io/ios/app/sitor/id6772958025)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $11.99 | per month |
| Pro Monthly | $23.99 | per month |
| Starter Annual | $93.99 | per year |
| Pro Annual | $187.99 | per year |
| 50 Credits | $3.99 | one-time |
| 200 Credits | $12.99 | one-time |
| 500 Credits | $27.99 | one-time |
| 1000 Credits | $49.99 | one-time |
| 3000 Credits | $129.99 | one-time |
| 5000 Credits | $199.99 | one-time |


## Frequently asked questions

### Is Python Dimensions free?

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

### Is Sitor free?

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

### Do Python Dimensions or Sitor have ads?

Neither Python Dimensions nor Sitor shows ads.

### Which is updated more often, Python Dimensions or Sitor?

Python Dimensions ships an update monthly, and Sitor every 2 days. Most recently, Python Dimensions was updated on September 8, 2026 and Sitor on September 13, 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.*