# Computable Lab vs CenTelum

The clearest difference is in-app purchases: CenTelum at none against Computable Lab's 4. Computable Lab's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Computable Lab sells 4 in-app purchases, starting at $0.99 per month. CenTelum asks for nothing beyond the download.

Computable Lab ships an update weekly, CenTelum every 4 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Computable Lab | CenTelum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 99 MB | 4 MB |
| Requires iOS | **13** | 14.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [嘉欣 胡](https://appshunter.io/developer/1640395440) | [Cenango Financial, LLC](https://appshunter.io/developer/626142722) |

## What reviewers say

### Computable Lab

[App page](https://appshunter.io/ios/app/computable-lab/id1641088328)

This app offers a symbolic language for mathematical operations and project management. It includes features like breakpoint debugging, a tabbed editor, and a library of example code. Users can share projects and run code on mobile devices.

**Highlights:** Symbolic language for mathematical operations, Multi-file project management, Breakpoint debugging, Tabbed editor, Rich example code library, Code import/export and sharing

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly subscription | $0.99 | per month |
| quarterly subscription | $1.99 | per 3 months |
| annual subscription | $4.99 | per year |
| 永久版 | $9.99 | one-time |


### CenTelum

[App page](https://appshunter.io/ios/app/centelum/id6446116286)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Computable Lab free?

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

### Is CenTelum free?

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

### Do Computable Lab or CenTelum have ads?

Neither Computable Lab nor CenTelum shows ads.

### Which is updated more often, Computable Lab or CenTelum?

Computable Lab ships an update weekly, and CenTelum every 4 days. Most recently, Computable Lab was updated on October 6, 2026 and CenTelum on October 3, 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.*