# Tri vs Computable Lab

The clearest difference is in-app purchases: Tri at none against Computable Lab's 4. Computable Lab's advantage is update cadence (weekly vs every 6 months). On price, ads, device support 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. Tri asks for nothing beyond the download.

Tri ships an update every 6 months, Computable Lab weekly. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Tri | Computable Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 47 MB | 99 MB |
| Requires iOS | 14.0 | **13** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [GOGov, Inc.](https://appshunter.io/developer/351223719) | [嘉欣 胡](https://appshunter.io/developer/1640395440) |

## What reviewers say

### Tri

[App page](https://appshunter.io/ios/app/tri-valley-wheels/id1581116259)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Tri free?

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

### Is Computable Lab free?

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

### Do Tri or Computable Lab have ads?

Neither Tri nor Computable Lab shows ads.

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

Tri ships an update every 6 months, and Computable Lab weekly. Most recently, Tri was updated on September 14, 2026 and Computable Lab on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*