# CML小助手 vs Longitudinax Pro

The clearest difference is iOS requirement: CML小助手 at 11.0 against Longitudinax Pro's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CML小助手 ships an update every 2 months, Longitudinax Pro every 3 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CML小助手 | Longitudinax Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 317 MB | 30 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [The University of Hong Kong](https://appshunter.io/developer/451384643) | [Infinite 6 Limited](https://appshunter.io/developer/1011647733) |

## What reviewers say

### CML小助手

[App page](https://appshunter.io/ios/app/cml/id1533391921)

**Features:** macOS Compatibility

**In-app purchases:** none


### Longitudinax Pro

[App page](https://appshunter.io/ios/app/longitudinax-pro/id1590940085)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CML小助手 free?

CML小助手 is free to download, with no in-app purchases.

### Is Longitudinax Pro free?

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

### Do CML小助手 or Longitudinax Pro have ads?

Neither CML小助手 nor Longitudinax Pro shows ads.

### Which is updated more often, CML小助手 or Longitudinax Pro?

CML小助手 ships an update every 2 months, and Longitudinax Pro every 3 months. Most recently, CML小助手 was updated on October 25, 2026 and Longitudinax Pro on October 27, 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.*