# 测距助手 vs Light Journey

The clearest difference is in-app purchases: 测距助手 at none against Light Journey's 3. 测距助手 also leads on iOS requirement (11.0 vs 15.0). Light Journey's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Light Journey sells 3 in-app purchases, starting at $2.99 per month. 测距助手 asks for nothing beyond the download.

测距助手 ships an update every 7 months, Light Journey every 3 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 测距助手 | Light Journey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 153 MB | 32 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [沫 王](https://appshunter.io/developer/1609909724) | [广西炜辰信息科技有限责任公司](https://appshunter.io/developer/1803781304) |

## What reviewers say

### 测距助手

[App page](https://appshunter.io/ios/app/id1609909722)

**Features:** macOS Compatibility

**In-app purchases:** none


### Light Journey

[App page](https://appshunter.io/ios/app/light-journey-weight-tracker/id6749657459)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Yearly Plan | $9.99 | per year |
| Lifetime Plan | $14.99 | one-time |


## Frequently asked questions

### Is 测距助手 free?

测距助手 is free to download, with no in-app purchases.

### Is Light Journey free?

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

### Do 测距助手 or Light Journey have ads?

测距助手 shows ads; Light Journey does not.

### Which is updated more often, 测距助手 or Light Journey?

测距助手 ships an update every 7 months, and Light Journey every 3 weeks. Most recently, 测距助手 was updated on November 3, 2026 and Light Journey on November 8, 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.*