# 定位修改 vs DotTrail

The clearest difference is in-app purchases: DotTrail at none against 定位修改's 1. DotTrail also leads on update cadence (daily vs every 3 weeks). 定位修改's advantage is ads (none vs shown) and iOS requirement (15 vs 17.0). On price and device support there is nothing between them.

Both are free to download. 定位修改 sells 1 one-off in-app purchase. DotTrail asks for nothing beyond the download.

定位修改 ships an update every 3 weeks, DotTrail daily. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 定位修改 | DotTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 5 MB | 7 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jacoub Rakhwell](https://appshunter.io/developer/1896728025) | [SHU-CHIH LIN](https://appshunter.io/developer/6809671847) |

## What reviewers say

### 定位修改

[App page](https://appshunter.io/ios/app/and/id6770255869)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $3.99 | one-time |


### DotTrail

[App page](https://appshunter.io/ios/app/dottrail/id6809820649)

**In-app purchases:** none


## Frequently asked questions

### Is 定位修改 free?

定位修改 is free to download, with in-app purchases available.

### Is DotTrail free?

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

### Do 定位修改 or DotTrail have ads?

DotTrail shows ads; 定位修改 does not.

### Which is updated more often, 定位修改 or DotTrail?

定位修改 ships an update every 3 weeks, and DotTrail daily. Most recently, 定位修改 was updated on October 7, 2026 and DotTrail on October 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.*