# 糕手塔防 vs 回线：BACKTRACE

The clearest difference is device support: 回线：BACKTRACE at 3 against 糕手塔防's 1. 回线：BACKTRACE also leads on iOS requirement (15.0 vs 17.6). On price, 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.

## The numbers

| Metric | 糕手塔防 | 回线：BACKTRACE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 101 MB | 4 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [乐悠 李](https://appshunter.io/developer/1845360571) | [云扬 智](https://appshunter.io/developer/1891216245) |

## What reviewers say

### 糕手塔防

[App page](https://appshunter.io/ios/app/id6761122313)

**Features:** macOS Compatibility

**In-app purchases:** none


### 回线：BACKTRACE

[App page](https://appshunter.io/ios/app/backtrace/id6797782656)

**In-app purchases:** none


## Frequently asked questions

### Is 糕手塔防 free?

糕手塔防 is free to download, with no in-app purchases.

### Is 回线：BACKTRACE free?

回线：BACKTRACE is free to download, with no in-app purchases.

### Do 糕手塔防 or 回线：BACKTRACE have ads?

Neither 糕手塔防 nor 回线：BACKTRACE shows ads.

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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.*