# 决定转盘 vs 海拔测量仪

The clearest difference is in-app purchases: 海拔测量仪 at none against 决定转盘's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 决定转盘 sells 2 in-app purchases, starting at $0.49 per month. 海拔测量仪 asks for nothing beyond the download.

## The numbers

| Metric | 决定转盘 | 海拔测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 83 MB | 71 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [长沙年余信息科技有限公司](https://appshunter.io/developer/1469330214) | [圆 徐](https://appshunter.io/developer/1726885749) |

## What reviewers say

### 决定转盘

[App page](https://appshunter.io/ios/app/id1598469741)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $0.49 | per month |
| Permanent VIP | $1.99 | one-time |


### 海拔测量仪

[App page](https://appshunter.io/ios/app/id6476578243)

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

**In-app purchases:** none


## Frequently asked questions

### Is 决定转盘 free?

决定转盘 is free to download, with in-app purchases available.

### Is 海拔测量仪 free?

海拔测量仪 is free to download, with no in-app purchases.

### Do 决定转盘 or 海拔测量仪 have ads?

Neither 决定转盘 nor 海拔测量仪 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.*