# 蓝天系统 vs 电波浪

The clearest difference is in-app purchases: 蓝天系统 at none against 电波浪's 1. 蓝天系统 also leads on update cadence (daily vs monthly) and iOS requirement (9.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 电波浪 sells 1 one-off in-app purchase. 蓝天系统 asks for nothing beyond the download.

蓝天系统 ships an update daily, 电波浪 monthly. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 蓝天系统 | 电波浪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Size | 27 MB | 15 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Foshan Qianlong Digirization Technology Co., Ltd.](https://appshunter.io/developer/1610445576) | [超 马](https://appshunter.io/developer/1650081295) |

## What reviewers say

### 蓝天系统

[App page](https://appshunter.io/ios/app/id6443536631)

**Features:** macOS Compatibility

**In-app purchases:** none


### 电波浪

[App page](https://appshunter.io/ios/app/id6478075149)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版 | $0.99 | one-time |


## Frequently asked questions

### Is 蓝天系统 free?

蓝天系统 is free to download, with no in-app purchases.

### Is 电波浪 free?

电波浪 is free to download, with in-app purchases available.

### Do 蓝天系统 or 电波浪 have ads?

Neither 蓝天系统 nor 电波浪 shows ads.

### Which is updated more often, 蓝天系统 or 电波浪?

蓝天系统 ships an update daily, and 电波浪 monthly. Most recently, 蓝天系统 was updated on October 4, 2026 and 电波浪 on October 11, 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.*