# 驱蚊器 vs Prescribed Exercise

The clearest difference is price: Prescribed Exercise at Free against 驱蚊器's $3.99. Prescribed Exercise also leads on ads (none vs shown). 驱蚊器's advantage is iOS requirement (9.0 vs 15.6). On update cadence, in-app purchases and device support there is nothing between them.

Prescribed Exercise is free to download; 驱蚊器 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

驱蚊器 ships an update every 3 weeks, Prescribed Exercise every 2 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 驱蚊器 | Prescribed Exercise |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.5 (45 ratings)](https://appshunter.io/ios/app/id1011014154/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 23 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [敬超 薛](https://appshunter.io/developer/933224458) | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) |

## What reviewers say

### 驱蚊器

[App page](https://appshunter.io/ios/app/id1011014154)

This app offers multiple modes to repel mosquitoes using ultrasonic technology. It provides options for indoor relaxation, powerful outdoor protection, and silent, pollution-free sleep. Enhance your device with this mosquito repellent functionality for peace of mind.

**Highlights:** Indoor mode for relaxation, Ultrasonic mosquito repellent, Silent sleep mode, Outdoor protection mode, High-tech mosquito control

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

**In-app purchases:** none


### Prescribed Exercise

[App page](https://appshunter.io/ios/app/prescribed-exercise/id6739616532)

**In-app purchases:** none


## Frequently asked questions

### Is 驱蚊器 free?

驱蚊器 costs $3.99, with no in-app purchases.

### Is Prescribed Exercise free?

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

### Do 驱蚊器 or Prescribed Exercise have ads?

驱蚊器 shows ads; Prescribed Exercise does not.

### Which is updated more often, 驱蚊器 or Prescribed Exercise?

驱蚊器 ships an update every 3 weeks, and Prescribed Exercise every 2 weeks. Most recently, 驱蚊器 was updated on October 29, 2026 and Prescribed Exercise on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*