# 视频格式转换工厂 vs WillStone

The clearest difference is ads: WillStone at none against 视频格式转换工厂's shown. WillStone also leads on ratings volume (211 vs 46). 视频格式转换工厂's advantage is update cadence (daily vs every 6 days) and rating (5.0 vs 4.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 视频格式转换工厂 sells 1 one-off in-app purchase and WillStone sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

视频格式转换工厂 holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 46 and 211 respectively. Written reviews point the same way: 100% of 视频格式转换工厂's written reviews are positive against 75% of WillStone's.

视频格式转换工厂 ships an update daily, WillStone every 6 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | 视频格式转换工厂 | WillStone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (46 ratings)](https://appshunter.io/ios/app/id6444910814/reviews)** | [4.6 (211 ratings)](https://appshunter.io/ios/app/willstone-balance-screen-time/id6479392365/reviews) |
| Number of ratings | 46 | **211** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 6 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 37 MB | 195 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [锡和 李](https://appshunter.io/developer/1642963469) | [宁波群鸟科技有限公司](https://appshunter.io/developer/1714607087) |

## What reviewers say

### 视频格式转换工厂

[App page](https://appshunter.io/ios/app/id6444910814)

This app is a versatile video and audio converter and file manager. It supports conversion between numerous common formats, allows for audio extraction from videos, and offers audio editing features like trimming and merging.

**Highlights:** Video format conversion, Extract audio from video, Video mute function, Audio format conversion, Audio trimming, Audio merging

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁PRO | $3.99 | one-time |


### WillStone

[App page](https://appshunter.io/ios/app/willstone-balance-screen-time/id6479392365)

This app helps you reduce phone usage by exchanging entertainment time for focused activities. Earn extra screen time by engaging with learning apps, exercising, or meditating, and build healthy habits progressively.

**Highlights:** Time exchange system for entertainment apps, Earn screen time through focused activities, Track and reward learning app usage, Focus Mode for uninterrupted study, Rewards for early bedtime and exercise, Progressive reduction of phone usage

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WillStone Pro For A Month | $2.99 | per month |
| WillStone Pro For A Quater | $7.99 | per 3 months |
| WillStone Pro For A Year | $14.99 | per year |
| WillStone Discount Pro | $17.99 | one-time |
| WillStone Discount Pro | $19.99 | one-time |
| WillStone Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is 视频格式转换工厂 free?

视频格式转换工厂 is free to download, with in-app purchases available.

### Is WillStone free?

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

### Which has better reviews, 视频格式转换工厂 or WillStone?

视频格式转换工厂 is rated higher. 视频格式转换工厂 averages 5.0 out of 5 from 46 ratings, while WillStone averages 4.6 from 211 ratings.

### Do 视频格式转换工厂 or WillStone have ads?

视频格式转换工厂 shows ads; WillStone does not.

### Which is updated more often, 视频格式转换工厂 or WillStone?

视频格式转换工厂 ships an update daily, and WillStone every 6 days. Most recently, 视频格式转换工厂 was updated on October 30, 2026 and WillStone on October 30, 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.*