格式转换助手 vs 天宇铃声
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
格式转换助手
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全能格式转换工具，能够对视频、图片、文本、音频进行格式转换！ 图片格式转换：支持jpg、jpeg、png、bmp、tif、webp、jfif多种格式转换； 视频格式转换：支持emv、mov、avi、flv、mp4等多种格式相互转换； 文档转换：支持html、word、txt、pdf等多种格式相互转换； 音频转换：支持mp3、m4a、car等多种格式转换。
天宇铃声
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免费苹果铃声，无需电脑轻松设置个性来电铃声。
Screenshots
Verdict
The clearest difference is in-app purchases: 天宇铃声 at none against 格式转换助手's 3. 天宇铃声 also leads on update cadence (fortnightly vs every 5 months). 格式转换助手's advantage is ads (none vs shown) and device support (4 vs 2). On price and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 格式转换助手 sells 3 one-off in-app purchases. 天宇铃声 asks for nothing beyond the download.
格式转换助手 ships an update every 5 months, 天宇铃声 fortnightly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | 格式转换助手 | 天宇铃声 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 32 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | QQY.LTD | 广西要牛网络科技有限公司 |
In-app purchases
格式转换助手
- 月卡$0.99
- 季卡$2.99
- 年卡$9.99
天宇铃声
No in-app purchases
