测量工具 vs 空空鱼
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
测量工具
This utility app offers a suite of measurement tools for your phone. It includes a ruler, protractor, noise meter, distance calculator, level, compass, and flashlight. Easily measure lengths, angles, sound levels, and more with convenient on-the-go tools.
- Ruler (metric/inch)
- Noise meter (decibel)
- Protractor (camera-based)
- Distance measurement
- Level tool
- Compass
- Flashlight
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Measurement tools, eight sets of small tools. 1: the ruler to measure the length of the gadget, support metric and inch. 2 noise meter: through the phone to detect the surrounding sound decibel 3: get the object angle protractor tool, measured by the camera shooting. 4 paintings: calibration quick view home pendant is neat gadget. 5 measuring distance: input object height, accurate calculation of horizontal distance. 6 level: put the phone on the test object, you can know whether the level of small tools. 7 Compass: fast positioning precision gadget, no longer lost. 8 flashlight: a key to open the phone lights. A collection of a variety of gadgets function measurement tools, it contains a ruler, protractor, noise meter, measuring the distance of these conventional small features, and support level, compass, a flashlight, hang a picture to use it, calibration tools, user can really feel the heart of this product designers design. Measurement tool - really is a commonly used, put in the pocket gadget. QQ Group: 556446705 Welcome to join us and look forward to your suggestions and we will try our best to improve our products.
空空鱼
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您的专属手机伴侣! 1、自定义动态壁纸实况壁纸动态锁屏充电提示音、充电动画:告别单调,让充电过程更有趣以及自定义动态壁纸。 2、多彩提示音:自定义电量低、断电、充满,每一种情况都有独特的声音提醒。 3、明星&动漫提示音:热门梗、明星、动漫人物,总有一款能触动你的心弦。 4、录制专属提示音:记录下你和TA的专属时刻,分享给更多人。 5、桌面贴纸&视频动画&动态壁纸:每天与喜欢的角色相伴,让生活更加甜蜜。 6、手机解锁音效和解锁动画功能,让手机解锁都与众不同。 7、nfc照片音乐墙,让专属声音带到现实,手机一碰就是Ta的声音。8、自定义桌面小组件可以配置喜欢的图片和表情包并且还能点击播放自己喜欢的声音和视频。 现在,立即下载体验,让这款软件为你的生活增添色彩和活力以及爱!
Screenshots
Verdict
The clearest difference is in-app purchases: 测量工具 at none against 空空鱼's 10. 测量工具 also leads on ratings volume (77 vs 3). 空空鱼's advantage is ads (none vs shown) and rating (5.0 vs 4.5). On price, review sentiment, update cadence and device support 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. 空空鱼 sells 10 one-off in-app purchases. 测量工具 asks for nothing beyond the download.
空空鱼 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 测量工具 has 77 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 84% of 测量工具's written reviews are positive against 81% of 空空鱼's, so the app with the better star average is not the one people write more warmly about.
测量工具 ships an update monthly, 空空鱼 every 3 weeks. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | 测量工具 | 空空鱼 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (77 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 84.0% of reviews — better | 81.0% of reviews |
| Number of ratings | 77 — better | 3 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 55 MB | 102 MB |
| Age rating | 4+ | 17+ |
| Developer | 飞剑 姚 | Hebei Heiya Technology Co., Ltd. |
Customer experience
测量工具
空空鱼
In-app purchases
测量工具
No in-app purchases
空空鱼
- 首充送100泡泡币$0.99
- 30泡泡币$0.99
- 一个月会员$0.99
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- 90泡泡币$0.99
- 160泡泡币$0.99
- 270个泡泡币$1.99
- VIP季度会员$1.99
- 480个泡泡币$2.99
- SVIP会员$3.99
- 1100个泡泡币$5.99









