Comparison

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.

Head to head
About

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.

Highlights
  • Ruler (metric/inch)
  • Noise meter (decibel)
  • Protractor (camera-based)
  • Distance measurement
  • Level tool
  • Compass
  • Flashlight
Features
Read full description

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.

About

空空鱼

Features
Read full description

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

测量工具4 screens
空空鱼4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
测量工具 versus 空空鱼: the parameters behind the verdict, then further details
Parameter测量工具空空鱼
PriceFreeFree
Rating4.5 (77 ratings)5.0 (3 ratings) — better
Positive reviews84.0% of reviews — better81.0% of reviews
Number of ratings77 — better3
Update frequencyMonthlyEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size55 MB102 MB
Age rating4+17+
Developer飞剑 姚Hebei Heiya Technology Co., Ltd.

Customer experience

测量工具

All ratings77 ratings
Positive89.6%
Neutral1.3%
Negative9.1%
Written reviews50 reviews
Positive84.0%
Neutral2.0%
Negative14.0%

空空鱼

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive81.0%
Neutral4.8%
Negative14.3%

In-app purchases

None

测量工具

No in-app purchases

10 purchases

空空鱼

One-time10
  • 首充送100泡泡币$0.99
  • 30泡泡币$0.99
  • 一个月会员$0.99
Show 7 more
  • 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

Questions

Is 测量工具 free?
测量工具 is free to download, with no in-app purchases.
Is 空空鱼 free?
空空鱼 is free to download, with in-app purchases available.
Which has better reviews, 测量工具 or 空空鱼?
空空鱼 is rated higher. 测量工具 averages 4.5 out of 5 from 77 ratings, while 空空鱼 averages 5.0 from 3 ratings.
Do 测量工具 or 空空鱼 have ads?
测量工具 shows ads; 空空鱼 does not.
Which is updated more often, 测量工具 or 空空鱼?
测量工具 ships an update monthly, and 空空鱼 every 3 weeks. Most recently, 测量工具 was updated on November 1, 2026 and 空空鱼 on October 27, 2026.

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