Countdown to Zero vs 测量工具
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Countdown to Zero
This app helps you appreciate life by counting down the estimated number of days, weeks, and months remaining until significant life milestones. It encourages a positive outlook by highlighting the finiteness of experiences and supports custom event tracking.
- Counts down days, weeks, and months
- Tracks remaining life events
- Supports custom event tracking
- Promotes positive life appreciation
- Simple and intuitive interface
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How many days and weeks left before you are 50? This is an interesting question and the answer may surprises you. Countdown to Zero is a positive app. it will count how many events left in your whole life. like how many meals left, how many months and weeks left etc. it also supports custom events. You will treasure things when you know they are limited. May you always be positive and strong, and get through everyday happily!
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.
Screenshots
Verdict
The clearest difference is ads: Countdown to Zero at none against 测量工具's shown. Countdown to Zero also leads on monetization model (free vs free with in-app purchases). 测量工具's advantage is iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
Countdown to Zero holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 50 and 77 respectively. Written reviews point the same way: 92% of Countdown to Zero's written reviews are positive against 84% of 测量工具's.
Countdown to Zero ships an update every 3 weeks, 测量工具 monthly. Both last shipped on October 26, 2026.
| Parameter | Countdown to Zero | 测量工具 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (50 ratings) — better | 4.5 (77 ratings) |
| Positive reviews | 91.9% of reviews — better | 84.0% of reviews |
| Number of ratings | 50 | 77 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhenlai Xia | 飞剑 姚 |
Customer experience
Countdown to Zero
测量工具
In-app purchases
Countdown to Zero
No in-app purchases
测量工具
No in-app purchases
