Contraction & Labor Timer vs 竹知了3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contraction & Labor Timer
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Bring calm, clarity, and medical precision to your labor day with Contraction & Labor Timer: Log. Designed to eliminate stress and guesswork, this essential companion guides you through every surge until baby arrives. KEY FEATURES: • Precision Contraction Timer: Log start, stop, duration, and frequency with a single large tap. • Smart 5-1-1 Hospital Rule: Automatically calculates when contractions are 5 minutes apart, lasting 1 minute, for 1 hour, alerting you when it's time to head to the hospital. • Fetal Kick Counter: Track baby's movements using the Cardiff 10-count clinical protocol with 7-day trend graphs. • Hospital Birth Bag Checklist: Essential, midwife-curated packing lists for Mom, Baby, and Partner. • Doctor-Ready PDF Export: Generate a detailed clinical contraction log to share directly with your OB-GYN or midwife. • 100% Private & Offline: Zero account needed, zero tracking, works perfectly in hospital zones without internet. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://furkancingoz.com/laborguard/privacy
竹知了3D
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一根竹签,一条细绳,绳头拴着一只竹筒做的知了。 手指划着圈把它甩起来,它就绕着签头转,转一圈,叫一声。 摇得越快,叫得越急。 这是很多人童年记忆里的那只竹知了。 如今我们把它一比一搬进了手机:竹纹、红漆、烙画的翅脉、 两颗黑木珠眼睛,都照着老玩具的样子重新做了一遍。 ■ 真实的物理,不是动画 知了是被真正「甩」起来的。转速越高,离心力把绳子甩得越平, 它扫出的圈子越大——这是圆锥摆,和你小时候手里那只一模一样。 ■ 声音是算出来的,不是录音 竹膜上那根松香线的「黏—滑」摩擦,被一比一建模成了声音: 摩擦脉冲、竹腔共鸣、随公转扫动的共振峰, 凑成那声拖长的蝉鸣。转得越急,叫得越密。 每一次响都是实时算出来的,所以每一次都不重样。 ■ 手指划圈,也可以摇手机 划圈甩,或者直接晃动手机,两种玩法都行。 ■ 想让它喊什么,它就喊什么 「哇」可以改成任意四个字。你写什么,它就一路喊着什么转。 ■ 四种背景,一个清屏模式 纯黑、柳影、叶隙、光斑随你挑。 点左上角进入清屏,满屏只剩一只知了在转。 明月别枝惊鹊,清风半夜鸣蝉。 夏夜的声音,收在手机里了。
Screenshots
Verdict
The clearest difference is update cadence: 竹知了3D at daily against Contraction & Labor Timer's every 3 weeks. 竹知了3D also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Contraction & Labor Timer ships an update every 3 weeks, 竹知了3D daily. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.
| Parameter | Contraction & Labor Timer | 竹知了3D |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 95 MB |
| Age rating | 12+ | 4+ |
| Developer | Furkan Cingoz | 远青 谢 |
In-app purchases
Contraction & Labor Timer
No in-app purchases
竹知了3D
No in-app purchases









