Comparison

Thread Calculator vs 修车帝站长端

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Thread Calculator

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

Highlights
  • Thread cutting calculator for multiple units
  • Cold forming calculator
  • Thread repair calculator
  • Tap hole and bolt diameter calculation
  • Saves time compared to tables
Features
Read full description

The app includes: - A calculator for thread cutting for the following units: M, MF, UNC, UNEF, UNF, UNR, UNS, NPT, NPTF, NPSC, NPSF, NPSL, NPSM, BA, BSP, BSF, BSW, BSPP, TR, and TRF - A calculator for cold forming - A calculator for thread repair You want to know which tap hole you should drill for threading or which bolt you should use? With this app, you will find the desired measures in no time: Simply select the desired thread type, nominal size, and pitch and you will get the matching diameter for your project. This saves precious time you would have spent tediously searching for internal and external thread dimensions in tables. As this app is still in its development phase, new features will follow soon, so stay tuned! GSR Gustav Stursberg GmbH is a manufacturer for high-quality thread cutting tools with 130 years of operational experience in the area of threading tool production. The product portfolio includes a wide selection of tools for different areas of application. GSR taps, twist drills, round dies, and tool holders are manufactured to the highest quality standards in our own production facilities. The constant quality control during the production process guarantees a consistent good quality in all national as well as international production facilities. This requires enormous precision, which is reflected by our tools. Precision is in the details. Since 1889.

About

修车帝站长端

Features
Read full description

修车帝——专注汽车后车场数字化升级与信息化提升,通过信息化手段结合汽配供应链体系,面向全国汽配商提供一站式配件供应、软件系统服务。 【一站式集成进销存管理】 平台集成轮胎、机油、电瓶、滤芯、刹车片、火花塞、点火线圈、雨刷等易损件,同时满足底盘件等配件经营全品类需求,一个系统完成汽配进货、销售、促销及经营分析等功能,一站式解决汽配经营所有问题。 【配件查询,一键扫描匹配】 只需轻松扫一扫车架号,就可以自动识别车型并匹配可用配件,满足市场99%车型配件需求。 【不限制采购渠道,经营更自主】 修车帝向汽配经营者提供的一站式系统解决方案,不限制采购渠道,同时提供全线上数字化能力,让汽配经营更自主。 【配件采购更简单,价格更透明】 无需储备众多供应商,无需多家耗时比价,修车帝明码标价,轻松一键下单,让汽配经营更简单。

Screenshots

Thread Calculator4 screens
修车帝站长端4 screens

Verdict

The call

The clearest difference is ads: 修车帝站长端 at none against Thread Calculator's shown. 修车帝站长端 also leads on update cadence (every 6 weeks vs every 18 months) and iOS requirement (12.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Thread Calculator ships an update every 18 months, 修车帝站长端 every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Thread Calculator versus 修车帝站长端: the parameters behind the verdict, then further details
ParameterThread Calculator修车帝站长端
PriceFreeFree
Rating4.4 (14 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings14 — better—
Update frequencyEvery 18 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size25 MB105 MB
Age rating4+4+
DeveloperGSR Gustav Stursberg GmbH北京众驰智通科技有限公司

In-app purchases

None

Thread Calculator

No in-app purchases

None

修车帝站长端

No in-app purchases

Questions

Is Thread Calculator free?
Thread Calculator is free to download, with no in-app purchases.
Is 修车帝站长端 free?
修车帝站长端 is free to download, with no in-app purchases.
Do Thread Calculator or 修车帝站长端 have ads?
Thread Calculator shows ads; 修车帝站长端 does not.
Which is updated more often, Thread Calculator or 修车帝站长端?
Thread Calculator ships an update every 18 months, and 修车帝站长端 every 6 weeks. Most recently, Thread Calculator was updated on November 3, 2026 and 修车帝站长端 on November 5, 2026.

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