Comparison

Apportata vs Thread Calculator

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

Head to head
About

Apportata

Features
Read full description

Sei un tutore che ha un utente seguito nel circuito di Apportata? Richiedi l'accesso ad info@apportata.it, scarica l'app ed accedi per monitorare gli interventi degli educatori, consultare la documentazione relativa al tuo utente, mandare messaggi e comunicare con lo staff di Apportata. Sei un educatore che fa parte del circuito di Apportata? Scarica l'applicazione per visualizzare gli appuntamenti con gli utenti, confermare e convalidare gli orari, compilare la documentazione relativa agli utenti seguiti, mandare messaggi e comunicare con lo staff di Apportata, visualizzare i propri documenti o richiedere permessi lavorativi.

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.

Screenshots

Apportata4 screens
Thread Calculator4 screens

Verdict

The call

The clearest difference is ads: Apportata at none against Thread Calculator's shown. Apportata also leads on iOS requirement (11.0 vs 15.0). Thread Calculator's advantage is update cadence (every 18 months vs every 59 months). 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

Apportata ships an update every 59 months, Thread Calculator every 18 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Apportata versus Thread Calculator: the parameters behind the verdict, then further details
ParameterApportataThread Calculator
PriceFreeFree
Rating—4.3 (13 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings—13 — better
Update frequencyEvery 59 monthsEvery 18 months — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size57 MB25 MB
Age rating12+4+
DeveloperIntuizioni CreativeGSR Gustav Stursberg GmbH

In-app purchases

None

Apportata

No in-app purchases

None

Thread Calculator

No in-app purchases

Questions

Is Apportata free?
Apportata is free to download, with no in-app purchases.
Is Thread Calculator free?
Thread Calculator is free to download, with no in-app purchases.
Do Apportata or Thread Calculator have ads?
Thread Calculator shows ads; Apportata does not.
Which is updated more often, Apportata or Thread Calculator?
Apportata ships an update every 59 months, and Thread Calculator every 18 months. Most recently, Apportata was updated on October 4, 2026 and Thread Calculator on September 27, 2026.

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