Comparison

Thread Calculators vs Easy TTS

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

Head to head
About

Thread Calculators

This app provides precise thread-cutting data for various international standards. It assists machinists, engineers, and CNC professionals in quickly finding essential measurements and detailed tables for thread dimensions and cutting values.

Highlights
  • Supports international thread standards (M, UNC, NPT, etc.)
  • Tap Hole Size Calculator
  • Bolt Diameter Guide
  • Tap Hole Forming Data
  • Tap Hole Repair Values
  • Detailed thread dimension tables
Features
Read full description

Get quick and accurate thread-cutting data with this complete thread calculator app. It supports a wide range of international thread standards, including M, MF, UNC, UNF, UNEF, UNR, UNS, NPT, NPTF, NPSC, NPSF, NPSL, NPSM, BA, BSP, BSF, BSW, BSPP, TR, and TRF. Whether you're a machinist, engineer, or CNC professional, this app helps you find the right measurements instantly. Access detailed tables for thread dimensions and cutting values in one place. Key tools included: - Tap Hole Size Calculator – Find the correct drill size for perfect threading - Bolt Diameter Guide – Quickly check standard bolt dimensions - Tap Hole Forming Data – Accurate values for forming taps - Tap Hole Repair Values – Fix damaged threads with the correct specs This app is your handy companion for fast, reliable, and precise thread-cutting calculations.

About

Easy TTS

Features
Read full description

Easy TTS is an offline text to speech app: paste or type any text and hear it read aloud, with no account and no internet needed. • Read aloud anything: notes, articles, messages, study material, your own writing to proofread • Follow along: the word being read is highlighted • Your phone's voices in every language it has, plus downloadable AI voices in 70+ languages that run on your phone (marked Beta or Experimental where they may make mistakes) • Adjust speed and pitch • Save the speech as a WAV audio file and share it • Works in airplane mode. Your text is never uploaded • No account, no sign-up, no subscription About the voices: Easy TTS uses the voices installed on your phone. You can add more in your phone's settings, or download an AI voice inside the app. Each AI voice has its own licence, which you read and accept before it downloads; some are for personal, non-commercial use only. Easy TTS is free with adverts. One optional in-app purchase, Remove Ads, removes the adverts for good. Questions people ask • Does it work offline? Yes. Only downloading an AI voice needs the internet, once. • Do I need an account? No. • Which languages? Every language your phone has a voice for, and 70+ more with AI voices. • Is there a subscription? No. • Can I save the audio? Yes, as a WAV file you can share.

Screenshots

Thread Calculators4 screens
Easy TTS4 screens

Verdict

The call

The clearest difference is price: Easy TTS at Free against Thread Calculators's $1.99. Easy TTS also leads on update cadence (every 2 months vs every 10 months). Thread Calculators's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

Easy TTS is free to download; Thread Calculators costs $1.99 up front. Easy TTS sells 1 one-off in-app purchase. Thread Calculators asks for nothing beyond the download.

UpkeepUpdate frequency

Thread Calculators ships an update every 10 months, Easy TTS every 2 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Thread Calculators versus Easy TTS: the parameters behind the verdict, then further details
ParameterThread CalculatorsEasy TTS
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size51 MB121 MB
Age rating4+4+
DeveloperKantaben GorasiyaBEK Service LTD

In-app purchases

None

Thread Calculators

No in-app purchases

1 purchases

Easy TTS

One-time1
  • Remove Ads$1.99

Questions

Is Thread Calculators free?
Thread Calculators costs $1.99, with no in-app purchases.
Is Easy TTS free?
Easy TTS is free to download, with in-app purchases available.
Do Thread Calculators or Easy TTS have ads?
Easy TTS shows ads; Thread Calculators does not.
Which is updated more often, Thread Calculators or Easy TTS?
Thread Calculators ships an update every 10 months, and Easy TTS every 2 months. Most recently, Thread Calculators was updated on October 30, 2026 and Easy TTS on October 24, 2026.

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