Comparison

TransFix vs Tolerance Helper

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

Head to head
About

TransFix

Features
Read full description

Мобильное приложение ТрансФикс представляет собой оптимальный мобильный продукт, созданный с учетом всего накопленного ТрансФикс опыта в сфере предоставления качественных услуг по ремонту гидротрансформаторов и гидроблоков АКПП. Официальное приложение предназначено для обеспечения клиентам компании максимального удобства при пользовании услугами.

About

Tolerance Helper

This engineering reference tool simplifies calculating ISO standard tolerances for mechanical design and manufacturing. It provides instant calculations for hole and shaft dimensions, with support for multiple units and a user-friendly interface.

Highlights
  • ISO tolerance calculations for holes and shafts
  • Complete engineering tolerance reference table
  • Minimum, maximum, and average dimension calculations
  • Multi-unit support (mm, inches, micrometers)
  • Powerful search and filtering of designations
  • User-friendly interface with color-coded indicators
  • Dark mode support
Features
Read full description

Tolerance Calculator Tolerance Calculator is a comprehensive engineering reference tool for mechanical design and precision manufacturing professionals. This app simplifies the process of calculating dimensions with ISO standard tolerances for both holes and shafts. Key Features Comprehensive Tolerance Reference Complete reference table of engineering tolerances Support for both hole and shaft designations (e.g., H7, h7) Spans all standard dimensional intervals Easy Tolerance Calculation Calculate minimum, maximum, and average dimensions Enter a nominal dimension and view all tolerance limits instantly Results displayed clearly with color-coded indicators Copy results to clipboard with a single tap Powerful Search and Filtering Quick search for specific tolerance designations Filter by hole or shaft tolerances Recent searches history for faster access Customizable tolerance filter to show only designations you need Multi-unit Support View tolerances in millimeters (mm) Convert to inches (in) with proper precision Convert to micrometers (μm) for precision work User-Friendly Interface Intuitive navigation with tolerance table Clean, engineering-focused design Clear color coding: blue for holes, green for shafts Clickable cells for instant calculations Accessibility Features Dark mode support for low-light environments Responsive layout for phones and tablets Support for both portrait and landscape orientations Localization English and Russian language support International engineering symbols Professionally translated interface Perfect For Mechanical engineers CNC machinists Manufacturing technicians Quality control specialists Engineering students Technical designers Precision fabricators Tolerance Calculator is the essential pocket reference for anyone working with precision mechanical parts. Calculate proper fits and clearances accurately without the need for paper tables or complex formulas. Download now and simplify your engineering calculations!

Screenshots

TransFix4 screens
Tolerance Helper4 screens

Verdict

The call

The clearest difference is update cadence: Tolerance Helper at weekly against TransFix's every 6 weeks. 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

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

TransFix ships an update every 6 weeks, Tolerance Helper weekly. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 7 level
TransFix versus Tolerance Helper: the parameters behind the verdict, then further details
ParameterTransFixTolerance Helper
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size42 MB21 MB
Age rating4+4+
DeveloperAlexander KrupnovDmitriy Trofimov

In-app purchases

None

TransFix

No in-app purchases

None

Tolerance Helper

No in-app purchases

Questions

Is TransFix free?
TransFix is free to download, with no in-app purchases.
Is Tolerance Helper free?
Tolerance Helper is free to download, with no in-app purchases.
Do TransFix or Tolerance Helper have ads?
Neither TransFix nor Tolerance Helper shows ads.
Which is updated more often, TransFix or Tolerance Helper?
TransFix ships an update every 6 weeks, and Tolerance Helper weekly. Most recently, TransFix was updated on October 17, 2026 and Tolerance Helper on October 12, 2026.

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