Apps Like Tolerance Helper for iPhone and iPad
Calculate tolerances for holes and shafts
Calculate dimensions with ISO standard tolerances for holes and shafts. Input size and class to determine limits. Reference complete tables for standard intervals. Support for both hole and shaft designations.
Ranked alternatives
Showing 261–280 of 1,000 ranked alternatives.

Tire Size Calculator
Cheng Fan
Compare tire sizes and rotating weight.
The app compares passenger-car, light-truck, and motorcycle tire sizes. It models total mass change, rotational inertia, and estimated equivalent vehicle weight range during acceleration.

WAGO
WAGO Kontakttechnik GmbH & Co. KG
Search products, calculate cables, find dealers
Access electrical planning tools, including calculators for units and cable cross-sections. Search for products using text or images. Find nearby dealers. Perform calculations offline.

Pipe Saddle Layout Calculator
Jean-Paul Lanaux
Calculate pipe intersection cut lines easily.
The app calculates layout dimensions for joining two metal cylinders at any angle. It generates full-size pattern templates for printing, supporting various printer sizes and measurement units.




CardNGN – Gift Card Value
PROSPECT CULTURE GROUP CO., LIMITED
Check values instantly
Check values and calculate their worth instantly. View real-time price references for popular cards. Use a secure tool with accurate data. Manage balances and track expiration dates.

Ham Radio Reference
Snecadev
Amateur radio reference for all users.
This reference app provides quick access to amateur radio band limits, country codes, band plans, radiogram messages, grid squares, and time. It also includes the RST system, Morse code, phonetic alphabet, unit abbreviations, and metric prefixes.






iORA - Reaction Visualizer
Daniel Ess
Visualize reactions in 3D with quantum simulations
View 3D models of chemical reactions based on quantum-mechanical simulations. Rotate, zoom, and dissect molecular structures. Annotate diagrams and save notes for later review. Share visualizations with classmates or instructors.


Vox Comprehensive Spanish
Ultralingua, Inc.
Look up words and conjugations offline
Dictionary provides translations and verb conjugations across all tenses. Access offline without internet connection. Supports serious language learners and translators. Features user reviews and store highlights.

40IP
TRIZ Consulting Group GmbH
Generate ideas with 40 principles.
The app provides the 40 Inventive Principles from TRIZ. It includes over 400 illustrated examples to aid in idea generation and problem-solving.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.