Comparison

Hash Calculator vs CalcFast

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

Head to head
About

Hash Calculator

Generate cryptographic hashes for text and files using numerous algorithms. Supports large files and offers additional text processing tools like Base64 encoding and case conversion. Easily copy or share your results.

Highlights
  • Generate hashes for text and files
  • Supports MD5, SHA-1, SHA-256, and more
  • Handles large files (10+ GB)
  • Copy hashes to clipboard
  • Share hashes via email
  • Base64 encoder/decoder
  • Case converter
Features
Read full description

Hash Calculator lets you generate hashes for any text or file using a variety of popular algorithms. Easily copy calculated hashes to the clipboard or share them via email. Fast hashing for text and files, including large files (10+ GB). Supported hashing algorithms (text and files): MD2 MD4 MD5 SHA-1 SHA-224 SHA-256 SHA-384 SHA-512 CRC32 Adler-32 Additional tools for text processing: Whirlpool hash Base32 encoder / decoder Base64 encoder / decoder Case converter

About

CalcFast

A fast and elegant calculator for Apple devices that displays your calculation history. It offers a Today Extension for quick access and supports Apple Watch, external keyboards, and VoiceOver.

Highlights
  • Calculation history display
  • Today Extension for quick calculations
  • Apple Watch app
  • Dark/light mode selection
  • External keyboard support
  • VoiceOver support
Features
Read full description

Fast and simple calculator for iPad, iPhone and Apple Watch that shows the calculation history, includes a Today Extension that allows for fast calculation by swiping down and 3D Touch for quick interactions. Numbers are formatted for your country, i.e. period in the US and comma in Europe. Ever lost your train of thought half way through a calculation and thought how handy it would be to review your calculations. The aim of this Calculator is to be fast, elegant and simple. Features: - The calculator can open side by side or over other apps in iPadOS. - Select dark or light mode. - External keyboard support. - Smart Apple Watch Calculator included. - Light weight Today Extension included. - Calculations shown when input and on tape. - Key click confirms pressing of buttons, which may be turned off. - Previous calculation is repeated when the equal sign is pressed. - Numbers are shown in local format, depending on your Region Formats, i.e. comma used in Europe. The number of decimal digits may be set in the Settings. - VoiceOver is supported. - Calculations Tape may be deleted by Tapping on it.

Screenshots

Hash Calculator3 screens
CalcFast3 screens

Verdict

The call

The clearest difference is price: CalcFast at Free against Hash Calculator's $1.99. CalcFast also leads on update cadence (every 2 months vs every 9 months). Hash Calculator's advantage is rating (4.8 vs 4.2) and ratings volume (117 vs 20). On ads, in-app purchases, monetization model 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

CalcFast is free to download; Hash Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Hash Calculator holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Hash Calculator has 117 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 86% of Hash Calculator's written reviews are positive against 78% of CalcFast's.

UpkeepUpdate frequency

Hash Calculator ships an update every 9 months, CalcFast every 2 months. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

Scorecard6 real differences · 4 level
Hash Calculator versus CalcFast: the parameters behind the verdict, then further details
ParameterHash CalculatorCalcFast
Price$1.99Free — better
Rating4.8 (117 ratings) — better4.2 (20 ratings)
Positive reviews86.4% of reviews — better78.3% of reviews
Number of ratings117 — better20
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperLeszek SzaryHannes Sverrisson

Customer experience

Hash Calculator

All ratings117 ratings
Positive96.6%
Neutral1.7%
Negative1.7%
Written reviews22 reviews
Positive86.4%
Neutral4.5%
Negative9.1%

CalcFast

All ratings20 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews23 reviews
Positive78.3%
Neutral4.3%
Negative17.4%

In-app purchases

None

Hash Calculator

No in-app purchases

None

CalcFast

No in-app purchases

Questions

Is Hash Calculator free?
Hash Calculator costs $1.99, with no in-app purchases.
Is CalcFast free?
CalcFast is free to download, with no in-app purchases.
Which has better reviews, Hash Calculator or CalcFast?
Hash Calculator is rated higher. Hash Calculator averages 4.8 out of 5 from 117 ratings, while CalcFast averages 4.2 from 20 ratings.
Do Hash Calculator or CalcFast have ads?
Neither Hash Calculator nor CalcFast shows ads.
Which is updated more often, Hash Calculator or CalcFast?
Hash Calculator ships an update every 9 months, and CalcFast every 2 months. Most recently, Hash Calculator was updated on September 20, 2026 and CalcFast on September 19, 2026.

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