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SpeedCrunch

The most recommended of 7 calculator apps

A fast, keyboard-driven desktop calculator that people use for scratchpad equations, bit operations and radix conversion, with a clean, free design.

A fast, keyboard-driven desktop calculator that people use for scratchpad equations, bit operations and radix conversion, with a clean, free design.

20 people gave an opinion

recommend it
13
criticize it
7
approval share
65%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 13 people recommend itNeeds 10 or more, met.
  • 1.8 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 4 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Keyboard-driven scratchpad for quick equations

    “always my go-to for quick scratchpad for equations”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”

    “Speedcrunch might finally beat out opening a terminal w/ the R interpreter for me”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”
  • Strong bit shift and bit visualization

    “I use speed crunch almost every day mostly to see bits and bit shift operations visually.”

    Comment from 24 Oct 2026 in “SpeedCrunch 1.1”

    “This is the most useful calculator.. bit shifts..radix conversations..”

    Comment from 24 Oct 2026 in “SpeedCrunch 1.1”
  • Used daily by regular users

    “I use speed crunch almost every day mostly to see bits and bit shift operations visually.”

    Comment from 24 Oct 2026 in “SpeedCrunch 1.1”

    “usually I just use Speedcrunch on my computer.”

    Comment from 31 Jan 2026 in “Ask HN: Do you still physical calculators?”

    “Huge fan of SpeedCrunch!!”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”

What people warn about

Each mark is one comment

  • Input lag and slow startup in new version

    “there's now marked input lag that never existed in the original version”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”

    “It's also much slower to start now”

    Comment from 26 Oct 2026 in “SpeedCrunch 1.1”
  • Bugs and missing functions

    “this app has plenty of bugs / missing issues just like everything else”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”

    “to bad all functions dealing with prims are missing”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”
  • Disliked new icon and redesign

    “I'm also not a fan of the old one.”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”

    “not a fan of the new icon tbh”

    Comment from 25 Oct 2026 in “SpeedCrunch 1.1”

Other calculator apps people recommend

The four most recommended other calculator apps, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

SpeedCrunch compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
SpeedCrunchThis page13765%4——
Windows Calculator93421%5——
Qalculate90100%5——
Can I Run AI locally?91439%1——
Free42 by Thomas Okken70100%5——
See all 7 calculator apps, ranked

What people said

17 of the 21 comments that mention it, newest first. Each links to the original comment.

“It's also much slower to start now”

CriticizesComment from 26 Oct 2026 in “SpeedCrunch 1.1”

“I want no helpful cleverness that resulted in this bug in the first place.”

CriticizesComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“I'm also not a fan of the old one.”

CriticizesComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“to bad all functions dealing with prims are missing”

CriticizesComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“it had a hardcoded limit of 5 digits before it drops to scientific notation”

MixedComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“not a fan of the new icon tbh”

CriticizesComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“Huge fan of SpeedCrunch!!”

RecommendsComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“Speedcrunch might finally beat out opening a terminal w/ the R interpreter for me”

RecommendsComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“this app has plenty of bugs / missing issues just like everything else”

CriticizesComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“there's now marked input lag that never existed in the original version”

CriticizesComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“always my go-to for quick scratchpad for equations”

RecommendsComment from 25 Oct 2026 in “SpeedCrunch 1.1”

“This is nice to see, and it looks like this release includes a small order of operations bug fix”

RecommendsComment from 24 Oct 2026 in “SpeedCrunch 1.1”

“I use speed crunch almost every day mostly to see bits and bit shift operations visually.”

RecommendsComment from 24 Oct 2026 in “SpeedCrunch 1.1”

“This is the most useful calculator.. bit shifts..radix conversations..”

RecommendsComment from 24 Oct 2026 in “SpeedCrunch 1.1”

“HexCalc and speedcrunch are my gotos”

RecommendsComment from 3 Jun 2026 in “HP re-releases classic computer science calculator: The HP-16C”

“or something like speed crunch to do graphing”

RecommendsComment from 1 May 2026 in “Ti-84 Evo”

“usually I just use Speedcrunch on my computer.”

MixedComment from 31 Jan 2026 in “Ask HN: Do you still physical calculators?”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.