Comparison

Convex Programmer's Calculator vs HexBit

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

Head to head
About

Convex Programmer's Calculator

Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.

Highlights
  • Number base conversion
  • Two's complement calculation
  • Byte flipping for endianness
  • Left and right bit shifting
  • Binary readability enhancements
  • Copy, paste, and clear functionality
Features
Read full description

Easily convert between hexadecimal, decimal, octal, and binary. Calculate the two's complement of any number. Flip a number's bytes to switch its endianness. Bit-shift left and right. Bit indicators and word grouping make binary easier to read. Tap the number to copy, paste, and clear. Swipe left or right on the number to backspace.

About

HexBit

Features
Read full description

HexBit is the focused calculator for engineers, developers, and students who want powerful math without ads, subscriptions, accounts, or tracking. SCIENTIFIC CALCULATOR • Natural expression input with live results • Trigonometry, inverse trig, hyperbolic functions, logarithms, exponents, roots, factorials, fractions, π, and e • Complex-number calculations with i • RPN mode with a four-level stack, ENTER, DROP, SWAP, and roll controls PROGRAMMER CALCULATOR • Synchronized HEX, DEC, OCT, and BIN values • 8-, 16-, 32-, and 64-bit signed or unsigned modes • AND, OR, XOR, NOT, shifts, and bit rotations • ASCII, Unicode, RGB, and IEEE 754 tools UNIT CONVERTER • 200+ units across 15 categories • Length, mass, volume, temperature, pressure, energy, power, data, and more • Works offline, including built-in currency rates MADE FOR DAILY USE • Searchable calculation history with one-tap reuse and copy • Five calculator themes and configurable display, sound, and haptic settings • Home Screen and Lock Screen widgets • Designed for iPhone and iPad Everything is included in one purchase. Your calculations and preferences stay on your device. Terms of Use: https://taxlite.net/simple_calc/terms.html Privacy Policy: https://taxlite.net/simple_calc/privacy.html

Screenshots

Convex Programmer's Calculator4 screens
HexBit4 screens

Verdict

The call

The clearest difference is price: Convex Programmer's Calculator at Free against HexBit's $3.99. Convex Programmer's Calculator also leads on in-app purchases (none vs 4). HexBit's advantage is update cadence (monthly vs every 8 months). On ads, device support and iOS requirement 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

Convex Programmer's Calculator is free to download; HexBit costs $3.99 up front. HexBit sells 4 in-app purchases, starting at $1.99 per 7 days. Convex Programmer's Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Convex Programmer's Calculator ships an update every 8 months, HexBit monthly. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
Convex Programmer's Calculator versus HexBit: the parameters behind the verdict, then further details
ParameterConvex Programmer's CalculatorHexBit
PriceFree — better$3.99
Rating4.7 (6 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings6 — better—
Update frequencyEvery 8 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.0
Further details — not scored
Size0 MB2 MB
Age rating4+4+
DeveloperMatthew DaigleZHENGQIAO JIANG

In-app purchases

None

Convex Programmer's Calculator

No in-app purchases

4 purchases

HexBit

Subscriptions3
  • Weekly$1.997 Days
  • Monthly$4.991 Month
  • Yearly$29.991 Year
One-time1
  • Lifetime$79.99

Questions

Is Convex Programmer's Calculator free?
Convex Programmer's Calculator is free to download, with no in-app purchases.
Is HexBit free?
HexBit costs $3.99, and also offers in-app purchases.
Do Convex Programmer's Calculator or HexBit have ads?
Neither Convex Programmer's Calculator nor HexBit shows ads.
Which is updated more often, Convex Programmer's Calculator or HexBit?
Convex Programmer's Calculator ships an update every 8 months, and HexBit monthly. Most recently, Convex Programmer's Calculator was updated on June 11, 2026 and HexBit on September 23, 2026.

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