Comparison

Developer Calc Hex Dec Oct Bin vs Convex Programmer's Calculator

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

Head to head

Developer Calc Hex Dec Oct Bin

Show all Base number

Free

🔧 Utilities

★ 4.115 ratingsView app →

Convex Programmer's Calculator

Byte flip, bit shift, 2's comp

Free

🔧 Utilities

★ 4.76 ratingsView app →

About

Developer Calc Hex Dec Oct Bin

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values simultaneously. It's designed for developers needing quick base conversions and color code referencing.

Highlights

Binary, octal, decimal, hexadecimal conversion
Color hex code and RGB display
Large 19-digit decimal display
Conversion reset toggle
Maximum and minimum value display

Features

Read full description

The Calculator for Developer Developer Calc includes the following features: ■ Binary, octal, decimal, and hexadecimal in one screen ■ Color Hex code, RGB in one screen ■ The maximum value : 0x0FFF FFFF FFFF FFFF ■ The minimum value : 0xF000 0000 0000 0000 ■ The large 19-digit display of decimal ■ Conversion reset ON/OFF The following features are not included: (Just For Simple) ■ Scientific: trigonometric, hyperbolic, and logarithmic functions ■ Conversion: length, area, volume, speed, weight, temperature; unit arithmetic

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.

Screenshots

Developer Calc Hex Dec Oct Bin4 screens

Convex Programmer's Calculator4 screens

Verdict

The call

The clearest difference is rating: Convex Programmer's Calculator at 4.7 against Developer Calc Hex Dec Oct Bin's 4.1. Convex Programmer's Calculator also leads on ads (none vs shown) and monetization model (free vs ad-supported). Developer Calc Hex Dec Oct Bin's advantage is review sentiment (76% vs 67%) and device support (3 vs 1). On price, ratings volume, update cadence and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Convex Programmer's Calculator holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews complicate that: 76% of Developer Calc Hex Dec Oct Bin's written reviews are positive against 67% of Convex Programmer's Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Developer Calc Hex Dec Oct Bin ships an update every 5 months, Convex Programmer's Calculator every 8 months. The most recent releases landed on September 22, 2026 and June 11, 2026 respectively.

Scorecard6 real differences · 4 level

Developer Calc Hex Dec Oct Bin versus Convex Programmer's Calculator: the parameters behind the verdict, then further details
Parameter	Developer Calc Hex Dec Oct Bin	Convex Programmer's Calculator
Price	Free	Free
Rating	4.1 (15 ratings)	4.7 (6 ratings) — better
Positive reviews	76.3% of reviews — better	66.7% of reviews
Number of ratings	15 — better	6
Update frequency	Every 5 months — better	Every 8 months
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	Free — better
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	9.0 — better	16.0
Further details — not scored
Size	4 MB	0 MB
Age rating	4+	4+
Developer	QQ TSUBASA	Matthew Daigle

Customer experience

Developer Calc Hex Dec Oct Bin

All ratings15 ratings

Positive80.0%

Neutral6.7%

Negative13.3%

Written reviews93 reviews

Positive76.3%

Neutral8.6%

Negative15.1%

Convex Programmer's Calculator

All ratings6 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

Written reviews9 reviews

Positive66.7%

Neutral11.1%

Negative22.2%

In-app purchases

None

Developer Calc Hex Dec Oct Bin

No in-app purchases

None

Convex Programmer's Calculator

No in-app purchases

Questions

Is Developer Calc Hex Dec Oct Bin free?

Developer Calc Hex Dec Oct Bin is free to download, with no in-app purchases.

Is Convex Programmer's Calculator free?

Convex Programmer's Calculator is free to download, with no in-app purchases.

Which has better reviews, Developer Calc Hex Dec Oct Bin or Convex Programmer's Calculator?

Convex Programmer's Calculator is rated higher. Developer Calc Hex Dec Oct Bin averages 4.1 out of 5 from 15 ratings, while Convex Programmer's Calculator averages 4.7 from 6 ratings.

Do Developer Calc Hex Dec Oct Bin or Convex Programmer's Calculator have ads?

Developer Calc Hex Dec Oct Bin shows ads; Convex Programmer's Calculator does not.

Which is updated more often, Developer Calc Hex Dec Oct Bin or Convex Programmer's Calculator?

Developer Calc Hex Dec Oct Bin ships an update every 5 months, and Convex Programmer's Calculator every 8 months. Most recently, Developer Calc Hex Dec Oct Bin was updated on September 22, 2026 and Convex Programmer's Calculator on June 11, 2026.