Convex Programmer's Calculator vs 8051 Tutorial Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Number base conversion
- Two's complement calculation
- Byte flipping for endianness
- Left and right bit shifting
- Binary readability enhancements
- Copy, paste, and clear functionality
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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.
8051 Tutorial Pro
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This app is a 8051 tutorial based on C language. It is suitable for hobbyist or engineering students. Features • 8051 architecture review • 8051 asm mnemonics • 8051 C lanugage • 22 projects including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, timer (mode 0,1,2), 4x4 keypad, piano, serial debug monitor, 16x2 LCM, i2c eeprom, 93c46, SPI eeprom etc • Baud calculator Features in Pro • Projects with complete uVision project and document • Create C source code of timer mode 0,1,2 • Data pattern code generator of 8x8 LED matrix All product names, trademarks and registered trademarks are property of their respective owners. All company, product and service names used in this app are for identification purposes only. Use of these names,trademarks and brands does not imply endorsement.
Screenshots
Verdict
The clearest difference is price: Convex Programmer's Calculator at Free against 8051 Tutorial Pro's $1.99. Convex Programmer's Calculator also leads on in-app purchases (none vs 10). 8051 Tutorial Pro's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On update cadence and ads 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
Convex Programmer's Calculator is free to download; 8051 Tutorial Pro costs $1.99 up front. 8051 Tutorial Pro sells 10 one-off in-app purchases. Convex Programmer's Calculator asks for nothing beyond the download.
Convex Programmer's Calculator ships an update every 8 months, 8051 Tutorial Pro every 6 months. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.
| Parameter | Convex Programmer's Calculator | 8051 Tutorial Pro |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.7 (6 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 8 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Daigle | Siu Yuen Ho |
In-app purchases
Convex Programmer's Calculator
No in-app purchases
8051 Tutorial Pro
- 18B20$0.99
- 24L01$0.99
- MPU6050$0.99
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- OLED$0.99
- ESP8266$1.99
- DHT22 project$1.99
- DHT11 project$1.99
- BMP180 project$1.99
- BMP280 project$1.99
- automation (BT) project$1.99
Questions
Is Convex Programmer's Calculator free?
Is 8051 Tutorial Pro free?
Do Convex Programmer's Calculator or 8051 Tutorial Pro have ads?
Which is updated more often, Convex Programmer's Calculator or 8051 Tutorial Pro?
Other comparisons
