Comparison

8051 Tutorial vs Calculation Transformers

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

Head to head
About

8051 Tutorial

Learn 8051 microcontroller programming in C with this comprehensive tutorial. It covers architecture, assembly, and C language, featuring 11 practical projects. An optional Pro version offers additional projects with source code and advanced features.

Highlights
  • 8051 architecture review
  • 8051 assembly mnemonics
  • 8051 C language programming
  • 11 practical projects
  • Baud calculator
  • Pro version with extra projects and source code
Features
Read full description

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 language • 11 projects including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, timer (mode 0,1 ) • Baud calculator Features in Pro • Extra 11 projects with source code • 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.

About

Calculation Transformers

Features
Read full description

Calculation Transformers is a practical electrical engineering tool designed to help calculate important transformer parameters quickly and accurately. It is suitable for students, technicians, and professionals working with transformer design, maintenance, and analysis. The app simplifies complex electrical formulas and provides reliable outputs in an easy-to-understand format. With a clean interface and fast processing, it becomes a handy reference for daily engineering tasks. Key Features: Fast transformer-related calculations Clear and structured inputs Accurate and easy-to-read results Helpful for design and troubleshooting User-friendly interface Calculation Transformers supports efficient planning and understanding of transformer performance, making it a valuable companion for electrical work. in-app purchase included 
 Lifetime to unlock all calculation and remove ads Privacy Policy : https://docs.google.com/document/d/1Dn1gNdDP2AHL7sg-px4rxdLAcoGHlNB8/edit#heading=h.1ionsc3v3xmq Terms and Condition : https://docs.google.com/document/d/1t-LREPKByKaM0UkbIo4o0E1gdAYs21Oe30EfGxenEss/edit?usp=sharing

Screenshots

8051 Tutorial4 screens
Calculation Transformers4 screens

Verdict

The call

8051 Tutorial and Calculation Transformers are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. 8051 Tutorial sells 10 one-off in-app purchases and Calculation Transformers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

8051 Tutorial ships an update every 3 months, Calculation Transformers every 5 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

ScorecardNo meaningful differences
8051 Tutorial versus Calculation Transformers: the parameters behind the verdict, then further details
Parameter8051 TutorialCalculation Transformers
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size17 MB56 MB
Age rating4+4+
DeveloperSiu Yuen HoNanjibhai Gorasiya

In-app purchases

10 purchases

8051 Tutorial

One-time10
  • 24L01$0.99
  • 18B20$0.99
  • OLED$0.99
Show 7 more
  • Unlock Pro features$1.99
  • ESP8266$1.99
  • BMP180 project$1.99
  • DHT11 project$1.99
  • DHT22 project$1.99
  • BMP280 project$1.99
  • Wireless automation (BT)$1.99
1 purchases

Calculation Transformers

One-time1
  • Lifetime premium$9.99

Questions

Is 8051 Tutorial free?
8051 Tutorial is free to download, with in-app purchases available.
Is Calculation Transformers free?
Calculation Transformers is free to download, with in-app purchases available.
Do 8051 Tutorial or Calculation Transformers have ads?
Neither 8051 Tutorial nor Calculation Transformers shows ads.
Which is updated more often, 8051 Tutorial or Calculation Transformers?
8051 Tutorial ships an update every 3 months, and Calculation Transformers every 5 months. Most recently, 8051 Tutorial was updated on September 16, 2026 and Calculation Transformers on September 17, 2026.

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