Math Queen / Math King vs AVR Projects
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Math Queen / Math King
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Math Queen / Math King β Master Mathematics Through Play Learning math has never been more fun! Math Queen and Math King combine mental arithmetic, logic, and concentration in an entertaining puzzle game suitable for all ages. Every game creates a brand-new set of math challenges. Some numbers are missing, and it's your job to drag the correct numbers into the right places. Complete every equation to finish the round successfully. Because the puzzles are generated again and again, every game is different and offers a fresh challenge. Features β’ Unlimited randomly generated math puzzles β’ Simple and intuitive drag-and-drop controls β’ Practice addition, subtraction, multiplication, and division β’ Improves mental arithmetic and logical thinking β’ Enhances concentration and memory β’ Built-in timer to challenge yourself β’ Error counter to track your progress β’ Suitable for children, students, and adults β’ Perfect for learning, school, and daily brain training Whether you want to improve your math skills, keep your mind sharp, or simply enjoy solving clever number puzzles, Math Queen and Math King are the perfect companions. How fast can you solve every puzzle?
AVR Projects
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AVR Projects is an app for those who are learning AVR Microcontroller programming, and it contains demo projects for makers, electronic enthusiast and engineering students. It focuses on ATmega328p, which is a microcontroller IC on Arduino Uno, and Atmel (Microchip) Studio IDE. * Learn AVR Microcontroller Programming with example codes in Embedded written on Atmel Studio IDE, Proteus simulation files, circuit diagrams and descriptions. * Easy to access sensors and ICsβs datasheets. More projects will be added soon!
Screenshots
Verdict
The clearest difference is in-app purchases: Math Queen / Math King at none against AVR Projects's 10. AVR Projects's advantage is update cadence (daily vs every 30 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. AVR Projects sells 10 one-off in-app purchases. Math Queen / Math King asks for nothing beyond the download.
Math Queen / Math King ships an update every 30 months, AVR Projects daily. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.
| Parameter | Math Queen / Math King | AVR Projects |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 30 months | Daily β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 11 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerhard Lentschik | Zaw Win Myat |
In-app purchases
Math Queen / Math King
No in-app purchases
AVR Projects
- R2R Ladder DAC$0.99
- Sawtooth Waveform$0.99
- Triangular Waveform$0.99
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- Sine Waveform$0.99
- Ammeter AVR$0.99
- 4x3 Matrix Keypad$0.99
- Ohm Meter AVR$0.99
- Voltmeter AVR$0.99
- TM1637 Interfacing with AVR$0.99
- Graphic LCD Interfacing$0.99
Questions
Is Math Queen / Math King free?
Is AVR Projects free?
Do Math Queen / Math King or AVR Projects have ads?
Which is updated more often, Math Queen / Math King or AVR Projects?
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