Comparison

EquationSolve vs QQTazen

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

Head to head
About

EquationSolve

Features
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EquationSolve is an educational spelling-to-math game that challenges players to convert words into numerical equations. Each letter has a point value, and players must construct the correct mathematical equation that equals the word's total value. The game features multiple difficulty levels, from simple 3-4 letter words to complex phrases, with optional time limits to increase the challenge. Players build equations using addition and other mathematical operations, then calculate the final result. Correct answers earn points while wrong answers deduct them. The app includes a leaderboard system to track high scores across different difficulty levels.

About

QQTazen

Features
Read full description

QQTazen is a relaxing offline sudoku game designed for players who enjoy pure logic, clean design, and satisfying puzzle solving. Whether you are a beginner learning the basics or a sudoku expert looking for a daily brain challenge, QQTazen offers a smooth and enjoyable single-player experience you can play anytime, anywhere. Train your mind with carefully crafted sudoku puzzles across multiple difficulty levels. Start with easy grids to build confidence, then move on to harder challenges that test your logic, focus, and problem-solving skills. Every puzzle is designed to be both fair and rewarding, giving you the perfect balance of relaxation and mental exercise. With a simple interface and intuitive controls, QQTazen keeps the experience focused on what matters most: solving puzzles. Take notes, spot patterns, avoid mistakes, and enjoy the satisfying moment when every number falls into place. No distractions, no complicated systems—just classic sudoku gameplay in a polished mobile format. Because QQTazen is fully offline, you can enjoy your favorite number puzzles wherever you are. Play during a commute, on a break, while traveling, or whenever you want a calm and meaningful challenge without needing an internet connection. Features: - Classic single-player sudoku gameplay - Play offline anytime, anywhere - Multiple difficulty levels for all skill levels - Clean and easy-to-use interface - A relaxing brain-training experience - Great for both beginners and experienced players If you love number puzzles, logic games, and peaceful offline challenges, QQTazen is the perfect sudoku companion for your daily routine.

Screenshots

EquationSolve4 screens
QQTazen3 screens

Verdict

The call

EquationSolve and QQTazen are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
EquationSolve versus QQTazen: the parameters behind the verdict, then further details
ParameterEquationSolveQQTazen
PriceFreeFree
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size6 MB9 MB
Age rating4+17+
DeveloperAcunalan TekinTuyet Trinh Nguyen Thi

In-app purchases

None

EquationSolve

No in-app purchases

None

QQTazen

No in-app purchases

Questions

Is EquationSolve free?
EquationSolve is free to download, with no in-app purchases.
Is QQTazen free?
QQTazen is free to download, with no in-app purchases.
Do EquationSolve or QQTazen have ads?
Neither EquationSolve nor QQTazen shows ads.

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