Comparison

Riddlerr vs Mental Math

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

Head to head

Multiplication Games for Kids

Free

🎮 Games

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About

Riddlerr

Features

Read full description

An excellent riddle game, with many different levels and varieties of riddles. Including math calculations, stereometry visualisation, attention and many more. Challenge you math skills, logical and creative vision.

About

Mental Math

Features

Read full description

Train Your Brain with Mental Math. Solve quick math puzzles, logic riddles, and tricky equations. From basic addition to advanced mental math, this game offers challenges for all skill levels. Features: - Quick math games for daily brain workouts - Fun riddles and logic challenges - Multiplication, addition, subtraction & division - Solutions provided for every puzzle - Bright, modern interface designed for all ages Sharpen your mind, boost your math skills and enjoy brain-teasing puzzles anytime, anywhere!

Screenshots

Riddlerr4 screens

Mental Math4 screens

Verdict

The call

Riddlerr and Mental Math 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Riddlerr ships an update every 3 weeks, Mental Math every 6 weeks. The most recent releases landed on September 29, 2026 and October 19, 2026 respectively.

ScorecardNo meaningful differences

Riddlerr versus Mental Math: the parameters behind the verdict, then further details
Parameter	Riddlerr	Mental Math
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 6 weeks
Ads	Yes	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.0	15.0
Further details — not scored
Size	20 MB	132 MB
Age rating	4+	4+
Developer	Vladyslav Yermakov	JEU TECHNOLOGY (PRIVATE) LIMITED

In-app purchases

None

Riddlerr

No in-app purchases

None

Mental Math

No in-app purchases

Questions

Is Riddlerr free?

Riddlerr is free to download, with no in-app purchases.

Is Mental Math free?

Mental Math is free to download, with no in-app purchases.

Do Riddlerr or Mental Math have ads?

Both Riddlerr and Mental Math show ads.

Which is updated more often, Riddlerr or Mental Math?

Riddlerr ships an update every 3 weeks, and Mental Math every 6 weeks. Most recently, Riddlerr was updated on September 29, 2026 and Mental Math on October 19, 2026.