Comparison

YomiFlash vs Math Bird Challenge

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

Head to head
About

YomiFlash

This app uses flashcards to help children study Japanese vocabulary, including Kanji. It features adjustable flash speeds, sound options, and a large display for words. Categories cover family, body parts, food, creatures, and daily life.

Highlights
  • Japanese words including Kanji
  • Adjustable flash speed
  • Large full-screen words
  • Sound ON/OFF option
  • Multiple word categories
  • Easy operation with Panel View
Features
Read full description

YomiFlash is Flash Cards Application using Japanese. YomiFlash helps your child to study Japanese. ■ Features - Japanese words including Kanji - Easy operation using Panel View - Very Large words - full Screen size - Adjustable flash speed. (Fast, Normal, Slow) - Sound can be turned ON and OFF ■ How to - Select a category in the menu list - Tap some word lists in the Panel View - Push start button ■ Category of words 1. 身近な人 (Family) 2. 身体の部分 (Human's body parts) 3. 食べ物 (Foods) 4. 生き物 (Creatures - Animals, Insects) 5. 遊び (Play) 6. 身近な生活 (Daily life) 7. 身近な物 (Familiar goods) (Following contents will be added if you have purchased the add-on "No-Advertisement") 8. 色・形・位置 (Color, Shape, Position) 9. 反対語 (Opposite word - Antonym) 10. その他 (Others)

About

Math Bird Challenge

This app makes learning arithmetic engaging by combining classic arcade gameplay with math challenges. Players tap to navigate obstacles while solving addition and subtraction problems, with difficulty increasing as their score rises. It's designed for children aged 5-12 to build math skills through fun, reward-based play.

Highlights
  • Arithmetic practice integrated with gameplay
  • Progressive difficulty levels
  • Strengthens mental arithmetic
  • Improves calculation speed
  • Works offline
  • Simple one-tap controls
Features
Read full description

Make math learning fun and addictive! Math Bird combines Flappy Bird gameplay with arithmetic practice, creating an educational experience kids actually love. HOW TO PLAY Tap to flap through pipes while solving math problems. Answer correctly to keep flying and beat your high score. The higher you score, the harder the challenges! KEY FEATURES Progressive Difficulty • Level 1: Single-digit addition (Score 0-9) • Level 2: Two-digit addition (Score 10-29) • Level 3: Addition and subtraction (Score 30-49) • Level 4: Advanced arithmetic (Score 50+) Educational Benefits • Strengthen mental arithmetic • Improve calculation speed • Build number sense and confidence • Practice addition and subtraction • Learn through reward-based gameplay Game Features • Cherry power-ups restore lives • Dynamic sky changes by time of day • Best score tracking • Simple one-tap controls • Colorful graphics for children • Works offline - play anywhere PERFECT FOR AGES 5-12 Ideal for elementary students learning arithmetic: • Kindergarten: Simple addition • First Grade: Building foundations • Second Grade: Mixed operations • Third Grade+: Advanced mental math WHY PARENTS LOVE IT Educational and Entertaining Math Bird disguises practice as play, so kids build skills while having fun. Safe Screen Time No distracting ads. No in-app purchases. Just focused math practice. Proven Learning Method Game-based learning improves retention and motivation through immediate feedback and rewards. Progress Without Pressure Children learn at their own pace. Progressive difficulty ensures appropriate challenge levels. LEARNING OUTCOMES Regular play helps children: • Solve problems faster and confidently • Develop stronger number sense • Improve mental calculation • Build positive math associations • Gain problem-solving skills WHAT MAKES US DIFFERENT Authentic Gameplay Genuinely fun Flappy Bird mechanics. Kids play because they enjoy it. Meaningful Learning Every tap requires mathematical thinking. Success requires correct arithmetic. Smart Difficulty Automatically adjusts to optimal challenge level. Instant Feedback Immediate results accelerate learning and maintain engagement. GET STARTED Download Math Bird and transform math practice from chore to adventure. Perfect for supplementing lessons, homework skills, car rides, and building confidence!

Screenshots

YomiFlash4 screens
Math Bird Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Math Bird Challenge at none against YomiFlash's 1. Math Bird Challenge also leads on review sentiment (100% vs 67%). YomiFlash's advantage is ads (none vs shown) and iOS requirement (7.0 vs 13.0). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. YomiFlash sells 1 one-off in-app purchase. Math Bird Challenge asks for nothing beyond the download.

Scorecard5 real differences · 3 level
YomiFlash versus Math Bird Challenge: the parameters behind the verdict, then further details
ParameterYomiFlashMath Bird Challenge
PriceFreeFree
Positive reviews66.7% of reviews100.0% of reviews — better
Update frequencyEvery 10 months—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better13.0
Further details — not scored
Size18 MB36 MB
Age rating4+4+
DeveloperMotoki NakamaTomohiro Kosaka

Customer experience

YomiFlash

Written reviews6 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Math Bird Challenge

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

YomiFlash

One-time1
  • No Advertisement$2.99
None

Math Bird Challenge

No in-app purchases

Questions

Is YomiFlash free?
YomiFlash is free to download, with in-app purchases available.
Is Math Bird Challenge free?
Math Bird Challenge is free to download, with no in-app purchases.
Do YomiFlash or Math Bird Challenge have ads?
Math Bird Challenge shows ads; YomiFlash does not.

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