Pi vs Blink4!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Pi
Test your memory and math skills by recalling digits of Pi in a survival game. Unlock boosters to extend your game and improve your score. Perfect for all ages looking to sharpen their minds.
- Memorize Pi digits in survival mode
- Unlock boosters for extended gameplay
- Improve memory and mental math skills
- Practice multiplication and math facts
- Climb the leaderboard
- Designed for all ages
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Master the digits of Pi in this fast-paced memory survival math game! Challenge your brain to remember as many digits of Pi as possible while unlocking fun boosters that help you keep going. Great for students, families, and math lovers who enjoy improving memory, practicing multiplication, and sharpening mental math skills. Use quick thinking, pattern recognition, and strategy to survive longer and score higher. Unlock powerful boosters, level up your memory, and climb the leaderboard. Whether you’re a math fan or just love a good memory challenge, this game makes it fun and rewarding. Features: • Memorize Pi digits in an exciting survival mode • Use boosters to extend your run and maximize your score • Designed for players of all ages who enjoy math and memory games • Excellent for memory training, focus, and brain sharpness • Quick math challenges that boost mental agility • Supports multiplication and math facts practice • Ideal for family play, brain games, and math challenges Whether you’re into multiplication drills, math facts, memory challenges, or brain training, Pi Math Challenge brings a fun twist to improving your mind. Download now and see how far you can go! Optional in-app purchases available for boosters and bonus credits. Privacy Policy and Terms of Use: https://sites.google.com/view/pisurvival/terms-conditions
Blink4!
Test your memory and speed with this challenging game. Memorize rapidly flashing numbers and type them before time runs out. Progress through 50 tiers of increasing difficulty and compete globally.
- 50-tier progression
- Global leaderboard
- Millisecond precision timing
- Gem system for continues
- Minimalist design
- Brain training
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BLINK AND YOU MISS IT A number flashes on screen. You have milliseconds to memorize it. Type it before time runs out. Sounds easy? Think again. Blink4 is the ultimate test of memory and speed. Numbers appear faster with each level. Display time shrinks. Digits increase. Only the sharpest minds survive. -------------------------------------- HOW TO PLAY Watch the number flash. Remember it. Type it. Beat the clock. Simple rules. Brutal difficulty. -------------------------------------- CLASSIC MODE Start with 4 digits at 400 milliseconds. Reach level 20 and face 5 digits. Push to level 35 for 6 digits. Climb all 50 tiers. Less than 1% of players finish the run. Will you be one of them? -------------------------------------- BLINK LEAGUE & DUELS Compete in timed league runs where every second counts. Queue for duels, face rivals, and climb your division. Money buys comfort — not your rank. Skill decides who rises. -------------------------------------- FEATURES • 50-tier Classic progression that pushes your limits • BLINK League with competitive seasons and divisions • Live duels against other players • Global leaderboard to prove your reflexes worldwide • Daily login gifts and quests • Boosts and gems for continues when you need a second chance • Guest play — jump in instantly, save progress when you create an account • Minimal design with zero distractions • Millisecond precision timing on every answer -------------------------------------- COMPETE GLOBALLY Your reflexes mean nothing if you cannot prove them. Climb the worldwide leaderboard. Rise through league divisions. Claim your spot at the top. -------------------------------------- TRAIN YOUR BRAIN Short-term memory fades fast. Blink4 forces you to sharpen it. Perfect for quick mental workouts, improving focus, or challenging friends to beat your high score. -------------------------------------- THE CHALLENGE IS WAITING Download now. See how far you can go. Your brain is faster than you think. Prove it. Terms of Use (EULA): https://blink4app.com/terms Privacy Policy: https://blink4app.com/privacy
Screenshots
Verdict
The clearest difference is ads: Pi at none against Blink4!'s shown. Blink4!'s advantage is monetization model (ad-supported vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Pi sells 5 one-off in-app purchases and Blink4! sells 6 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Pi | Blink4! |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 21 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | REMESHY LTD | Onur Gumus |
Customer experience
Pi
Blink4!
In-app purchases
Pi
- 5K Credits$0.99
- 12K Credits$1.99
- 25K Credits$2.99
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- 50K Credits$3.99
- 100K Credits$4.99
Blink4!
- Blinkpass$8.991 Month
- 50 Elmas$0.99
- 150 Gems$2.99
- 500 Gems$7.99
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- 1200 Gems$14.99
- 3000 Gems$29.99









