Nerdy Math vs Casus Bul
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Nerdy Math
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Nerdy turns math practice into something you actually want to open — and now it trains the rest of your brain too. Work through 502 cards across 43 topics, from counting and times tables to fractions, exponents, probability, trigonometry and logarithms. Every card is played as one of 9 quick mini-games, so practice never feels like a worksheet. When you want a different kind of workout, Brain Lab is one tab away. WHAT'S INSIDE • 502 cards across 43 topics. Questions are generated fresh each time, so there is no answer key to memorise. • 9 mini-games — drag and drop, true or false, multiple choice, timed tests, balloon popping, rocket launches, star catching and maze runs. • 112 logic puzzles across 6 chapters and 31 puzzle types: magic squares, KenKen, nonograms, matchstick puzzles, cryptarithms, cube nets, mirror puzzles and more. • Live Arena — an always-on global round you can join at any moment, with live standings and a recap of what you missed. • Private races — invite up to 8 friends with a room code or QR code. Play a single round, or a best-of-3 or best-of-5 series. • Three-star scoring. Perfect and quick earns three stars; two mistakes end the card. BRAIN LAB • 12 short games across six skills: attention, speed, memory, flexibility, focus and math. Color Clash, Number Hunt, Memory Grid, Path Recall, Rule Switch, Target Sum and more. • Every game adapts over 10 levels, and scoring rewards careful play — fast random tapping does not win. • Today's workout: three games from different skills, about five minutes, always free. • A brain score from 0 to 1000 and six ranks, from Spark to Genius. • Brain Report: your skill profile, a 14-day trend, a speed-and-accuracy reading and a four-week training calendar. • Journey: chapters of stations that open new games as you keep training. BUILT FOR THE RIGHT LEVEL Choose an age band — 5-7, 8-10, 11-13 or 14+ — and Nerdy shows only the topics that fit. Kids mode keeps all 9 mini-games. Teen mode drops the arcade ones for straight practice. PLAYS ANYWHERE The card game, every riddle and Brain Lab work offline. Sign in when you want leaderboards, achievements and multiplayer; your progress syncs in the background across your devices. ALSO INCLUDED • Achievements and leaderboards through Game Center • Streak reminders that stay quiet once you have played for the day • 8 themes with animated backgrounds, plus light and dark modes • Screen reader support, larger text layouts and colours that stay readable in every theme • Available in English, Turkish, German, Spanish, French and Chinese Nerdy Premium unlocks every card, all 112 riddle levels and the full theme set, plus free play across every Brain Lab game, per-skill trends and rating history. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Casus Bul
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CASUS - Gizli Kimliğini Sakla, Casusu Bul! Arkadaşlarınla oynayabileceğin en eğlenceli parti oyunu! Herkes bir kart çeker, ama dikkat - içinizden biri SPY! NASIL OYNANIR? • 3-15 oyuncu arasında oynanır • Herkes sırayla kartını görür • SPY hariç herkes aynı kelimeyi alır • Konuşarak SPY'ı bulmaya çalışın • SPY ise kelimeyi tahmin etmeye çalış KATEGORİLER: • Ülkeler ve Şehirler • Yerli ve Yabancı Ünlüler • Sporlar • Yemekler • Meslekler • Hayvanlar • Eşyalar • Aktiviteler ÖZELLİKLER: • Ücretsiz oynanabilir • Casus Plus ile kendi kategorilerini oluşturma • Reklamsız deneyim • Kolay ve hızlı oynanış • Yüzlerce kelime • Karanlık tema • Offline oynanabilir CASUS PLUS: • Kendi kategorilerini oluştur • Özel kelime listelerinle oyna • Aylık abonelik ile Plus özellikleri açılır NEDEN CASUS? • Parti ve toplantılar için ideal • Ailece oynanabilir • Yaratıcı düşünmeyi geliştirir • Her yaştan oyuncu için uygun • Sınırsız tekrar oynanabilirlik Hemen indir ve arkadaşlarınla eğlenceli anlar yaşa! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.privacypolicies.com/live/cef48183-3403-4182-92ab-8610c9ad00a4
Screenshots
Verdict
The clearest difference is update cadence: Nerdy Math at weekly against Casus Bul's every 2 weeks. On price, ads, in-app purchases 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
Both are free to download. Nerdy Math sells 3 in-app purchases, starting at $9.99 per 7 days and Casus Bul sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Nerdy Math ships an update weekly, Casus Bul every 2 weeks. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.
| Parameter | Nerdy Math | Casus Bul |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 123 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Oguz Can | Arda Adalar |
In-app purchases
Nerdy Math
- Nerdy Premium Weekly$9.997 Days
- Nerdy Premium Monthly$19.991 Month
- Nerdy Premium Annual$29.991 Year
Casus Bul
- Casus Plus$0.991 Month









