FlashAnzan vs Mentalator
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FlashAnzan
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Practice flash anzan (flash mental arithmetic) in the same format as the Japanese grading examβand climb the ranks. GRADED MODE (30 RANKS, KYU 10 TO DAN 20) Each rank uses the exam's total-time format: numbers flash within a fixed total time, you answer 10 problems, and 70 points is a pass. YOUR GRADE IS KEPT Your best rank is recorded on the device and in iCloud, so it follows you to a new device. ANSWER BY VOICE Type on the number pad, or just say the answer. Speech recognition runs entirely on your deviceβyour voice is never sent anywhere. CUSTOM PRACTICE Set digits, count, and display time yourselfβfrom slow single digits to 3-digit numbers at 0.3 seconds. IPHONE DUO Big numbers when it's open; fold it in half and the question sits above with the number keys below. Close it and keep practicing on the outer screen. IPHONE, IPAD AND MAC Works on iPhone, iPad and Mac, and your grade follows you between them through iCloud. No ads. Available in nine languages: English, Japanese, Chinese (Simplified and Traditional), Korean, German, Spanish, French and Brazilian Portuguese. Note: This app is not affiliated with or endorsed by any certification body.
Mentalator
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MOST calculation apps make you stop what you're doing, stare at the screen, and tap. Mentalator doesn't. Say your answer out loud and keep going β while you cook, fold laundry, work out, or take a walk. It's the only mental math trainer that fits into a life that's already full, instead of demanding a screen-only moment of its own. You can also use Mentalator the traditional way: looking at the screen and tapping your answers. HANDS-FREE, START TO FINISH Turn on Hands-Free mode and the whole session runs by voice: questions are read aloud, you answer aloud, and Mentalator listens and moves on. No taps required from start to finish. TWO WAYS TO TRAIN β’ Quick Mode: a question and four options β tap or say the answer, perfect for fast reps. β’ Chain Mode: a string of operations spoken one after another ("plus 7... times 2... OK") that you keep running in your head, then say the final result. This is where real mental math strength gets built β the kind you can't fake by scanning multiple-choice options. BUILD A HABIT, NOT JUST A SESSION Set up daily practice Plans with a time and days of the week, and get a gentle reminder when it's time to train β pick how many rounds of each mode, and let it run. TRACK REAL PROGRESS Your Profile shows response times by operation and by mode, accuracy over time, and a daily trend β so you can see mental math actually getting faster, not just guess. MAKE IT YOURS β’ Addition, subtraction, multiplication, division β choose which operations and how many digits. β’ Adjustable difficulty as you improve. β’ Voice available in English and Spanish. Whether you've got five minutes between tasks or want a daily ritual, Mentalator turns "dead time" into real practice β hands-free, voice-first, and built to fit around your day instead of interrupting it.
Screenshots
Verdict
The clearest difference is in-app purchases: Mentalator at none against FlashAnzan's 1. FlashAnzan's advantage is ads (none vs shown) and device support (4 vs 1). On price, update cadence and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. FlashAnzan sells 1 one-off in-app purchase. Mentalator asks for nothing beyond the download.
FlashAnzan ships an update every 3 days, Mentalator every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | FlashAnzan | Mentalator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 5 days |
| Ads | No β better | Yes |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, Mac, Apple Watch β better | iPhone |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 8 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruhiko Kishi | Juan Jose Subotich |
In-app purchases
FlashAnzan
- Unlock All Grades$3.99
Mentalator
No in-app purchases
Questions
Is FlashAnzan free?
Is Mentalator free?
Do FlashAnzan or Mentalator have ads?
Which is updated more often, FlashAnzan or Mentalator?
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