Comparison

Three Sided Flashcards vs FlashAnzan

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

Head to head
About

Three Sided Flashcards

Features
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Three Sided Flashcards helps you study complex concepts that cannot be captured effectively with traditional two-sided flashcards. Create flashcards with three connected sides to learn information that has more than just a question and an answer: No matter if you want to study scientific, medical, or legal concepts with multiple elements to remember, or Chinese characters together with their reading and meaning - Three Sided got you covered. Choose exactly what goes on each side and create flashcards that match the structure of what you are learning. Import flashcards from Excel or CSV files to create large card sets quickly and easily. Designed for focused, flexible study without distractions or unnecessary features, Three Sided Flashcards makes it easier to understand and remember complex information.

About

FlashAnzan

Features
Read full description

Practice flash anzan (flash mental arithmetic) in the same format as the Japanese grading exam—and 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. Kyu 10–8 are free, and every higher rank includes one free try. A single one-time purchase unlocks all ranks (no subscription). 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 device—your voice is never sent anywhere. FREE PRACTICE Set digits, count, and display time yourself—from slow single digits to 3-digit numbers at 0.3 seconds. IPHONE, IPAD AND MAC One purchase covers all three, 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.

Screenshots

Three Sided Flashcards4 screens
FlashAnzan4 screens

Verdict

The call

The clearest difference is device support: FlashAnzan at 4 against Three Sided Flashcards's 1. FlashAnzan also leads on iOS requirement (18.0 vs 26.1). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
Three Sided Flashcards versus FlashAnzan: the parameters behind the verdict, then further details
ParameterThree Sided FlashcardsFlashAnzan
PriceFreeFree
Update frequency—Every 2 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, Mac, Apple Watch — better
Requires iOS26.118.0 — better
Further details — not scored
Size4 MB8 MB
Age rating9+4+
DeveloperSven LangsdorfHaruhiko Kishi

In-app purchases

None

Three Sided Flashcards

No in-app purchases

None

FlashAnzan

No in-app purchases

Questions

Is Three Sided Flashcards free?
Three Sided Flashcards is free to download, with no in-app purchases.
Is FlashAnzan free?
FlashAnzan is free to download, with no in-app purchases.
Do Three Sided Flashcards or FlashAnzan have ads?
Neither Three Sided Flashcards nor FlashAnzan shows ads.

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