Flash mental calculation vs Anzan19x19
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash mental calculation
Practice mental arithmetic with this educational app. Review your calculation process, and easily re-challenge mistaken problems from your past logs. Upgrade to save more calculation history.
- Practice flash mental arithmetic
- Review calculation process
- Rechallenge mistaken problems
- Save past calculation logs
- Log history saved after purchase
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This app that you can practice flash mental arithmetic. You can review the calculation process by tapping the confirmation button after calculation. In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later. The past logs are saved for 10 questions before purchase, and 150 questions can be saved after purchase. ■ Past log Challenge mode, practice mode questions and results are automatically saved. Touch the challenge button to re-challenge the question. The past logs are saved for 10 questions before purchase and 150 questions are stored after purchase.
Anzan19x19
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Method of mental calculation of 19x19 Provides a completely new mental method of multiplication from 11 to 19 This method can be understood in a few minutes and can be calculated on the fly.Provides a new mental calculation method of multiplication from 11 to 19.
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Verdict
The clearest difference is in-app purchases: Anzan19x19 at none against Flash mental calculation's 1. Anzan19x19 also leads on update cadence (every 3 days vs every 5 months) and iOS requirement (12.0 vs 15.6). On price, ads 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. Flash mental calculation sells 1 one-off in-app purchase. Anzan19x19 asks for nothing beyond the download.
Flash mental calculation ships an update every 5 months, Anzan19x19 every 3 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Flash mental calculation | Anzan19x19 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | kenji kiuchi | Hajime Hotaka |
In-app purchases
Flash mental calculation
- Remove AD & All function Release.$9.99
Anzan19x19
No in-app purchases
Questions
Is Flash mental calculation free?
Is Anzan19x19 free?
Do Flash mental calculation or Anzan19x19 have ads?
Which is updated more often, Flash mental calculation or Anzan19x19?
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