Anzan19x19 vs 速算トレイン
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
速算トレイン
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人は人生でどれだけの計算をするのでしょうか？計算が速い、間違いが少ないというのは、地味ではあるけれど他のどんな能力にも劣らないくらい生きることを楽にします。このアプリはインド式計算法をはじめとした覚えにくく忘れやすいさまざまな速算法を身につけ忘れずにとどめておく事を補助します。
Screenshots
Verdict
The clearest difference is update cadence: Anzan19x19 at every 3 days against 速算トレイン's every 2 months. 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. Neither carries in-app purchases, so what you see is what you pay.
Anzan19x19 ships an update every 3 days, 速算トレイン every 2 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Anzan19x19 | 速算トレイン |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Hajime Hotaka | Yosuke Ebina |
In-app purchases
Anzan19x19
No in-app purchases
速算トレイン
No in-app purchases
