Comparison

速算トレイン vs 暗算Blitz

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

Head to head
About

速算トレイン

Features
Read full description

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。

About

暗算Blitz

Features
Read full description

99×99までのかけ算でらくらく計算できるパターンを網羅。 苦手なパターンだけを徹底練習できます。 問題ごとに解法が参照できるので「これどうやるんだったっけ?」という疑問もすぐに解決。

Screenshots

速算トレイン1 screens
暗算Blitz3 screens

Verdict

The call

The clearest difference is in-app purchases: 速算トレイン at none against 暗算Blitz's 1. 速算トレイン also leads on iOS requirement (11.0 vs 17.6). 暗算Blitz's advantage is update cadence (daily vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 暗算Blitz sells 1 one-off in-app purchase. 速算トレイン asks for nothing beyond the download.

UpkeepUpdate frequency

速算トレイン ships an update every 2 months, 暗算Blitz daily. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level
速算トレイン versus 暗算Blitz: the parameters behind the verdict, then further details
Parameter速算トレイン暗算Blitz
PriceFreeFree
Update frequencyEvery 2 monthsDaily — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 — better17.6
Further details — not scored
Size41 MB54 MB
Age rating4+4+
DeveloperYosuke EbinaToshihide KAWAI

In-app purchases

None

速算トレイン

No in-app purchases

1 purchases

暗算Blitz

One-time1
  • プレミアム・ユーザー$14.99

Questions

Is 速算トレイン free?
速算トレイン is free to download, with no in-app purchases.
Is 暗算Blitz free?
暗算Blitz is free to download, with in-app purchases available.
Do 速算トレイン or 暗算Blitz have ads?
Both 速算トレイン and 暗算Blitz show ads.
Which is updated more often, 速算トレイン or 暗算Blitz?
速算トレイン ships an update every 2 months, and 暗算Blitz daily. Most recently, 速算トレイン was updated on November 7, 2026 and 暗算Blitz on October 30, 2026.

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