Flash Mental Calc vs A3S
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Mental Calc
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Boost your mental math skills with Flash Mental Calculation! A simple and effective training app where numbers flash on screen and you calculate the sum as fast as you can. 【Features】 · Addition, Subtraction & Mixed mode · Customizable difficulty (digits, count, speed) · Sound & haptic feedback · Japanese / English / Chinese 【Premium - one-time】 · Mixed mode (addition + subtraction) · Unlimited custom difficulty · Accuracy charts & statistics
A3S
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Design Changes
Screenshots
Verdict
The clearest difference is iOS requirement: A3S at 13.0 against Flash Mental Calc's 17.0. 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.
| Parameter | Flash Mental Calc | A3S |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Wenbo Chen | Deccan Spark Technologies |
In-app purchases
Flash Mental Calc
No in-app purchases
A3S
No in-app purchases
