Flash Mental Math vs Take Shelter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Mental Math
Practice mental arithmetic with various difficulty levels and custom modes. This app serves as a brain training tool to enhance calculation skills.
- Mental arithmetic practice
- Easy, normal, and difficult modes
- Customizable modes
- Brain training
- Calculation skill improvement
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Flash mental arithmetic practice app In addition to the easy, normal, and difficult modes, there are also custom modes. It can also be a brain training to improve mental arithmetic
Take Shelter
This app provides comprehensive guidance on nuclear survival, covering everything from understanding nuclear explosions to preparing essential supplies and identifying safe shelters. It aims to equip users with the knowledge and skills needed to increase their chances of survival in the event of a nuclear attack.
- Nuclear explosion stages
- Shelter suitability
- Survival supply requirements
- Global nuclear weapon data
- Nuclear attack procedures
- Survival kit checklists
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Find out everything you need to know to protect yourself and your loved ones from the devastating effects of a nuclear attack. Imagine the following scenario. You’re going about your everyday life and out of nowhere the howling sound of an air siren hits your ears and a notification of an incoming nuclear strike appears on your phone! What do you do, where do you go, what will happen? Prepare for the worst and download Take Shelter. - Learn about the stages of a nuclear explosion - Find out what makes a suitable shelter - Determine the supplies required for survival - Discover global nuclear weapon inventories - Know what to do in the event of a nuclear attack - Assess your chances of surviving - Prepare with survival kit checklists Download Take Shelter now and arm yourself with the knowledge and skills needed to survive a nuclear attack. Don't be caught off guard - prepare for the worst and emerge as a survivor!
Screenshots
Verdict
The clearest difference is price: Flash Mental Math at Free against Take Shelter's $1.99. Flash Mental Math also leads on ratings volume (20 vs 2). Take Shelter's advantage is ads (none vs shown) and rating (5.0 vs 4.6). On update cadence, 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
Flash Mental Math is free to download; Take Shelter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Take Shelter holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Flash Mental Math has 20 ratings behind it against 2, so its average is the more settled of the two.
Flash Mental Math ships an update every 3 months, Take Shelter every 4 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | Flash Mental Math | Take Shelter |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.6 (20 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 20 — better | 2 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryouhei Azuma | N Craig |
Customer experience
Flash Mental Math
Take Shelter
In-app purchases
Flash Mental Math
No in-app purchases
Take Shelter
No in-app purchases
Questions
Is Flash Mental Math free?
Is Take Shelter free?
Which has better reviews, Flash Mental Math or Take Shelter?
Do Flash Mental Math or Take Shelter have ads?
Which is updated more often, Flash Mental Math or Take Shelter?
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