Number Boom Demo! vs Four Seconds
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Number Boom Demo!
Test your math skills by solving equations before time runs out. This game offers brain exercises and an endless mode to challenge your calculation speed and accuracy.
- Math skill training
- Timed equation solving
- Brain exercises
- Endless mode
- Single difficulty level
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"Number Boom" is the best way to train your math skill! Calculate a value of expression before bomb will blow up! Features in free version: - one difficulty level. - great exercises for brains. - endless mode.
Four Seconds
Test your timing by stopping a timer at precisely four seconds. Compete with others on the leaderboard to see who has the best precision. It's a simple yet challenging game of skill.
- Precise timer stopping
- Four-second challenge
- Global leaderboard
- Simple gameplay
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Can you hit the bullseye? ---- A timer and a simple rule: stop it at exactly four seconds. Let's see how well this goes. See you on the leaderboard!
Screenshots
Verdict
The clearest difference is update cadence: Number Boom Demo! at every 6 months against Four Seconds's every 22 months. On price, review sentiment, ads and in-app purchases 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.
Number Boom Demo! ships an update every 6 months, Four Seconds every 22 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Number Boom Demo! | Four Seconds |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 6 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 | 10.0 |
| Further details — not scored | ||
| Size | 14 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Pavel Kremliakov | Andrei Antonescu |
Customer experience
Number Boom Demo!
Four Seconds
In-app purchases
Number Boom Demo!
No in-app purchases
Four Seconds
No in-app purchases
Questions
Is Number Boom Demo! free?
Is Four Seconds free?
Do Number Boom Demo! or Four Seconds have ads?
Which is updated more often, Number Boom Demo! or Four Seconds?
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