Reflex Factor vs Keep your reflexes
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reflex Factor
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Test and train your reflexes
Keep your reflexes
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FlashFive is a fun training game that helps you boost your focus and improve your reaction speed! Five circles appear on the screen, and your goal is to tap the one that lights up within the time limit. The time gets shorter little by little, but don’t rush—take your time and enjoy the challenge. Your score is based on how many circles you tap correctly. Play at your own pace and steadily train your concentration while having fun. Try playing a little every day to refresh your mind and body!
Screenshots
Verdict
The clearest difference is ads: Reflex Factor at none against Keep your reflexes's shown. Keep your reflexes's advantage is update cadence (every 2 days vs every 12 months). On price, in-app purchases, device support and iOS requirement 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.
Reflex Factor ships an update every 12 months, Keep your reflexes every 2 days. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.
| Parameter | Reflex Factor | Keep your reflexes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 29 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Mutai Mwiti | Masaharu Tsukamoto |
In-app purchases
Reflex Factor
No in-app purchases
Keep your reflexes
No in-app purchases
Questions
Is Reflex Factor free?
Is Keep your reflexes free?
Do Reflex Factor or Keep your reflexes have ads?
Which is updated more often, Reflex Factor or Keep your reflexes?
Other comparisons
