FrogGrabber vs BRAIN!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FrogGrabber
Test your reflexes and color recognition skills by tapping only the frogs of the specified color. Avoid visual tricks and compete with friends on online leaderboards for the fastest time. This game enhances attention, judgment, and concentration.
- Color-specific frog tapping
- Visual trick avoidance
- Attention and concentration training
- Online leaderboards
- Fast-paced gameplay
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Tap only the frog of the specified color and compete for the fastest time. Be careful not to be tricked by mismatched cues, such as the word “green” written in red. This game trains your attention, judgment, and concentration all at once. With online rankings, you can compete with your friends!
BRAIN!
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BRAIN! is an app that helps you evaluate and track your brain’s condition. When you’re struggling to concentrate or feeling mentally foggy, BRAIN! allows you to quantify your cognitive state. It measures four key indicators: ・Focus (SART) ・Cognitive control (Stroop task) ・Working memory (n-back task) ・Processing speed (TMT) Easy to use — each test takes less than 5 minutes. Your scores are automatically saved and visualized in graphs to track changes over time. Ideal for checking your mental condition before and after work or study, or monitoring the effects of sleep and nutrition. Also great for peak performance and recovery planning. Your brain deserves conditioning, too. Start visualizing your cognitive power with BRAIN!
Screenshots
Verdict
The clearest difference is update cadence: BRAIN! at daily against FrogGrabber's every 4 months. BRAIN! also leads on iOS requirement (12.0 vs 18.6). 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.
FrogGrabber ships an update every 4 months, BRAIN! daily. The most recent releases landed on June 4, 2026 and September 6, 2026 respectively.
| Parameter | FrogGrabber | BRAIN! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | makoto amijima | TNQ Tech, Co. |
In-app purchases
FrogGrabber
No in-app purchases
BRAIN!
No in-app purchases
