Let's Dot vs Brain Training
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Let's Dot
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LetsDot is a minimalist puzzle game where your goal is to connect numbers in the correct order using a single continuous line and fill the entire grid without leaving empty spaces. How to Play • Start from number 1 and connect the numbers in order • Draw one continuous line without lifting your finger • Fill every cell on the board with a single path Features • Hundreds of carefully designed levels • Simple rules with increasingly complex solutions • Clean and calming visual design • Fully playable offline • Suitable for all ages Whether you want to relax or challenge your brain, LetsDot offers a satisfying and thoughtful puzzle experience. Each level presents a new logical challenge.
Brain Training
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How old is your brain today? Measure your brain age in about 3 minutes with three quick mini games - then come back tomorrow and keep it young. YOUR BRAIN AGE IN 3 MINUTES - Card Match: flip the cards and find every pair to test your short-term memory. - Proverb Quiz: complete well-known sayings to test your language sense. - Quick Math: solve as many problems as you can before time runs out. - Your three scores combine into one simple number: your brain age. ONE MISSION EVERY DAY - A fresh daily brain mission runs all three games back to back. - Complete it every day to build your streak. - Try to beat yesterday's brain age. SEE IT AT A GLANCE - Home screen widget shows today's brain age and your streak. - Clear score breakdown and a grade for every game. SIMPLE AND COMFORTABLE - Three difficulty levels for every game, from relaxed to demanding. - Adjustable text size - easy on the eyes at any age. - Proverbs in your own language, not translations of foreign ones. - Works fully offline. No account, no sign-up. - Free to download and play. BRAIN REPORT (OPTIONAL ONE-TIME PURCHASE) - Your brain age trend over time, and score trends for all three games. - The area where your own averages are weakest. - The time of day you focus best. - Built only from the records already saved on your device. It does not estimate IQ, percentiles, or comparisons with other people. - Everything else stays free. The report is an optional extra, bought once. Whether you want a quick mental warm-up with your morning coffee or a daily habit to keep your mind sharp, Brain Training fits into three spare minutes. Download Brain Training and find out how young your brain really is.
Screenshots
Verdict
The clearest difference is iOS requirement: Let's Dot at 15.1 against Brain Training's 17.0. On price 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.
| Parameter | Let's Dot | Brain Training |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 weeks |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone — better |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 39 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Serhat DEMIR | Hyunwoo Lee |
In-app purchases
Let's Dot
No in-app purchases
Brain Training
No in-app purchases





