SynapseGym vs SnackLess Days
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SynapseGym
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Most brain games just hand you a score. SynapseGym shows you something more useful: where your mind is actually sharp, where it slips, and exactly what to train next. A REAL COGNITIVE PROFILE Take a short check and see yourself across six core skills β working memory, attention, processing speed, flexibility, impulse control and planning. No vague number. A clear picture of your strengths and your blind spots. TRAIN WHAT ACTUALLY HOLDS YOU BACK SynapseGym finds your weakest skill and builds a short daily session around it. No random games β focused practice aimed at the one thing that moves the needle for you. SEE REAL, MEASURABLE PROGRESS Re-check every couple of weeks and watch the numbers move. Track your reaction time, follow your streak, and learn the hours when your mind is at its sharpest. GROUNDED IN REAL SCIENCE The exercises are built on established cognitive tasks β Stroop, N-Back, Go/No-Go, digit span and more β turned into quick, sharp sessions that feel like play, not homework. MORE THAN GAMES A sharper mind needs a calmer one. Built-in meditation, gratitude journaling and habit tools help you stay focused and steady, every day. Leaderboards and achievements keep you coming back. 66 EXERCISES β NEVER THE SAME WORKOUT TWICE β’ Mental math, arithmetic drills and number sequences β’ Digit span, sequence memory and episodic recall β’ Stroop, Flanker, Go/No-Go and vigilance for attention β’ Single and dual N-Back for working memory β’ Reaction time, processing speed and visual tracking β’ Trail making, task switching and card sorting β’ Anagrams, verbal fluency and mental rotation NO ADS. EVER. 38 exercises are free. Premium unlocks all 66 β monthly, yearly, or a one-time lifetime purchase. Train a few minutes a day. See your mind get measurably sharper. SynapseGym is a training and self-assessment tool β not a medical device or a diagnosis. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SnackLess Days
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SnackLess Days helps you cut back on sweets and snacks with simple daily tracking. When a craving hits, log it, take a 10-minute pause, and reflect on your progress at the end of the day. What you can do β’ Log cravings and what triggered them β’ Use a 10-minute timer to pause before snacking β’ Check your current and longest streaks β’ View estimates of calories avoided, money saved, and gut rest time β’ Write daily reflections and review them on a calendar β’ Earn badges as you keep going Build a routine at your own pace and see the effort you put in each day. Terms of Use (EULA): https://takuyajimbo0506.github.io/quit-sweets-support/terms.html Privacy Policy: https://takuyajimbo0506.github.io/quit-sweets-support/privacy.html
Screenshots
Verdict
The clearest difference is iOS requirement: SynapseGym at 17.6 against SnackLess Days's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. SynapseGym sells 3 in-app purchases, starting at $7.99 per month and SnackLess Days sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.
SynapseGym ships an update every 11 days, SnackLess Days every 2 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | SynapseGym | SnackLess Days |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 11 days β better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 β better | 26.2 |
| Further details β not scored | ||
| Size | 111 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonas Hoettler | TAKUYA JIMBO |
In-app purchases
SynapseGym
- SynapseGym (monthly)$7.991 Month
- SynapseGym Premium (yearly)$44.991 Year
- SynapseGym Lifetime$99.99
SnackLess Days
- Premium Monthly$0.491 Month
- Premium Annual3 Days trial$5.991 Year
Questions
Is SynapseGym free?
Is SnackLess Days free?
Do SynapseGym or SnackLess Days have ads?
Which is updated more often, SynapseGym or SnackLess Days?
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