Comparison

Memory SoundX | Brain Training vs Fluid

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Memory SoundX | Brain Training

This app offers a focused daily brain exercise by pairing distinct tones with vibrant colors. It engages auditory and visual memory to improve attention, recall, and cognitive resilience through a simple pattern repetition game.

Highlights
  • Auditory and visual memory training
  • Pattern recognition exercises
  • Daily cognitive challenges
  • Global leaderboards
  • No account required
  • Focus on attention and recall
Features
Read full description

Memory SoundX is suitable for everyone! A quieter kind of brain training. Memory SoundX takes the classic concept of pattern memory and refines it into a premium, focused daily exercise. By pairing distinct tones with vibrant colors, the game engages both your auditory and visual memory to improve attention, recall, and cognitive resilience. THE EXERCISE • Watch: A sequence lights up across the board, pairing each color with a distinct sound. • Listen: The game rewards auditory recall as much as visual memory, keeping the exercise crisp and multi-sensory. The tones are crafted to be pleasing and memorable. • Repeat & Master: Tap the pattern back, build longer runs, and train daily to sharpen your mind. FROM 3×3 TO 8×8 Start on a calm 3×3 board and grow into 4×4, 6×6 and the 8×8 endgame. On bigger boards, same-colored tiles repeat, so you have to remember where, not just what. RISE THROUGH THE RANKS Win streaks take you from Beginner to Pro, Expert and Legend. DAILY CHALLENGE & SURVIVAL A new Daily Challenge every day with a streak to keep, and a Survival mode that races the clock. COMPETE Compare your best runs and daily streaks on the Game Center leaderboards. MEMORY SOUNDX PRO The 3×3 and 4×4 boards, Survival and the Daily Challenge are free. Pro unlocks the 6×6 and 8×8 boards right away, the Expert and Legend ranks, and the All-Time leaderboard. Choose Annual (with a free trial for eligible new subscribers), Monthly, or a one-time Lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage them in your Apple ID settings. SIMPLE BY DESIGN Memory SoundX respects your focus and your data. There are no ads, no in-app account and no tracking. Just open the app and play. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://memorysoundx.com/privacy/

About

Fluid

This app offers personalized daily stretching routines to improve flexibility, reduce stiffness, and alleviate pain. It provides guided sessions for various needs, from morning energy to post-workout recovery, and allows users to create custom routines. Track your progress and build consistency with motivational features.

Highlights
  • Personalized stretch plans
  • Guided routines for any moment
  • Customizable routine builder
  • Streak tracking and milestone achievements
  • Smart scheduling and reminders
  • Fluid Score for progress tracking
Features
Read full description

Fluid is the daily stretching app that helps you move better, feel lighter, and stay pain-free — in just 5 minutes a day. Whether you want to fix your posture, recover faster, or simply move without stiffness, Fluid makes it easy to build a habit that actually sticks. FIVE REASONS TO INSTALL FLUID: 1. Your personal stretch plan Tell us your flexibility level, problem areas, and goals — and we'll build a plan around you. Whether you want to fix your posture, recover faster, or just move without pain, Fluid gives you a clear path to get there. 2. Guided routines for every moment Morning energy, desk breaks, post-workout recovery, bedtime wind-down. Every routine is guided with clear visuals, timed holds, and automatic side-switching. No guesswork, no equipment, no experience needed. 3. Build your own routines Want full control? Choose from 50+ stretches and set your own hold times to build a routine that's completely yours. 4. Stay consistent with streak tracking Daily streaks, milestone achievements, and your personal Fluid Score make it easy to see how far you've come — and keep you coming back. 5. Smart scheduling and reminders Set sessions for the days and times that work for you. Fluid sends gentle reminders so your practice becomes part of your routine, not something you forget. Fluid is for the desk worker whose shoulders are always up by their ears, the runner who skips every cooldown, and anyone who just wants to move more freely. No gym required. No experience needed. Just five minutes a day. Here's what you get with Fluid: - Guided stretch routines: Curated sessions for morning energy, desk breaks, post-workout recovery, and bedtime wind-down. - Personal plan: Built around your flexibility level, focus areas, and goals. - Build your own: Mix and match from 100+ stretches with custom hold times. - Streak tracking: Stay motivated with daily streaks and milestone rewards. - Smart reminders: Schedule sessions for the exact days and times that suit you. - Fluid Score: A single number that tracks your consistency and progress over time. - Quick sessions: Most routines take just 5 to 10 minutes. Week 1 — Looser, lighter, better. You feel it from day one. Month 1 — Real changes in how you move and where you hold tension. Month 3 — The kind of flexibility you thought you'd lost for good. Start your free 3-day trial today. Five minutes is all it takes. Privacy Policy - https://fluiddaily.com/privacy Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Memory SoundX | Brain Training4 screens
Fluid4 screens

Verdict

The call

The clearest difference is rating: Fluid at 5.0 against Memory SoundX | Brain Training's 4.0. Fluid also leads on update cadence (every 9 days vs every 3 weeks). Memory SoundX | Brain Training's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Memory SoundX | Brain Training sells 3 in-app purchases, starting at $2.99 per month and Fluid sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fluid holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Memory SoundX | Brain Training ships an update every 3 weeks, Fluid every 9 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Memory SoundX | Brain Training versus Fluid: the parameters behind the verdict, then further details
ParameterMemory SoundX | Brain TrainingFluid
PriceFreeFree
Rating4.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size5 MB67 MB
Age rating4+4+
DeveloperCentral Domains LLCTo Minh Khoa Bui

In-app purchases

3 purchases

Memory SoundX | Brain Training

Subscriptions2
  • Pro Monthly.$2.991 Month
  • Pro Annual.7 Days trial$14.991 Year
One-time1
  • Memory SoundX Pro — Lifetime.$29.99
3 purchases

Fluid

Subscriptions3
  • Fluid Premium - Monthly3 Days trial$9.991 Month
  • Fluid Premium - Monthly3 Days trial$12.991 Month
  • Fluid Premium - Yearly3 Days trial2 variants$49.991 Year

Questions

Is Memory SoundX | Brain Training free?
Memory SoundX | Brain Training is free to download, with in-app purchases available.
Is Fluid free?
Fluid is free to download, with in-app purchases available.
Which has better reviews, Memory SoundX | Brain Training or Fluid?
Fluid is rated higher. Memory SoundX | Brain Training averages 4.0 out of 5 from 2 ratings, while Fluid averages 5.0 from 1 ratings.
Do Memory SoundX | Brain Training or Fluid have ads?
Fluid shows ads; Memory SoundX | Brain Training does not.
Which is updated more often, Memory SoundX | Brain Training or Fluid?
Memory SoundX | Brain Training ships an update every 3 weeks, and Fluid every 9 days. Most recently, Memory SoundX | Brain Training was updated on November 1, 2026 and Fluid on October 31, 2026.

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