Comparison

Cumulo vs ThinkFast

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

Head to head
About

Cumulo

This app offers a cozy digital space to chat with an AI companion, reflect on thoughts and feelings, and save everyday moments. It provides AI-generated journals, mood tracking, and personalized task suggestions to encourage self-care and personal growth.

Highlights
  • AI chat companion
  • Save thoughts, feelings, and memories
  • AI-generated daily journals
  • Personalized task suggestions
  • Mood and growth tracking
  • Customizable companion personality
Features
Read full description

Meet Cumulo. Your little AI cloud friend for life's messy thoughts, little moments, and joyful side quests. Chat, save little moments, and let AI turn them into a daily journal with 3 fun side quests. Complete them or add your own to fill your monthly happiness jar, one tiny adventure at a time. here, you can: • Chat with your Cumulo anytime • Save moments, thoughts, and photos from everyday life • Get AI-generated daily journals with personalized quests suggestions • Track moods and personal growth • Complete small daily quests and collect emojis in your monthly emoji globe • Customize your companion’s personality and style Cumulo combines AI chat, journaling, and self-care into a calm everyday experience designed to help you slow down, reflect, and notice the little moments in life. Subscription is required to unlock all features in Cumulo. Memberships cost $3.99 per week, $9.99 per month, or $89.99 per year with a 14-day free trial (prices for non-United States customers will vary). Payment will be charged to the user's Apple Account at confirmation of purchase. Subscriptions automatically renew at the original purchase price. Users can manage subscriptions and turn off auto-renewal in Apple Account Settings after purchase. Refunds will not be provided for any unused portion of the subscription term. Privacy Policy: https://www.cumuloai.com/privacypolicy Terms of Service: https://www.cumuloai.com/terms

About

ThinkFast

Features
Read full description

ThinkFast helps you replace endless scrolling with meaningful brain training. Play quick daily challenges that improve memory, logic, focus, and problem-solving through fun puzzle games. Build a daily habit, level up your brain, and compete with players around the world. Whether you have 5 minutes or 30 minutes, ThinkFast makes every session productive. FEATURES • Daily brain workout • Multiple puzzle games • Daily challenges • Global leaderboard • Personal best tracking • XP and leveling system • Daily streaks • Brain activity statistics • Skill progress tracking • Beautiful minimalist design • Offline gameplay • Quick sessions for any schedule TRAIN MULTIPLE SKILLS Memory Improve recall and recognition with carefully designed memory challenges. Logic Solve increasingly difficult puzzles that strengthen reasoning skills. Focus Improve concentration and attention through fast-paced games. Speed Challenge your reaction time and decision making. PUZZLE COLLECTION • Twenty48 • Focus Grid • Pair Up • Echo • Fill • Kings • Slide • Color Sudoku • Lights Out NEW CHALLENGES EVERY DAY Complete the daily workout, maintain your streak, earn XP, and unlock higher levels. TRACK YOUR PROGRESS Monitor your brain training journey with detailed statistics including: • Brain Time • XP • Level • Brain Index • Daily Streak • Best Streak • Weekly Activity • Skill Ratings COMPETE WORLDWIDE Climb the leaderboard and compare your performance with players across the globe. WHY THINKFAST? Instead of spending time doom-scrolling, invest a few minutes each day improving your mind. ThinkFast combines engaging puzzles with habit building to help make brain training part of your daily routine. Download ThinkFast today and start training your brain. Unlimited Play & premium features require a subscription $1.99/week $29.99/year Subscription autorenews until cancelled, cancell anytime Terms of use: https://thinkfastgameapp.netlify.app/terms Privacy policy: https://thinkfastgameapp.netlify.app/privacy

Screenshots

Cumulo4 screens
ThinkFast4 screens

Verdict

The call

The clearest difference is iOS requirement: Cumulo at 15.1 against ThinkFast's 17. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cumulo sells 4 in-app purchases, starting at $3.99 per 7 days and ThinkFast sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Cumulo versus ThinkFast: the parameters behind the verdict, then further details
ParameterCumuloThinkFast
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings7 — better—
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17
Further details — not scored
Size77 MB13 MB
Age rating17+4+
DeveloperGalaxion LimitedPuranjan Mallik

In-app purchases

4 purchases

Cumulo

Subscriptions3
  • Cumulo Subscribe - Weekly$3.997 Days
  • Cumulo Subscribe - Monthly$9.991 Month
  • Cumulo Subscribe - Yearly14 Days trial$49.991 Year
One-time1
  • Cumulo: AI Cloud Friend$89.99
2 purchases

ThinkFast

Subscriptions2
  • ThinkFast - Weekly$1.997 Days
  • ThinkFast - Yearly$29.991 Year

Questions

Is Cumulo free?
Cumulo is free to download, with in-app purchases available.
Is ThinkFast free?
ThinkFast is free to download, with in-app purchases available.
Do Cumulo or ThinkFast have ads?
Neither Cumulo nor ThinkFast shows ads.

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