Comparison

Reaction training. vs One Thing

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

Head to head
About

Reaction training.

Enhance your cognitive abilities, focus, and reflexes with a variety of engaging puzzles and games. Improve decision-making, logic, and memory skills through fun, educational exercises suitable for all ages. Challenge friends in a two-player mode for interactive learning and friendly competition.

Highlights
  • Over 55 puzzle and reflex challenges
  • Two-player competitive mode
  • Adjustable training intensity
  • Comprehensive progress statistics
  • Color theme customization
  • Schulte table, math, and memory exercises
Features
Read full description

Reaction Training: Elevate your brain, focus, and reflexes through play! Harness the power of play with Reaction Training – a game meticulously designed for both fun, improving reflex and focus and cognitive growth. Whether you're keen on enhancing your reaction time and speed, improving decision-making, or sharpening your logic skills, this educational puzzle app is tailored for learners of all ages. Educational Benefits of Reaction Training: Boost Your Brain: Engage with puzzles that improve thinking, memory, decision-making, math, and reflex skills. Learn While You Play: These educational exercises help with memory, focus, reflexes, and reaction time, making learning fun and effective. Improve Reflexes: Quick-response games test and train your reflexes, helping you react faster and enhance your memory skills. Family-Friendly Learning: Suitable for kids, teens, and adults, offering challenges that are both good for developing your brain and focus. Challenge Friends in Two-Player Mode: Use the two-player mode to compete with friends in real-time puzzle and reflex games, making learning interactive. Key Features of Reaction Training: • Over 55 diverse puzzle and reflex challenges targeting various reaction and logic skills. • Two-Player Mode: Compete with friends! Find out which of you is faster by using the screen of one device, which eliminates possible errors in the reaction time. • Adjustable settings for personalized training intensity. • Set personal reaction time goals and track your improvement over time. • Comprehensive statistics to monitor your cognitive, focus, and reflex progress. • Themes color customization for an enjoyable and educational experience. Educational Exercises in Reaction Training: • Schulte table exercise • Math challenges • Sound & Vibration level • Memory games • Simple color change test • Peripheral vision exercise • Color text matching training • Spatial imagination test • Quick reflex test • Number ordering level • Eye memory exercise • Quick numbers count level • Number ordering exercise • Shake level • F1 start lights reaction time • Aiming focus level • Spatial imagination reaction time exercise • Shapes comparing reflex level • Click limit test • Two-player challenges to compete with friends • and many more... Learn and have fun every day. These educational exercises and puzzles help you improve your reaction time, thinking skills, reflexes, and memory. Each game is designed to be challenging yet enjoyable, making learning something you’ll look forward to. Remember to practice regularly with these brain teasers to see improvement in your logic skills and reaction speed. Each exercise of the game is POSSIBLE to pass. Don't give up if you find some exercises challenging, try to think outside the box, turn on your logic, and you will succeed! Download Reaction Training now and start boosting your brain with fun, educational games and puzzles designed for cognitive development! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

One Thing

This app helps you build positive habits by blocking distracting apps until you complete a chosen meaningful activity. It uses AI-powered verification and progress tracking to keep you motivated and accountable.

Highlights
  • Daily meaningful activity selection
  • Smart app blocking
  • AI-powered camera verification
  • Progress tracking and streaks
  • Flexible scheduling
  • Family controls integration
Features
Read full description

Stop scrolling. Start living. One Thing flips phone addiction on its head. Instead of fighting dopamine-driven habits, this app channels them — blocking distractions until you complete one meaningful activity each day. Exercise, read, meditate, do deep work, or practice an instrument. Finish first, then earn back access. The result? A daily digital detox that builds real habits, reduces mindless scrolling, and gives you hours of focus back. SUBSCRIPTION INFORMATION All features require an active subscription after the free trial period. HOW IT WORKS (Subscription Required) Pick one activity every morning: gym, reading, meditation, studying, journaling, running, walking, or any productive pursuit. Until it's done, distracting apps stay locked. No willpower needed. The environment does the work. SMART BLOCKING (Subscription Required) System-Level Control: Native iOS Screen Time integration locks apps at the deepest level Personalized Filters: Select exactly which apps to restrict based on individual triggers Flexible Scheduling: Set weekly routines, daily challenges, or immediate timed blocks Usage Caps: Limit daily or weekly opens and minutes for specific apps Emergency Unlock: Safety valve for moments when access is genuinely urgent AI-POWERED VERIFICATION (Subscription Required) Photo Proof: Snap a picture and GPT-4 Vision confirms whether the activity was actually completed Works Everywhere: From gym selfies to reading sessions, the AI adapts to any habit No Cheating: Intelligent analysis catches shortcuts and keeps accountability honest TRUE FOCUS MODE (Subscription Required) Distraction-Free Timer: Full-screen countdown for deep work, studying, or creative sessions Cross-Device Sync: Pairs with Mac for seamless focus across phone and desktop ADHD-Friendly: Structured sessions with grace periods reduce the friction of getting started PROGRESS & MOTIVATION (Subscription Required) Streak Tracking: Build momentum day after day with visual completion calendars 18-Level Progression: Journey from "Brain Rewiring" on Day 1 to "One Year Champion" Detailed Analytics: Monitor hours saved, daily completion rates, and long-term growth Milestone Alerts: Celebrate achievements at key moments throughout the journey PRIVACY & RELIABILITY (Subscription Required) On-Device Data: Personal information never leaves the phone Background Processing: Blocks stay active even when the app is closed Live Activity Widget: Persistent lock-screen reminder showing streaks and countdowns BUILT FOR Anyone trapped in a scroll-refresh-repeat cycle Students needing structured study sessions and fewer distractions Professionals seeking a digital detox during work hours Fitness-focused individuals building consistent gym or running routines People with ADHD looking for external structure and accountability Families creating healthier relationships with technology WHY IT WORKS Traditional habit trackers send reminders and hope for the best. One Thing creates real consequences: access to social media, news, and entertainment stays blocked until the daily habit is done. It's not about restricting freedom. It's about trading a dopamine loop for a life-changing routine. JOMO (joy of missing out) replaces FOMO, one day at a time. SUBSCRIPTION DETAILS Payment: Charged to Apple ID upon confirmation of purchase Renewal: Automatically renews unless cancelled at least 24 hours before the current period ends Management: Manage or cancel anytime in Apple ID Account Settings No Commitment: Cancel at any point, no penalties Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://onethingapp.framer.website/privacy-policy

Screenshots

Reaction training.4 screens
One Thing4 screens

Verdict

The call

Reaction training. and One Thing both sit at 4.8 stars, but that hides the real split: 91% of Reaction training.'s written reviews are positive against 27% of One Thing's. Reaction training. also leads on monetization model (free with in-app purchases vs subscription). One Thing's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Reaction training. sells 7 in-app purchases, starting at $1.99 per month and One Thing sells 11 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Reaction training. against 4.7 for One Thing. Both are backed by a comparable volume of ratings — 585 and 892 respectively. Written reviews are what separate them: 91% of Reaction training.'s written reviews are positive against 27% of One Thing's.

UpkeepUpdate frequency

Reaction training. ships an update monthly, One Thing every 2 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Reaction training. versus One Thing: the parameters behind the verdict, then further details
ParameterReaction training.One Thing
PriceFreeFree
Rating4.8 (585 ratings) — better4.7 (892 ratings)
Positive reviews91.4% of reviews — better27.1% of reviews
Number of ratings585892 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better17.2
Further details — not scored
Size56 MB221 MB
Age rating4+4+
DeveloperOlena GotsulyakOne Thing LTD

Customer experience

Reaction training.

All ratings585 ratings
Positive95.6%
Neutral2.6%
Negative1.9%
Written reviews232 reviews
Positive91.4%
Neutral5.2%
Negative3.4%

One Thing

All ratings892 ratings
Positive94.5%
Neutral2.5%
Negative3.0%
Written reviews70 reviews
Positive27.1%
Neutral11.4%
Negative61.4%

User reviews

Reaction training.

From 585 App Store ratings

What we love

  • 🚀 Excellent reaction training
  • 💰 Reasonable one-time premium payment
  • 👍 Simple and effective
  • 🤩 Funny and engaging
  • ⚡ Helps improve reaction speed

Room to improve

  • 🐛 Inconsistent and inaccurate results in some levels
  • 🔍 Difficulty level too high for some exercises
  • 📺 Excessive ads in free version
  • 🔞 Inappropriate ads shown

One Thing

From 892 App Store ratings

What we love

  • 🚀 Helps stop doom-scrolling
  • 👍 Beneficial for users
  • 👍 Breaks bad habits
  • 👍 Helps with productivity

Room to improve

  • 💰 Requires payment
  • 🚫 Limited functionality without payment

Bugs and requests

Reaction training.

Reported bugs

2 issues
  • Click limit exercise not functioning properly
  • Delayed response time in registering clicks

Requested features

4 requests
  • Colorblind mode
  • Adjustable difficulty levels
  • More interactive and fun UI
  • Improved ball catch hit detection

One Thing

Reported bugs

1 issue
  • Incompatible with younger users due to payment requirements

Requested features

3 requests
  • Allow multiple activities per day
  • Add chores/cleaning/meal prep blocks
  • Option to add multiple blocks

In-app purchases

7 purchases

Reaction training.

Subscriptions2
  • Monthly subscription$1.991 Month
  • Annual subscription$5.991 Year
One-time5
  • VIP pass$3.99
  • VIP pass$6.99
  • VIP Access$7.99
Show 2 more
  • VIP pass$9.99
  • VIP pass$19.99
11 purchases

One Thing

Subscriptions11
  • One Thing (Full Access) (Weekly)$7.997 Days
  • Pro Plan Monthly$8.991 Month
  • One Thing (Weekly)$12.997 Days
Show 8 more
  • Pro Plan Yearly WB$21.901 Year
  • One Thing (Full Access) (Annual)$29.991 Year
  • One Thing (Yearly - BF)7 Days trial$29.991 Year
  • One Thing Annual7 Days trial$39.991 Year
  • Pro Plan Yearly$49.991 Year
  • One Thing (Yearly)7 Days trial$49.991 Year
  • One Thing (Yearly)7 Days trial$59.991 Year
  • One Thing Yearly7 Days trial$69.991 Year

Questions

Is Reaction training. free?
Reaction training. is free to download, with in-app purchases available.
Is One Thing free?
One Thing is free to download, with in-app purchases available.
Which has better reviews, Reaction training. or One Thing?
Reaction training. is rated higher. Reaction training. averages 4.8 out of 5 from 585 ratings, while One Thing averages 4.7 from 892 ratings.
Do Reaction training. or One Thing have ads?
Reaction training. shows ads; One Thing does not.
Which is updated more often, Reaction training. or One Thing?
Reaction training. ships an update monthly, and One Thing every 2 weeks. Most recently, Reaction training. was updated on November 1, 2026 and One Thing on October 25, 2026.

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