Comparison

Random Timer vs Reaction Timer Training

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

Head to head
About

Random Timer

This app provides customizable timers for various training activities, including sprints, shadow boxing, and agility drills. Users can set time intervals, choose signal types, select sounds, and even use custom voice signals for solo workouts.

Highlights
  • Customizable time settings
  • Choice of signal types
  • Selectable sound options
  • Add favorite words as signals
  • Ideal for solo training
Features
Read full description

Lets use for a dash, training of a shadow, or training of quick power and instantaneous power. Lets use as a signal when training alone. ・A setup of time can be performed. ・The kind of signal can be chosen. ・The kind of sound can be chosen. ・You can use to signal the favorite words. ーーーーーーーーーーーーーーーーーーーーーーーーーーーー ダッシュやシャドー,ペイントボールのトレーニング、または俊敏力、瞬発力のトレーニングに使ってみましょう。 一人でトレーニングする時の合図として利用しましょう。 ・時間設定ができるよ。 ・合図の種類が選べるよ。 ・音の種類が選べるよ。 ・好きな言葉を合図に追加できるよ。

About

Reaction Timer Training

Enhance your cognitive and physical performance with this reaction training app. Improve reaction time, decision-making, and coordination using customizable drills and Apple Watch integration. Track progress and sync data with the Health app.

Highlights
  • Improve reaction time
  • Enhance decision time
  • Develop peripheral vision
  • Boost coordination and speed
  • Customizable training drills
  • Apple Watch integration
  • Health app sync
Features
Read full description

# Reaction Timer Training ## Train Faster. React Smarter. Unlock your brain's full potential with **Reaction Timer Training**—the ultimate app for improving reaction speed, decision-making, focus, and cognitive performance. Unlike many reaction training apps, **no additional hardware is required**. All you need is your **iPhone or iPad** to start training anywhere, anytime. Expand your training even further by connecting **up to five additional iOS devices**, allowing you to create more dynamic and challenging reaction exercises. Control your training effortlessly with the **Apple Watch** companion app, which lets you start, pause, and manage sessions directly from your wrist while your iPhone runs the workout. ## Science-Backed Performance Training Scientific research has shown that elite sports performance depends not only on physical ability but also on sensory and cognitive skills. Athletes who can quickly identify relevant information, make faster decisions, and execute the appropriate response gain a significant competitive advantage. Reaction time, anticipation, and decision-making are essential components of high-level athletic performance—and they can all be trained. ## Improve Your: * Reaction Time * Decision-Making Speed * Peripheral Vision * Hand-Eye Coordination * Speed * Agility Reaction speed is a trainable skill. Regular practice can help improve how quickly you perceive, process, and respond to visual and auditory stimuli. ## Ready-to-Use Training Library Start immediately with a growing library of professionally designed training sessions. With a **Premium Subscription**, you'll unlock the complete training library and advanced customization features. You can: * Customize any predefined training. * Create unlimited custom workouts. * Configure exercises using: * Colors * Sounds * Arrows * Numbers * Letters * Images * And more. ## Powerful Interval Training Create training sessions that perfectly match your goals. Configure: * Work and rest intervals * Multiple training cycles * Different timings for each cycle * Different reaction stimuli for every phase Whether you need simple interval workouts or complex sport-specific reaction drills, Reaction Timer Training gives you complete control over every session. ## Perfect for Athletes and Coaches Reaction Timer Training is designed for athletes of all levels, as well as coaches looking to improve their athletes' reaction speed, decision-making, and cognitive performance. Whether you train individually or with a team, the app provides powerful tools to develop faster reactions and smarter decisions. Challenge yourself. Train your brain. Elevate your performance. ## Apple Health Integration Reaction Timer Training integrates with **Apple Health** to automatically record your workouts and keep track of your training activity. ## Learn More Reaction Timer Training Website: https://hmap13.wixsite.com/reactiontimer Terms of Service: https://hmap13.wixsite.com/reactiontimer/terms-of-use Privacy Policy: https://hmap13.wixsite.com/reactiontimer/privacy-policy

Screenshots

Random Timer4 screens
Reaction Timer Training4 screens

Verdict

The call

The clearest difference is review sentiment: Random Timer at 50% against Reaction Timer Training's 0%. Random Timer also leads on in-app purchases (none vs 1) and ads (none vs shown). Reaction Timer Training's advantage is rating (2.3 vs 1.7) and update cadence (every 3 months vs every 7 months). On price 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. Reaction Timer Training sells 1 in-app purchase, starting at $1.99 per month. Random Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Reaction Timer Training holds the better App Store score, 2.3 against 1.7. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews complicate that: 50% of Random Timer's written reviews are positive against 0% of Reaction Timer Training's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Random Timer ships an update every 7 months, Reaction Timer Training every 3 months. The most recent releases landed on September 27, 2026 and September 18, 2026 respectively.

Scorecard8 real differences · 2 level
Random Timer versus Reaction Timer Training: the parameters behind the verdict, then further details
ParameterRandom TimerReaction Timer Training
PriceFreeFree
Rating1.7 (17 ratings)2.3 (4 ratings) — better
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings17 — better4
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS5.1.1 — better15.0
Further details — not scored
Size9 MB35 MB
Age rating4+4+
Developer2kaMillionTask, Unipessoal, Lda

Customer experience

Random Timer

All ratings17 ratings
Positive17.6%
Neutral5.9%
Negative76.5%
Written reviews34 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Reaction Timer Training

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Random Timer

No in-app purchases

1 purchases

Reaction Timer Training

Subscriptions1
  • Premium Auto Renewable Subs$1.991 Month

Questions

Is Random Timer free?
Random Timer is free to download, with no in-app purchases.
Is Reaction Timer Training free?
Reaction Timer Training is free to download, with in-app purchases available.
Which has better reviews, Random Timer or Reaction Timer Training?
Reaction Timer Training is rated higher. Random Timer averages 1.7 out of 5 from 17 ratings, while Reaction Timer Training averages 2.3 from 4 ratings.
Do Random Timer or Reaction Timer Training have ads?
Reaction Timer Training shows ads; Random Timer does not.
Which is updated more often, Random Timer or Reaction Timer Training?
Random Timer ships an update every 7 months, and Reaction Timer Training every 3 months. Most recently, Random Timer was updated on September 27, 2026 and Reaction Timer Training on September 18, 2026.

Other comparisons