Comparison

SleepRiddle vs Reaction Workout Timer

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

Head to head
About

SleepRiddle

Features
Read full description

Track your sleep. Understand what affects it. Sleep better. SleepRiddle helps you figure out why you sleep well some nights and poorly on others. No guessing. Just clear insights based on your actual sleep data and your daily habits. See your sleep stages - light, deep, and REM sleep broken down each night. Check your heart rate, breathing, and oxygen levels while you sleep. Review your sleep history by week, month, or year. Spot trends over time. See if changes you made actually helped. Compare this month to last month. Understand your long-term sleep patterns. Privacy You Can Trust - Your sleep data stays yours. Everything is stored privately on your device. No sharing with advertisers. No selling your information. All analysis happens right on your iPhone. Works With Your Apple Devices - Connects directly to Apple Health for accurate sleep tracking. Works with your iPhone alone, even better with an Apple Watch. All your health data in one place. Built For Real People - Large, easy-to-read text. Simple navigation. No complicated charts or confusing metrics. Just the information you need to sleep better. Smart Insights Without The Noise - Find patterns between your daily habits, like caffeine, alcohol, and meals, and your sleep quality. See what actually helps you rest better. Get personalized recommendations based on your data, not generic advice. What You Need - iPhone running iOS 17 or later. Permission to access Apple Health sleep data. That's it. Perfect For - People who want better sleep without wearables they don't already own. Anyone tired of apps that share their health data. Those who prefer simple, clear information over complicated reports. Download SleepRiddle and start understanding your sleep tonight. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Reaction Workout Timer

Features
Read full description

Enhance your reflexes and focus with Reaction Workout Timer that delivers structured timed drills using random cues and clear signals for boxing, MMA, and sports training. Set up sessions quickly with flexible rounds, rest periods, and interval controls tailored to your needs. Features include: Customizable rounds, round length, and rest intervals Random reaction cues with adjustable timing Bias settings for varied wait times Clear signals via beep, haptics, and bright green flash Warm-up rounds, rest cycles, and finish gong Pause, resume, skip, and quick reset controls Large timer display with progress indicator Offline functionality without account requirements Audio mixing compatible with headphones Train anywhere with crisp audio and visual cues that keep your reflex practice sharp and focused. Start improving your reaction speed and timing with every session.

Screenshots

SleepRiddle4 screens
Reaction Workout Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Reaction Workout Timer at none against SleepRiddle's 2. Reaction Workout Timer also leads on update cadence (every 3 weeks vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. SleepRiddle sells 2 in-app purchases, starting at $3.99 per month. Reaction Workout Timer asks for nothing beyond the download.

UpkeepUpdate frequency

SleepRiddle ships an update every 9 months, Reaction Workout Timer every 3 weeks. Both last shipped on October 30, 2026.

Scorecard2 real differences ยท 4 level
SleepRiddle versus Reaction Workout Timer: the parameters behind the verdict, then further details
ParameterSleepRiddleReaction Workout Timer
PriceFreeFree
Update frequencyEvery 9 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.0 โ€” better18.2
Further details โ€” not scored
Size15 MB5 MB
Age rating4+4+
DeveloperS Ravi ShankarHitfire Production AB

In-app purchases

2 purchases

SleepRiddle

Subscriptions2
  • Monthly Subscription7 Days trial$3.991 Month
  • Yearly7 Days trial$12.991 Year
None

Reaction Workout Timer

No in-app purchases

Questions

Is SleepRiddle free?
SleepRiddle is free to download, with in-app purchases available.
Is Reaction Workout Timer free?
Reaction Workout Timer is free to download, with no in-app purchases.
Do SleepRiddle or Reaction Workout Timer have ads?
Neither SleepRiddle nor Reaction Workout Timer shows ads.
Which is updated more often, SleepRiddle or Reaction Workout Timer?
SleepRiddle ships an update every 9 months, and Reaction Workout Timer every 3 weeks. Most recently, SleepRiddle was updated on October 30, 2026 and Reaction Workout Timer on October 30, 2026.

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