Comparison

Nap Timer vs Ratio M8

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

Head to head
About

Nap Timer

This app helps you set timed alarms for power naps, preventing deep sleep and grogginess. It aims to boost alertness, productivity, and cognitive function through scientifically supported nap durations.

Highlights
  • Timed power nap alarms
  • Stopwatch functionality
  • Simple UI
  • Date and Time display
  • Stylish menu system
Features
Read full description

Feel ENERGIZED and REFRESHED with a Power Nap! Nap Timer allows you to fall asleep and wake up within a period of time. SCIENTIFICALLY PROVEN cientifically proven to improve cognitive function, increase productivity, and alertness while leaving you energized and refreshed. Nap Timer is the SIMPLE and FAST way to set an alarm for the ideal power nap. A study by NASA found a 26-minute power nap improved performance by 34% and alertness by 54%. The secret to successful power naps is not sleeping too much. It is advised not to sleep over 30 to 40 minutes, which at this point you enter a state of deep sleep. Waking up in deep sleep causes sleep inertia, leaving you feeling groggy, drowsy, and generally worse off than before the nap. Power Nap Timer prevents you from entering this state of sleep by limiting how many minutes you are allowed to set an alarm to wake up from your nap. 6 Benefits of Power Napping: 1. Reduces Stress 2. Increases alertness and productivity 3. Improves memory and learning 4. Increases cognitive functioning 5. Boosts creativity 6. Improves health Features: - Simple Easy to understand UI - Nap Timer - Stopwatch - Date and Time - Stylish Menu System

About

Ratio M8

Easily calculate the ideal coffee-to-water ratio for your brew. Input your coffee or water amount, and the app determines the perfect balance for your perfect cup. Includes a stopwatch for precise brewing control.

Highlights
  • Calculate coffee-to-water ratios
  • Input coffee bean amount
  • Input water amount
  • In-app stopwatch
  • Precise gram adjustments
Features
Read full description

Ratio M8 takes the guesswork out of making a perfect cup of coffee by allowing you to easily calculate the ideal coffee-to-water ratio. Features: • Set desired ratio: Choose the perfect coffee-to-water ratio that suits your taste and brewing method. • Enter amount of coffee beans: input the amount of coffee beans you have, and the app will calculate the appropriate amount of water to use. • Enter amount of water: simply enter the amount of water you want to use, and the app will calculate the required amount of coffee. • Use an in-app stopwatch to control brewing phases Extra usage tips: • Tap the left or right side of the slider to add or remove 0.1 gram. • Long tap the left or right side of the slider to add or remove 1 gram.

Screenshots

Nap Timer4 screens
Ratio M83 screens

Verdict

The call

The clearest difference is rating: Ratio M8 at 5.0 against Nap Timer's 2.0. Ratio M8 also leads on update cadence (every 16 months vs every 35 months). Nap Timer's advantage is iOS requirement (8.0 vs 13.0). On price, ratings volume, ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ratio M8 holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Nap Timer ships an update every 35 months, Ratio M8 every 16 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
Nap Timer versus Ratio M8: the parameters behind the verdict, then further details
ParameterNap TimerRatio M8
PriceFreeFree
Rating2.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 35 monthsEvery 16 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better13.0
Further details — not scored
Size28 MB17 MB
Age rating4+4+
DeveloperEmrah KavakAdventurous2 Ltd

Customer experience

Nap Timer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Ratio M8

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Nap Timer

No in-app purchases

None

Ratio M8

No in-app purchases

Questions

Is Nap Timer free?
Nap Timer is free to download, with no in-app purchases.
Is Ratio M8 free?
Ratio M8 is free to download, with no in-app purchases.
Which has better reviews, Nap Timer or Ratio M8?
Ratio M8 is rated higher. Nap Timer averages 2.0 out of 5 from 1 ratings, while Ratio M8 averages 5.0 from 1 ratings.
Do Nap Timer or Ratio M8 have ads?
Neither Nap Timer nor Ratio M8 shows ads.
Which is updated more often, Nap Timer or Ratio M8?
Nap Timer ships an update every 35 months, and Ratio M8 every 16 months. Most recently, Nap Timer was updated on September 26, 2026 and Ratio M8 on June 1, 2026.

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