Comparison

Do Nothing. vs Smart 5min| 宅トレ

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

Head to head
About

Do Nothing.

This app encourages users to take a break from their busy lives and simply do nothing. It provides a dedicated space to rest the brain, organize thoughts, and assess feelings without the distraction of other applications. The goal is to promote mental well-being by allowing for moments of quiet reflection.

Highlights
  • Dedicated 'do nothing' time
  • Brain rest and relaxation
  • Thought organization
  • Feeling assessment
  • No other app usage rule
Read full description

I know this is sudden, but I have to ask... Do you sometimes feel a bit gloomy during the day? I do, sometimes. I can feel it coming on even now... It's not the biggest deal in the world, but I certainly feel better without it... Could you help get rid of my gloominess? I think we'll both feel better if we simply do nothing for a little while. By the way... I'll go ahead and explain a little bit about this app. In this hectic, overstimulated modern world, I think it would be good to take time out of your busy day and simply... Do Nothing. The brain needs its rest, too. It's the time when thoughts can be organized and feelings can be assessed. ... So let's Do Nothing. But there is one rule! No using other apps while you're Doing Nothing!

About

Smart 5min| 宅トレ

This app offers quick, 5-minute home workouts requiring no special equipment. It uses your device's camera for personalized AI-driven exercises based on heart rate, with privacy options to keep the camera off.

Highlights
  • 5-minute home workouts
  • No special equipment needed
  • Camera-off privacy option
  • AI personalized exercise suggestions
  • Heart rate measurement
  • Mental and physical training
Features
Read full description

「Smart 5min」は、自宅で簡単に始められる画期的なトレーニングアプリです。特別な器具や場所を必要とせず、わずか5分で完了するエクササイズを提供します。カメラをオフにして参加できるため、プライバシーを保ちながら、自宅のどこでも気軽に運動が可能です。 さらに、「Smart 5min」は専用デバイスを利用して心拍数を測定し、AIがパーソナライズされたエクササイズを提案します。 健康で活力に満ちた毎日を目指すなら、「Smart 5min」で肉体も精神も鍛え上げましょう。自宅で簡単、かつ楽しくトレーニングすることが可能です。

Screenshots

Do Nothing.4 screens
Smart 5min| 宅トレ4 screens

Verdict

The call

The clearest difference is in-app purchases: Smart 5min| 宅トレ at none against Do Nothing.'s 3. Smart 5min| 宅トレ also leads on ads (none vs shown) and update cadence (fortnightly vs every 7 months). Do Nothing.'s advantage is ratings volume (245 vs 4) and review sentiment (78% vs 57%). On price, device support and iOS requirement 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. Do Nothing. sells 3 one-off in-app purchases. Smart 5min| 宅トレ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Smart 5min| 宅トレ holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Do Nothing. has 245 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 78% of Do Nothing.'s written reviews are positive against 57% of Smart 5min| 宅トレ's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Do Nothing. ships an update every 7 months, Smart 5min| 宅トレ fortnightly. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

Scorecard7 real differences · 3 level
Do Nothing. versus Smart 5min| 宅トレ: the parameters behind the verdict, then further details
ParameterDo Nothing.Smart 5min| 宅トレ
PriceFreeFree
Rating4.8 (245 ratings)5.0 (4 ratings) — better
Positive reviews77.6% of reviews — better57.1% of reviews
Number of ratings245 — better4
Update frequencyEvery 7 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size39 MB246 MB
Age rating4+4+
Developerponos corporationissin Inc.

Customer experience

Do Nothing.

All ratings245 ratings
Positive94.3%
Neutral3.7%
Negative2.0%
Written reviews67 reviews
Positive77.6%
Neutral6.0%
Negative16.4%

Smart 5min| 宅トレ

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

In-app purchases

3 purchases

Do Nothing.

One-time3
  • Set Time Freely$0.99
  • No Ads$0.99
  • Focus Mode$0.99
None

Smart 5min| 宅トレ

No in-app purchases

Questions

Is Do Nothing. free?
Do Nothing. is free to download, with in-app purchases available.
Is Smart 5min| 宅トレ free?
Smart 5min| 宅トレ is free to download, with no in-app purchases.
Which has better reviews, Do Nothing. or Smart 5min| 宅トレ?
Smart 5min| 宅トレ is rated higher. Do Nothing. averages 4.8 out of 5 from 245 ratings, while Smart 5min| 宅トレ averages 5.0 from 4 ratings.
Do Do Nothing. or Smart 5min| 宅トレ have ads?
Do Nothing. shows ads; Smart 5min| 宅トレ does not.
Which is updated more often, Do Nothing. or Smart 5min| 宅トレ?
Do Nothing. ships an update every 7 months, and Smart 5min| 宅トレ fortnightly. Most recently, Do Nothing. was updated on September 25, 2026 and Smart 5min| 宅トレ on September 11, 2026.

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