Comparison

Klarstein vs One Clear Day

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

Head to head
About

Klarstein

Control and monitor your smart home devices remotely from anywhere in the world. Organize devices by room, track real-time temperature and humidity, and receive updates on sales and customer support.

Highlights
  • Remote device control
  • Real-time temperature/humidity monitoring
  • Room organization
  • Device setup guides
  • Sales and support information
Features
Read full description

Connect smart Klarstein devices, control and monitor them remotely from everywhere in the world only through the Klarstein app. Key features at your disposal in Klarstein App: Connect your smart Klarstein devices in a couple of taps: • Control and monitor your smart Klarstein devices using this app from everywhere, either from your office or travelling around the world. All you need is internet access. • Depending on your smart device, seamlessly monitor the real-time temperature and humidity and set your desired parameter with only a few taps. • Create different rooms in your apartment, e.g. living room, bedrooms, etc, and specify in which room your smart device is located. In this way, you can keep track of temperature and humidity in different areas of your apartment. • Make a tour through the app with our guides! We make sure you know how to use the app and its different features. Stay tuned with us: • Find information about our upcoming sales. • Stay in touch with our customer support and let us know how you like our app. Some features may not be available for all products. We update the app regularly so you can get the most out of your products. Send us a message: appsupport@go-bbg.com • • • Klarstein stands for innovative Modern Living products designed in Berlin. Klarstein's broad product range includes strong household helpers of all kinds: from kitchen appliances to home appliances to climate control products, everything is available. Through exciting colours, innovative technology and unique styles, the products of Klarstein fit seamlessly into the individual living ambience and become indispensable companions in the everyday life of our customers. At Klarstein, the slogan "time for variety" is both a claim and a guiding principle, which runs like a red thread through the entire product portfolio.

About

One Clear Day

This app offers a calm daily system to help you do less on purpose. It guides you to choose an identity, take one meaningful action, and reflect without pressure or gamification. The focus is on integrity and self-trust, not constant self-improvement.

Highlights
  • Choose one daily identity
  • Take one meaningful action
  • Protected focus mode
  • Reflect and subtract
  • No streaks or gamification
  • Offline-first data storage
Features
Read full description

One Clear Day Most apps ask you to do more. This one helps you do less — on purpose. One Clear Day is a calm daily system for people who feel overwhelmed by goals, habits, and constant self-improvement. It isn’t a to-do list. It isn’t a habit tracker. It doesn’t measure you. Instead, it helps you decide who you are today, take one meaningful action, and then close the day cleanly. ----- How it works Each day follows the same simple rhythm. Choose what matters You select one identity for the day — not a goal, but a way of being. Do one small, meaningful action A single action that takes 5–15 minutes. No stacking. No optimisation. Just one thing that counts. Act with protected focus A calm focus mode helps you finish without distraction or pressure. Reflect and subtract At the end of the day, you close the loop with a short, neutral review — and let go of what didn’t matter. That’s it. No streaks to protect. No guilt for missed days. No noise. ----- What makes this different • One identity. One action. One clear day. • No streaks, points, badges, or gamification • Reflection instead of metrics and dashboards • Private by default — no social feeds or comparison • Offline-first. Your data stays on your device • Calm, minimal design that reduces cognitive load This app is built around self-trust, not motivation. ----- Who this is for One Clear Day is for people who: • Feel overwhelmed by productivity systems • Are tired of streaks and constant optimisation • Want calm follow-through instead of pressure • Care more about integrity than output • Prefer simplicity over features If you’re looking for reminders, gamification, or motivational coaching, this probably isn’t for you. ----- Free to start, optional depth The free version includes the full daily experience: • Daily identity and action • Focus mode • Reflection • 7 days of history Premium adds deeper reflection and longer history, but the core experience is complete without it. One clear day is enough. You don’t need a perfect system. You just need one clear day. You don’t need to fix everything. ----- Why this works One Clear Day isn’t built around motivation, streaks, or pressure. It’s built around a simple idea: identity shapes behaviour, and small actions build trust. Instead of tracking everything you do, the app helps you: • choose who you’re being today • take one small action that aligns with that choice • reflect without judgement • start again tomorrow, cleanly Missed days don’t break anything. There’s no catching up. No guilt. No score to protect. If this feels too simple, that’s intentional. This app is for people who want fewer decisions and better ones.

Screenshots

Klarstein4 screens
One Clear Day4 screens

Verdict

The call

The clearest difference is review sentiment: One Clear Day at 100% against Klarstein's 53%. On price, ads, in-app purchases and monetization model 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.

Scorecard1 real difference · 9 level
Klarstein versus One Clear Day: the parameters behind the verdict, then further details
ParameterKlarsteinOne Clear Day
PriceFreeFree
Rating4.3 (30 ratings) — better—
Positive reviews53.2% of reviews100.0% of reviews — better
Number of ratings30 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size254 MB35 MB
Age rating12+4+
DeveloperChal-Tec GmbHPPS Digital Marketing Ltd

Customer experience

Klarstein

All ratings30 ratings
Positive83.3%
Neutral3.3%
Negative13.3%
Written reviews111 reviews
Positive53.2%
Neutral12.6%
Negative34.2%

One Clear Day

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Klarstein

Reported bugs

36 issues
  • App crashes after update
  • Schedules ignored or reset randomly
  • Devices turn on/off randomly
  • Temperature settings are random
  • App does not work after update
Show 31 more
  • Cannot log in
  • QR code scanning issues
  • Timers/countdown feature broken
  • Lost previous schedules after update
  • Cannot set timers for less than an hour
  • Previous schedule settings deleted after update
  • Cannot apply scheduled times for more than one day
  • App freezes or shows endless loading
  • Devices disappear from app after update
  • Cannot add devices back after update
  • UI text overlaps
  • Humidity display incorrect and setting changes result in incorrect values
  • Stecker-Reaktor not supported
  • App requires reinstallation to work
  • Login issues after update
  • Wi-Fi connection issues
  • Password change not possible
  • Ventilation speed adjustment missing in refresh mode
  • App loses connection to devices
  • Error when accessing link
  • Cannot reset password
  • App not supporting English
  • Incorrect time selection in scheduler
  • Device not in list
  • Air fryer not supported
  • Blank screens and half visible wording
  • Crashing all the time
  • Cannot connect to WiFi
  • UI improvements needed for schedule process
  • Auto mode disables manual schedule switching
  • New scheduler is unfriendly

Requested features

11 requests
  • Dark mode
  • Power consumption monitoring
  • Siri/HomeKit integration
  • Ability to select multiple devices for scenes
  • Remove sound on radiator
Show 6 more
  • Widgets for the app
  • Customizable presets
  • Ability to disable open window detection permanently
  • HomeKit or Matter update
  • Copy day option for schedules
  • More recipes for milk maker

One Clear Day

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Klarstein

No in-app purchases

None

One Clear Day

No in-app purchases

Questions

Is Klarstein free?
Klarstein is free to download, with no in-app purchases.
Is One Clear Day free?
One Clear Day is free to download, with no in-app purchases.
Do Klarstein or One Clear Day have ads?
Neither Klarstein nor One Clear Day shows ads.

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