StayGray vs Kairoscope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StayGray
This app helps reduce screen time by automatically switching your device to grayscale. You can customize when color is allowed, set schedules, and track your progress in reducing usage.
- Automatic grayscale switching
- Customizable color exceptions
- Scheduled monochrome periods
- Location-based color activation
- Progress tracking for screen time
- Color breaks for temporary color access
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StayGray automatically switches your iPhone to grayscale, so apps feel less magnetic and you scroll less. Your screen stays black and white by default, and you decide when color is allowed. WHY GRAYSCALE Colorful interfaces are built to grab your attention. Take the color away and the little “reward hit” gets weaker, which makes it easier to stop the endless checking without blocking any apps. CONTROL WHEN COLOR IS ALLOWED • Schedules: set work hours, evenings, or bedtime for monochrome • App exceptions: keep Maps, Camera, Photos, or any app in color • Locations: turn color on automatically at home, at work, or at the gym • Color breaks: switch to full color for a bit, then go back to gray automatically TRACK YOUR PROGRESS See how your habits change over time and estimate how much screen time you save by staying in black and white. PRIVACY FIRST No accounts. No ads. No tracking. StayGray does not collect, store, or transmit personal data. Privacy policy: https://www.staygray.app/privacy/en.html Terms: https://www.staygray.app/terms/en.html
Kairoscope
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Kairoscope is a visual day planner that turns your time into a colorful clock you can read in a second. See where your hours actually go, plan without staring at a list, and stay in tune with your energy. WHY A CLOCK, NOT A LIST A calendar hands you rows to decode. Kairoscope draws the same schedule as a ring of colored arcs, so one glance tells you what is happening now, what is next, and where you are genuinely free. PLAN VISUALLY • See everything as a 12- or 24-hour clock, so an overloaded morning is obvious before you live it • Color-code events into categories and watch where your time really goes • Drag on the ring to create and move events, faster than filling in a form • Repeats, preparation buffers and free-slot suggestions keep the plan honest CAPTURE IT BEFORE IT IS GONE • Add events by typing or by voice in seconds • Turn a stream of thoughts into scheduled tasks, so nothing stays stuck in your head • Photograph a timetable and Kairoscope reads it for you (Premium) • Park untimed tasks in a backlog until they are ready to land ARRIVE WITHOUT THE PANIC • Reminders before something starts or ends, so nothing sneaks up on you • Departure suggestions tell you when to leave to be on time • Quiet hours keep your evenings yours PROTECT YOUR ENERGY • Give events a cost in spoons and set a budget you can actually afford • Name how you feel in two taps: pick a corner of the square, refine only if you want to • Learn across weeks what lifts you and what drains you SEE THE BIG PICTURE • Time by category, by date, by week • Workload, trends and a heatmap show the patterns you cannot feel from inside • Sleep insights when the data is there SHARE WITHOUT THE BACK-AND-FORTH • Share plans with family and friends • View-only or full collaboration, your call • Find a slot that works for everyone in one step CONNECT • Import Google and Microsoft calendars (read-only) MAKE IT YOURS • Light, dark and colorful themes • 12/24-hour time, Ukrainian and English • Readability mode and a dyslexia-friendly font • Templates for the routines you repeat PRIVACY FIRST Your mood journal stays on your device. You choose what to share, and you can export or delete everything whenever you want. EVIDENCE, NOT CLAIMS An in-app Evidence section shows the research each feature rests on, with links — and says plainly where that evidence stops. KAIROSCOPE PREMIUM The essentials are free. Premium unlocks every AI tool and advanced collaboration. Plan your time. Protect your energy. Kairoscope. Terms of Use: https://kairoscope.online/terms.html Privacy Policy: https://kairoscope.online/privacy.html
Screenshots
Verdict
The clearest difference is iOS requirement: Kairoscope at 16.4 against StayGray's 18.0. On price, update cadence, 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
Both are free to download. StayGray sells 3 in-app purchases, starting at $1.99 per month and Kairoscope sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
StayGray ships an update fortnightly, Kairoscope every 10 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.
| Parameter | StayGray | Kairoscope |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 21 MB | 68 MB |
| Age rating | 12+ | 4+ |
| Developer | MATTHIAS NEUWIRTH | Yevhen Orestov |
In-app purchases
StayGray
- Monthly Subscription$1.991 Month
- StayGray Plus$8.991 Year
- StayGray Plus: Lifetime$24.99
Kairoscope
- Місяць$2.991 Month
- Рік$14.991 Year









