KRONO vs SkyRhythm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KRONO
Optimize your sleep with this app designed for cabin crew. Enter your flight number to get a personalized sleep plan, calculate time zone shifts, and receive guidance on when to sleep and wake during layovers. Includes sleep meditations and breathing exercises to combat fatigue.
- Flight number lookup
- Jetlag calculation
- Personalized sleep plans
- Layover sleep guidance
- Sleep meditations
- Breathing exercises
- Flight history
Read full descriptionHide full description
Kabin ekibi için tasarlanmış uyku optimizasyon uygulaması. Uçuş numaranı gir, KRONO rotanı tanısın. Saat farkını hesaplasın, sana özel bir uyku planı çıkarsın. Layoverde ne zaman yatacağını, ne zaman kalkacağını artık tahmin etmek zorunda değilsin. Ne yapabilirsin? — Uçuş numarasıyla anında rota sorgulama — Gidiş-dönüş bazlı jetlag hesaplama — "Ne zaman uyumalıyım?" sorusuna net cevap — Layover uyku planı & optimal uyanma saati — Uyku meditasyonları ve nefes egzersizi — Uçuş geçmişi ve jetlag istatistikleri Yıllarca birikmiş yorgunluğa karşı ilk adım. KRONO, uykunu ciddiye alır. The sleep optimizer built for cabin crew. Enter your flight number and KRONO does the rest. It calculates the time zone shift, builds your personal sleep plan, and tells you exactly when to sleep and wake up during your layover. What you can do: — Instant flight lookup by flight number — Jetlag calculation for outbound & return flights — Clear answer to "when should I sleep?" — Layover sleep plan with optimal wake time — Sleep meditations & breathing exercises — Flight history and jetlag statistics Years of accumulated fatigue start with one bad layover. KRONO takes your sleep seriously.
SkyRhythm
Read full descriptionHide full description
SkyRhythm is an offline-first wellness companion designed for cabin crew, pilots, and frequent flyers. UNDERSTAND YOUR RHYTHM Track sleep, recent flights, circadian timing, duty load and jet lag in one clear fatigue score. Daily guidance helps you recognize what is affecting your recovery. PLAN EVERY FLIGHT Enter your route, flight duration and layover to receive practical jet lag and rest guidance. The Crew Rest planner creates clear group schedules with handover gaps for long-haul duties. RECOVER IN MINUTES Use hydration tracking, breathing exercises, pre-flight warm-ups, in-flight mobility routines and short mental exercises designed for cabin life. EAT FOR YOUR CURRENT NEED Get meal ideas matched to recovery, energy, sleep support, light meals or snacks. Choose from cuisines around the world, including Turkish, Kazakh, West African and East African options. PERSONALIZED AND PRIVATE Choose your home base, city, cuisine preference, language and sleep target. Your profile, sleep, flight and wellness records remain on your device. SkyRhythm does not use advertising trackers and does not require an account. SkyRhythm provides information for general wellness awareness and is not medical advice.
Screenshots
Verdict
KRONO and SkyRhythm are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | KRONO | SkyRhythm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 92 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | umit yasar akkaya | MELIK KILIC |
In-app purchases
KRONO
No in-app purchases
SkyRhythm
No in-app purchases









