ChronoType vs Helio
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ChronoType
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Find the rhythm your body actually likes. ChronoType helps you discover whether youβre more Lion, Bear, Wolf, or Dolphin through a beautifully guided sleep and energy quiz. In just a few minutes, youβll get a personalized animal profile, learn when your focus naturally peaks, and see the daily rhythm your body tends to prefer. With ChronoType, you can: β’ Take a fast chronotype quiz β’ Discover your animal type and chronotype mix β’ Learn your ideal wake, focus, movement, and wind-down windows β’ Get practical guidance built around your natural timing β’ Save your result and reopen the app to your profile β’ Retake the quiz anytime as your routine changes β’ Share a beautiful chronotype card with friends Whether youβre an early starter, a balanced daytime type, a late creative, or a sensitive sleeper, ChronoType helps you work with your body instead of against it. ChronoType is a wellness and self-awareness app. It does not provide medical advice, diagnosis, or treatment.
Helio
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Most circadian rhythm advice assumes you live in one place, in one time zone, with a fixed routine. Helio doesn't. Built for digital nomads, frequent travelers, and anyone whose schedule doesn't follow a 9-to-5, Helio calculates your exact local sunrise and sunset using your GPS location. Then it tells you precisely when to get morning light, catch the afternoon sun, cut off caffeine, and start winding down. No fixed clock times. No generic advice. Just your actual solar schedule, recalculated automatically every time you change location. Why solar time, not clock time? Your circadian rhythm doesn't care what time zone you're in. It responds to light. A "get sunlight by 8am" rule means nothing if you just flew from Bangkok to Lisbon. Helio anchors every recommendation to the sun itself, so your schedule adapts the moment you do. What Helio tells you, every day: - Morning sunlight: when to get outside to anchor your circadian clock and trigger your natural cortisol rhythm - Afternoon sunlight: a second light exposure window that locks in your evening wind-down timing - Caffeine cutoff: calculated backward from your ideal sleep time, based on caffeine's actual half-life - Dim the lights: when to start reducing light exposure so melatonin can rise naturally Built with travelers in mind: Schedule recalculates automatically when you change location or time zone Gentle, optional daily reminders, never more than one per cue Clean, fast, no clutter Your privacy, respected: Helio uses your location only to calculate sunrise and sunset. It is never stored, never shared, never sold. No account required. No ads. Backed by the biology, explained simply: Every cue includes a short, clear explanation of the science behind it, because understanding why matters as much as knowing when. Whether you're chasing the perfect jet lag recovery, trying to build a sustainable routine while living out of a backpack, or simply want to understand your own body's rhythm a little better, Helio gives you a schedule that travels as well as you do.
Screenshots
Verdict
The clearest difference is iOS requirement: Helio at 13.0 against ChronoType's 26.2. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ChronoType | Helio |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod β better |
| Requires iOS | 26.2 | 13.0 β better |
| Further details β not scored | ||
| Size | 8 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Picard | Click Savvy Digital LLC |
In-app purchases
ChronoType
No in-app purchases
Helio
No in-app purchases









