Comparison

HealingOnly vs SunSync

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

Head to head
About

HealingOnly

Features
Read full description

Track your moods, understand your mind.ย  Discover the patterns of your emotional world by logging your feelings, thoughts and activities. Our app helps you visualize your unique daily rhythms and weekly emotional shifts, revealing how specific activities and even your menstrual cycle can influence how you feel. Gain deeper insight with two key metrics: your Mood Score, which reflects your overall emotional well-being, and Mood Stability, which measures the consistency of your emotions. Disclaimer: This app is not a substitute for professional medical advice. Consult a doctor before making medical decisions. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SunSync

Features
Read full description

Always tired, waking groggy, or struggling to fall asleep? The cause might be simpler than you think โ€” your morning light routine. SunSync syncs your day to the sun. Track sunlight exposure, estimate your vitamin D intake, and get personalized circadian rhythm guidance โ€” all based on your real location and habits. Your body clock controls your sleep, energy, mood, and focus. SunSync helps you work with it โ€” not against it. With SunSync you can: - Track sunlight exposure and daily light habits โ€” know when you've hit your target - Estimate vitamin D from sun exposure based on your skin type and location - Log supplements and monitor your total daily intake - Follow personalized circadian recommendations for your schedule - Discover your best sunlight windows โ€” and when to avoid the UV index - Build routines to improve sleep and melatonin production naturally - Set smart reminders for sunrise, sunset, and wind-down time - Add a home screen widget โ€” see your vitamin D window at a glance, without opening the app - View history and long-term trends to see your progress Built for the biohacking community โ€” and anyone who just wants to feel better. Whether you're optimizing for performance or simply tired of being tired, SunSync gives you the sunlight data your wellness routine has been missing. Vitamin D tracking, body clock alignment, supplement logging, and a home screen widget showing your vitamin D window โ€” in one app. Disclaimer: SunSync provides estimates and general wellness guidance. It is not a medical device and does not replace professional medical advice. Terms: https://martarodriguezm.github.io/SunSyncLegal/terms.html Privacy Policy: https://martarodriguezm.github.io/SunSyncLegal/privacy.html

Screenshots

HealingOnly4 screens
SunSync4 screens

Verdict

The call

The clearest difference is in-app purchases: HealingOnly at none against SunSync's 2. HealingOnly also leads on update cadence (every 2 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. SunSync sells 2 in-app purchases, starting at $1.99 per year. HealingOnly asks for nothing beyond the download.

UpkeepUpdate frequency

HealingOnly ships an update every 2 days, SunSync every 3 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard4 real differences ยท 2 level
HealingOnly versus SunSync: the parameters behind the verdict, then further details
ParameterHealingOnlySunSync
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 3 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.6 โ€” better17.6
Further details โ€” not scored
Size47 MB22 MB
Age rating4+4+
DeveloperStoryTreatMarta Rodriguez

In-app purchases

None

HealingOnly

No in-app purchases

2 purchases

SunSync

Subscriptions1
  • Year3 Days trial$1.991 Year
One-time1
  • Lifetime$2.99

Questions

Is HealingOnly free?
HealingOnly is free to download, with no in-app purchases.
Is SunSync free?
SunSync is free to download, with in-app purchases available.
Do HealingOnly or SunSync have ads?
Neither HealingOnly nor SunSync shows ads.
Which is updated more often, HealingOnly or SunSync?
HealingOnly ships an update every 2 days, and SunSync every 3 weeks. Most recently, HealingOnly was updated on October 15, 2026 and SunSync on October 11, 2026.

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