Comparison

Hello Sun vs Bads

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

Head to head
About

Hello Sun

Track vitamin D intake from sunlight and supplements with safe, burn-aware timers. Offers personalized estimates and weekly progress tracking, adapting to your skin and location for optimal sun exposure.

Highlights
  • Safe sun session timers
  • Vitamin D IU estimates
  • Log supplements and sun
  • Adaptive acclimation
  • Weekly progress tracking
  • UV forecast planning
  • Winter Mode support
Features
Read full description

Hello Sun helps you track vitamin D from sunlight and supplements — with burn-aware timers that keep your skin safe. Built around a weekly rhythm (not daily perfection), Hello Sun makes it easy to stay consistent in real life. KEY FEATURES • Safe sun sessions: reliable timer, burn countdown, and clear warnings • Vitamin D estimates: live IU estimates during sessions + daily totals • Sun + supplements in one place: log supplements and see combined progress • Adaptive acclimation: learns from your history to fine-tune burn time for you • Weekly progress: rolling 7-day status, insights, and trends • Smart planning: UV forecasts + best windows based on your skin and location • Edit anything: adjust sessions and supplements for any day • Winter Mode: supports low-UV seasons and locations • Privacy-first: no ads and no selling data HELLO SUN PLUS Unlock extended planning, unlimited history, deeper insights, year views, and themes. Important: Hello Sun provides estimates, not medical advice. Always protect your skin and consult a healthcare professional for personalized guidance. For our Terms of Use (EULA), visit: https://termsofservice.hellosuntracker.com For our Privacy Policy, visit : https://privacy.hellosuntracker.com/

About

Bads

Features
Read full description

Most habit apps want you to quit. Bads just wants to help you understand yourself. Log what happened, when, and where - in a simple conversation that takes seconds. Over time, Bads finds the patterns you couldn't see yourself: the Friday mornings, the commute home, the specific places where certain habits tend to show up. And when a tough moment hits, Bads is ready. It surfaces strategies that have helped others in the same situation: breathing techniques, physical resets, harm reduction tips. Tailored to your habits, available right when you need them. No streaks to break. No shame. Just awareness, and the tools to do something with it. What Bads does: - Conversational logging - quick, calm, no forms - Pattern detection - In-the-moment coping strategies and guides - Curated reading from trusted health sources - Works for alcohol, tobacco, weed, gambling, and more Progress isn't always a straight line. Bads meets you where you are.

Screenshots

Hello Sun4 screens
Bads4 screens

Verdict

The call

The clearest difference is update cadence: Hello Sun at weekly against Bads's every 3 weeks. Hello Sun also leads on iOS requirement (13.0 vs 26.2). On price, ads, in-app purchases and device support 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. Hello Sun sells 2 in-app purchases, starting at $3.99 per month and Bads sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Hello Sun ships an update weekly, Bads every 3 weeks. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 7 level
Hello Sun versus Bads: the parameters behind the verdict, then further details
ParameterHello SunBads
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better26.2
Further details — not scored
Size62 MB17 MB
Age rating4+12+
DeveloperKyle BrammerOliver Dieke

In-app purchases

2 purchases

Hello Sun

Subscriptions2
  • Hello Sun Plus Monthly Subscription14 Days trial$3.991 Month
  • Hello Sun Plus Yearly Subscription14 Days trial$29.991 Year
3 purchases

Bads

One-time3
  • Small Tip$0.99
  • Medium Tip$3.99
  • Large Tip$8.99

Questions

Is Hello Sun free?
Hello Sun is free to download, with in-app purchases available.
Is Bads free?
Bads is free to download, with in-app purchases available.
Do Hello Sun or Bads have ads?
Neither Hello Sun nor Bads shows ads.
Which is updated more often, Hello Sun or Bads?
Hello Sun ships an update weekly, and Bads every 3 weeks. Most recently, Hello Sun was updated on October 12, 2026 and Bads on October 13, 2026.

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