Comparison

Stella vs Hardiness

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

Head to head
About

Stella

This app uses daily scans to help you understand your skin's condition and track changes over time. It connects skin health with lifestyle factors and wearable data, offering personalized insights to discover what works best for your skin.

Highlights
  • Daily skin scans
  • Track skin changes over time
  • Lifestyle and wearable data integration
  • Personalized skin insights
  • Product and habit logging
  • Gentle routine reminders
  • Dermatologist-developed framework
Features
Read full description

Track what your skin is actually doing. Most skincare apps tell you what to use. Stella shows you what your skin is doing over time, and now you can ask it about your skin. Scan your skin in seconds, track acne, pigmentation, signs of ageing and other visible changes, and see what's actually working. HOW STELLA WORKS Scan your skin in seconds A quick guided scan captures visible skin signals like acne, texture, tone and pigmentation. Track changes over time See how your skin evolves over time, not just in a single moment. Get your weekly skin report Clear, simple summaries show what's improving and what's not. See the full picture Track acne, pigmentation, texture, clarity ann one place. ASK STELLA (BETA) Ask questions about your own skin and get ansnot generic advice. - Which score should I focus on next? - Is my routine working? - Am I using my products the right way? - How do I start using a new product? - Where can I find my products for less? Stella picks out the one or two things worth changing, lays out how to use a product step by step, and keeps every conversation in its own thread so you can pick it up later. CONNECT YOUR LIFESTYLE Go beyond skincare. Stella connects with wearable and lifestyle data so you can see sleep, stress and daily habits alongside your skin over time. Turn your skin into a measurable signal, not BUILT FOR REAL SKIN - Track acne and visible skin changes - Monitor pigmentation, texture and tone over time - See ageing-related changes more clearly - Build your personal skin baseline - Ask questions about your own skin and routine - Connect lifestyle and wearable data - Private, secure and fully in your control Stella doesn't guess. It helps you see. Stella provides insights only and is not a medical device or diagnostic tool. Ask Stella does not give medical advice; for medical concerns, see a professional. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Hardiness

Features
Read full description

Hardiness provides you with all the information, resources, and tools that you need to build resilience and overcome the inevitable challenges of life.

Screenshots

Stella4 screens
Hardiness4 screens

Verdict

The call

The clearest difference is in-app purchases: Hardiness at none against Stella's 2. On price, update cadence, ads 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. Stella sells 2 in-app purchases, starting at $11.99 per month. Hardiness asks for nothing beyond the download.

UpkeepUpdate frequency

Stella ships an update every 8 days, Hardiness weekly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Stella versus Hardiness: the parameters behind the verdict, then further details
ParameterStellaHardiness
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 8 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size123 MB45 MB
Age rating17+4+
DeveloperSee Stella Pty LtdIvan Kulakovskiy

In-app purchases

2 purchases

Stella

Subscriptions2
  • Monthly Subscription$11.991 Month
  • Stella Premium14 Days trial$79.991 Year
None

Hardiness

No in-app purchases

Questions

Is Stella free?
Stella is free to download, with in-app purchases available.
Is Hardiness free?
Hardiness is free to download, with no in-app purchases.
Do Stella or Hardiness have ads?
Neither Stella nor Hardiness shows ads.
Which is updated more often, Stella or Hardiness?
Stella ships an update every 8 days, and Hardiness weekly. Most recently, Stella was updated on October 16, 2026 and Hardiness on October 6, 2026.

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