Comparison

Temple vs Change 66

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

Head to head
About

Temple

This app provides continuous health and wellness insights to help you understand your body's performance and long-term health patterns. It measures your body's real-time cost to stay alive and offers personalized recommendations for sustained performance.

Highlights
  • Continuous health and wellness insights
  • Measures real-time body cost (Entropy)
  • Personalized insights and recommendations
  • Focus on rest, recovery, and activity
  • 24/7 wearability
  • Secure and private health data
Read full description

Temple is a wearable built for high-performing individuals. It brings together continuous health and wellness insights to help you better understand your body, how you perform every day, and the patterns that shape your long-term health. It measures Entropy, the real-time cost your body pays to keep you alive, right now. Temple is lightweight, comfortable and designed for 24/7 wear, capturing physiological signals with minimal interruption to your day. It is worn on the temple using skin-friendly adhesives called Grips. The Temple app gives you a deep dive into your metrics alongside proprietary insights across rest, recovery, activity and overall wellbeing. Personalised insights and recommendations help you understand your unique patterns and build habits that support sustained performance. Small enough to disappear into your day, powerful enough to reveal what you may not have known about your body. With Temple, you can build the habits and behaviours that help you become and stay exceptional for decades. Disclaimer: Temple is intended for general fitness and wellness purposes only. It is not a medical device and is not intended to diagnose, treat, cure, prevent or monitor any disease or medical condition. Entropy and Brain Flow are proprietary wellness metrics, not medical measurements. Always consult a doctor before making health-related decisions. Your health data is kept secure and never shared with third parties.

About

Change 66

Features
Read full description

Track your daily habits effortlessly using NFC. Just tap your phone on an NFC tag to instantly log your routine—no need to open the app or write anything down. Whether it’s drinking water, working out, reading, or taking your vitamins, our app makes consistency easy. Set up personalised habits, view your progress at a glance, and stay motivated with streaks and visual feedback. Optional reminders help you stay on track without getting in your way.

Screenshots

Temple4 screens
Change 664 screens

Verdict

The call

The clearest difference is update cadence: Temple at every 3 days against Change 66's every 4 weeks. Change 66's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Temple ships an update every 3 days, Change 66 every 4 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 6 level
Temple versus Change 66: the parameters behind the verdict, then further details
ParameterTempleChange 66
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size139 MB59 MB
Age rating4+4+
DeveloperTemple Private LimitedSvar TriFit Wellness Private Limited

In-app purchases

None

Temple

No in-app purchases

None

Change 66

No in-app purchases

Questions

Is Temple free?
Temple is free to download, with no in-app purchases.
Is Change 66 free?
Change 66 is free to download, with no in-app purchases.
Do Temple or Change 66 have ads?
Neither Temple nor Change 66 shows ads.
Which is updated more often, Temple or Change 66?
Temple ships an update every 3 days, and Change 66 every 4 weeks. Most recently, Temple was updated on October 15, 2026 and Change 66 on October 1, 2026.

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