# Temple vs Change 66

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | Temple | Change 66 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/temple/id6741842895/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Free | — |
| Size | 139 MB | 59 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Temple Private Limited](https://appshunter.io/developer/1782892859) | [Svar TriFit Wellness Private Limited](https://appshunter.io/developer/1788605875) |

## What reviewers say

### Temple

[App page](https://appshunter.io/ios/app/temple/id6741842895)

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

**In-app purchases:** none


### Change 66

[App page](https://appshunter.io/ios/app/change-66/id6745732973)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*