# Burn · vs Cal Smart

The clearest difference is update cadence: Cal Smart at monthly against Burn ·'s every 8 months. Cal Smart also leads on rating (5.0 vs 4.7) and iOS requirement (15.5 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Burn · sells 3 in-app purchases, starting at $5.99 per 7 days and Cal Smart sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cal Smart holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

Burn · ships an update every 8 months, Cal Smart monthly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Burn · | Cal Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/burn/id6474222177/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cal-smart/id6737219020/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 3 MB | 135 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gabe Rogers](https://appshunter.io/developer/1584630702) | [Jienan Yao](https://appshunter.io/developer/994410104) |

## What reviewers say

### Burn ·

[App page](https://appshunter.io/ios/app/burn/id6474222177)

This app simplifies intermittent fasting and weight loss tracking. It offers an easy-to-use fasting timer, one-click weight logging with progress charts, and effortless BMI calculation to help you achieve your health goals.

**Highlights:** Simple fasting timer, One-click weight logging, Weight loss progress charts, Effortless BMI tracking, Goal setting for weight loss

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Monthly | $15.99 | per month |
| Annual | $49.99 | per year |


### Cal Smart

[App page](https://appshunter.io/ios/app/cal-smart/id6737219020)

Instantly analyze meals by taking a photo to get calorie and macronutrient breakdowns. Receive personalized health advice and track workouts for a holistic approach to wellness. View weekly reports to monitor progress and make informed dietary choices.

**Highlights:** Photo-based nutrient recognition, Personalized health advice, Integrated workout tracking, Weekly health reports, Simple and intuitive interface, Comprehensive health tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cal Smart Membership | $1.99 | per 7 days |
| Cal Smart Membership | $6.99 | per month |
| Cal Smart Membership | $24.99 | per year |


## Frequently asked questions

### Is Burn · free?

Burn · is free to download, with in-app purchases available.

### Is Cal Smart free?

Cal Smart is free to download, with in-app purchases available.

### Which has better reviews, Burn · or Cal Smart?

Cal Smart is rated higher. Burn · averages 4.7 out of 5 from 6 ratings, while Cal Smart averages 5.0 from 4 ratings.

### Do Burn · or Cal Smart have ads?

Neither Burn · nor Cal Smart shows ads.

### Which is updated more often, Burn · or Cal Smart?

Burn · ships an update every 8 months, and Cal Smart monthly. Most recently, Burn · was updated on October 7, 2026 and Cal Smart on October 8, 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.*