# Heart Tempo vs KetoTracker

The clearest difference is price: Heart Tempo at Free against KetoTracker's $1.99. Heart Tempo also leads on iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Heart Tempo is free to download; KetoTracker costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Heart Tempo | KetoTracker |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ketotracker/id6757622769/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Paid |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Luigi Mazzeo](https://appshunter.io/developer/1526107726) | [Exapp Pty Ltd](https://appshunter.io/developer/1867892079) |

## What reviewers say

### Heart Tempo

[App page](https://appshunter.io/ios/app/heart-tempo/id1615152169)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### KetoTracker

[App page](https://appshunter.io/ios/app/ketotracker/id6757622769)

Monitor your ketogenic lifestyle by tracking blood sugar, ketone levels, and glucose-ketone ratio. Optimize your metabolic state with this comprehensive health tool. It offers a one-time purchase for full access.

**Highlights:** Track blood sugar levels, Monitor ketone levels, Calculate glucose-ketone ratio, Optimize metabolic state, One-time purchase

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heart Tempo free?

Heart Tempo is free to download, with no in-app purchases.

### Is KetoTracker free?

KetoTracker costs $1.99, with no in-app purchases.

### Do Heart Tempo or KetoTracker have ads?

Neither Heart Tempo nor KetoTracker shows ads.

### Which is updated more often, Heart Tempo or KetoTracker?

Heart Tempo ships an update every 2 months, and KetoTracker every 2 months. Most recently, Heart Tempo was updated on November 7, 2026 and KetoTracker on November 13, 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.*