# HeartRate vs 3D Spatial Imaging

The clearest difference is update cadence: 3D Spatial Imaging at every 11 days against HeartRate's every 37 months. HeartRate's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HeartRate ships an update every 37 months, 3D Spatial Imaging every 11 days. The most recent releases landed on September 5, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | HeartRate | 3D Spatial Imaging |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 11 days** |
| Size | 10 MB | 47 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [RITI Technology Inc.](https://appshunter.io/developer/369118660) | [文德 黎](https://appshunter.io/developer/1694930407) |

## What reviewers say

### HeartRate

[App page](https://appshunter.io/ios/app/heartrate/id1441755039)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Spatial Imaging

[App page](https://appshunter.io/ios/app/3d-spatial-imaging/id6754584449)

**In-app purchases:** none


## Frequently asked questions

### Is HeartRate free?

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

### Is 3D Spatial Imaging free?

3D Spatial Imaging is free to download, with no in-app purchases.

### Do HeartRate or 3D Spatial Imaging have ads?

Neither HeartRate nor 3D Spatial Imaging shows ads.

### Which is updated more often, HeartRate or 3D Spatial Imaging?

HeartRate ships an update every 37 months, and 3D Spatial Imaging every 11 days. Most recently, HeartRate was updated on September 5, 2026 and 3D Spatial Imaging on September 17, 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.*