# HeartRay vs Studio 88

The clearest difference is in-app purchases: Studio 88 at none against HeartRay's 2. Studio 88 also leads on iOS requirement (15.1 vs 17.0). HeartRay's advantage is update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. HeartRay sells 2 in-app purchases, starting at $0.99 per month. Studio 88 asks for nothing beyond the download.

HeartRay ships an update every 2 days, Studio 88 every 3 months. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | HeartRay | Studio 88 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Size | 45 MB | 86 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crescent Mission LLC](https://appshunter.io/developer/1706754848) | [Spotbee, Inc.](https://appshunter.io/developer/1465231993) |

## What reviewers say

### HeartRay

[App page](https://appshunter.io/ios/app/heartray/id6475644879)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeartRay Plus | $0.99 | per month |
| HeartRay Plus | $9.99 | per year |


### Studio 88

[App page](https://appshunter.io/ios/app/studio-88/id6480235476)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is HeartRay free?

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

### Is Studio 88 free?

Studio 88 is free to download, with no in-app purchases.

### Do HeartRay or Studio 88 have ads?

Neither HeartRay nor Studio 88 shows ads.

### Which is updated more often, HeartRay or Studio 88?

HeartRay ships an update every 2 days, and Studio 88 every 3 months. Most recently, HeartRay was updated on October 14, 2026 and Studio 88 on September 27, 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.*