# Singular Light vs SupplementStack

The clearest difference is in-app purchases: Singular Light at none against SupplementStack's 4. Singular Light also leads on iOS requirement (8.0 vs 15.0). SupplementStack's advantage is update cadence (every 2 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. SupplementStack sells 4 in-app purchases, starting at $4.99 per month. Singular Light asks for nothing beyond the download.

Singular Light ships an update every 8 months, SupplementStack every 2 days. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Singular Light | SupplementStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/singular-light/id1634611433/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 26 MB | 4 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CNOGA Medical Ltd.](https://appshunter.io/developer/1249224534) | [Nevo Solutions Inc](https://appshunter.io/developer/1879331980) |

## What reviewers say

### Singular Light

[App page](https://appshunter.io/ios/app/singular-light/id1634611433)

Easily track vital health information by connecting to medical devices. Monitor trends, view historical data, and securely share your health metrics with healthcare professionals.

**Highlights:** Connect CNOGA medical devices, Track blood pressure, Monitor oxygen saturation, View heart rate, Track trends over time, Share health data with professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### SupplementStack

[App page](https://appshunter.io/ios/app/supplementstack/id6783505437)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SupplementStack Plus | $4.99 | per month |
| SupplementStack Pro | $9.99 | per month |
| SupplementStack Plus Annual | $39.00 | per year |
| SupplementStack Pro Annual | $79.00 | per year |


## Frequently asked questions

### Is Singular Light free?

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

### Is SupplementStack free?

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

### Do Singular Light or SupplementStack have ads?

Neither Singular Light nor SupplementStack shows ads.

### Which is updated more often, Singular Light or SupplementStack?

Singular Light ships an update every 8 months, and SupplementStack every 2 days. Most recently, Singular Light was updated on September 16, 2026 and SupplementStack 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.*