# Singular Light vs NextDayDoctor

The clearest difference is ads: Singular Light at none against NextDayDoctor's shown. Singular Light also leads on iOS requirement (8.0 vs 17.5). NextDayDoctor's advantage is update cadence (every 3 months vs every 8 months). On price, 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.

Singular Light ships an update every 8 months, NextDayDoctor every 3 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Singular Light | NextDayDoctor |
| --- | --- | --- |
| 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 | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 26 MB | 8 MB |
| Requires iOS | **8.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [CNOGA Medical Ltd.](https://appshunter.io/developer/1249224534) | [Strongwork LLC](https://appshunter.io/developer/1759183118) |

## 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


### NextDayDoctor

[App page](https://appshunter.io/ios/app/nextdaydoctor/id6743442777)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Singular Light free?

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

### Is NextDayDoctor free?

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

### Do Singular Light or NextDayDoctor have ads?

NextDayDoctor shows ads; Singular Light does not.

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

Singular Light ships an update every 8 months, and NextDayDoctor every 3 months. Most recently, Singular Light was updated on October 3, 2026 and NextDayDoctor on October 9, 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.*