# Celeste+ vs Nidra Technician

The clearest difference is update cadence: Celeste+ at fortnightly against Nidra Technician's every 4 months. Celeste+ also leads on chart position (#101 vs unranked). Nidra Technician's advantage is iOS requirement (13.0 vs 15.1). 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.

Celeste+ ships an update fortnightly, Nidra Technician every 4 months. The most recent releases landed on October 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Celeste+ | Nidra Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (48 ratings)](https://appshunter.io/ios/app/celeste-plus/id6476420994/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Best chart rank | **#101** | — |
| Size | 45 MB | 38 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [EnsoData, Inc.](https://appshunter.io/developer/1709214460) | [Noctrix Health, Inc.](https://appshunter.io/developer/1501423419) |

## What reviewers say

### Celeste+

[App page](https://appshunter.io/ios/app/celeste-plus/id6476420994)

**Currently charting:** #101 Top Free · Medical (US App Store)

This medical app facilitates home sleep testing by pairing with FDA-cleared devices. It records sleep data using your smartphone's microphone and Bluetooth pulse oximeter. Board-certified sleep doctors analyze the collected signals to diagnose sleep disorders and recommend treatments.

**Highlights:** Home sleep testing, Bluetooth pulse oximeter pairing, Smartphone microphone recording, FDA-cleared technology, Sleep disorder diagnosis, Sleep doctor consultation

**Features:** macOS Compatibility

**In-app purchases:** none


### Nidra Technician

[App page](https://appshunter.io/ios/app/nidra-technician/id6753635221)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Celeste+ free?

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

### Is Nidra Technician free?

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

### Do Celeste+ or Nidra Technician have ads?

Neither Celeste+ nor Nidra Technician shows ads.

### Which is updated more often, Celeste+ or Nidra Technician?

Celeste+ ships an update fortnightly, and Nidra Technician every 4 months. Most recently, Celeste+ was updated on October 27, 2026 and Nidra Technician on October 5, 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.*