# Cipher Authenticator vs Luma Sleep

The clearest difference is in-app purchases: Cipher Authenticator at none against Luma Sleep's 2. Cipher Authenticator also leads on iOS requirement (13.0 vs 17.6). Luma Sleep's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Luma Sleep sells 2 in-app purchases, starting at $1.49 per month. Cipher Authenticator asks for nothing beyond the download.

Cipher Authenticator ships an update every 4 months, Luma Sleep weekly. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Cipher Authenticator | Luma Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (28 ratings)](https://appshunter.io/ios/app/luma-sleep-night-screen/id6756083083/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 38 MB | 15 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Siddharth Patankar](https://appshunter.io/developer/1851495313) | [Sachin Kumar](https://appshunter.io/developer/1858393901) |

## What reviewers say

### Cipher Authenticator

[App page](https://appshunter.io/ios/app/cipher-authenticator/id6755045757)

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

**In-app purchases:** none


### Luma Sleep

[App page](https://appshunter.io/ios/app/luma-sleep-night-screen/id6756083083)

This app provides a system-wide red light filter to reduce eye strain and screen discomfort at night. It offers sub-zero brightness and quick controls, integrating with iOS Shortcuts for seamless application across all your apps.

**Highlights:** System-wide red light filter, Dim screen below 0% brightness, Integrates with iOS Shortcuts, Quick controls via widgets, Reduces eye strain at night

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luma Pro | $1.49 | per month |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is Cipher Authenticator free?

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

### Is Luma Sleep free?

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

### Do Cipher Authenticator or Luma Sleep have ads?

Neither Cipher Authenticator nor Luma Sleep shows ads.

### Which is updated more often, Cipher Authenticator or Luma Sleep?

Cipher Authenticator ships an update every 4 months, and Luma Sleep weekly. Most recently, Cipher Authenticator was updated on September 27, 2026 and Luma Sleep on October 7, 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.*