# PRI Dimmer vs Nitefall

The clearest difference is review sentiment: Nitefall at 54% against PRI Dimmer's 0%. Nitefall also leads on rating (3.9 vs 2.3) and ratings volume (288 vs 3). PRI Dimmer's advantage is in-app purchases (none vs 10) and iOS requirement (8.0 vs 15.4). On price, ads and device support there is nothing between them.

Both are free to download. Nitefall sells 10 in-app purchases, starting at $1.49 per month. PRI Dimmer asks for nothing beyond the download.

Nitefall holds the better App Store score, 3.9 against 2.3. That said, the two scores are not equally well evidenced: Nitefall has 288 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of PRI Dimmer's written reviews are positive against 54% of Nitefall's.

## The numbers

| Metric | PRI Dimmer | Nitefall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/pri-dimmer/id1130568547/reviews) | **[3.9 (288 ratings)](https://appshunter.io/ios/app/nitefall-browser-dark-mode/id1575190591/reviews)** |
| Number of ratings | 3 | **288** |
| Positive reviews | 0.0% of reviews | **53.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 19 MB |
| Requires iOS | **8.0** | 15.4 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [PRI](https://appshunter.io/developer/451673456) | [FoxfortMobile](https://appshunter.io/developer/1544295696) |

## What reviewers say

### PRI Dimmer

[App page](https://appshunter.io/ios/app/pri-dimmer/id1130568547)

Control PRI-brand lighting dimmers from your iPhone and Apple Watch. Adjust on/off states and continuously variable brightness for compatible devices within range.

**Highlights:** Control PRI lighting dimmers, Adjust on/off state, Continuously adjustable brightness, iPhone compatibility, Apple Watch compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Nitefall

[App page](https://appshunter.io/ios/app/nitefall-browser-dark-mode/id1575190591)

This Safari extension automatically applies a dark mode to all websites, reducing eye strain, especially during nighttime use. It seamlessly integrates with your system's appearance settings and offers customizable themes and per-site adjustments for optimal viewing.

**Highlights:** Automatic dark mode for all websites, System appearance integration, Multiple dark themes, Blacklist specific websites, Adjust image brightness per site

**Features:** Safari Extension, Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly 3 | $1.49 | per month |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $2.00 | per month |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $10.00 | per year |
| Premium Yearly 3 | $15.00 | per year |
| Nitefall Premium Yearly 2 | $20.00 | per year |
| Lifetime offer 2 | $13.00 | one-time |
| Lifetime Access | $20.00 | one-time |
| Use on unlimited websites | $25.00 | one-time |

**What reviewers like**

- 👁️ Reduces eye strain at night
- 🎨 Comprehensive dark mode implementation
- ⚡ Smooth performance without flickering
- 🔧 Customizable settings per website
- 📱 Works seamlessly with Safari

**What reviewers complain about**

- 💰 Aggressive paywall after limited trial
- 🚫 Only 15-25 free websites before paywall
- 🔐 Requires extensive browser permissions
- ⚠️ Privacy concerns with data access
- 📊 Misleading 'free' app labeling

**Reported bugs**

- Black text appears on dark backgrounds (unreadable)
- Images not displaying correctly
- Gmail inbox not visible with extension enabled
- Performance issues on complex websites
- Breaks Google Images functionality

**Requested features**

- Website exception list management
- Per-website preference saving for subdomains
- Automatic dark mode detection
- One-time purchase option instead of subscription
- Better text contrast on certain sites


## Frequently asked questions

### Is PRI Dimmer free?

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

### Is Nitefall free?

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

### Which has better reviews, PRI Dimmer or Nitefall?

Nitefall is rated higher. PRI Dimmer averages 2.3 out of 5 from 3 ratings, while Nitefall averages 3.9 from 288 ratings.

### Do PRI Dimmer or Nitefall have ads?

Neither PRI Dimmer nor Nitefall shows ads.

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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.*