# NightMode Browser Master vs Blackout Math.Power Calculator

The clearest difference is rating: NightMode Browser Master at 4.0 against Blackout Math.Power Calculator's 3.0. NightMode Browser Master also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 18). Blackout Math.Power Calculator's advantage is update cadence (weekly vs every 3 weeks) and ratings volume (5 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Blackout Math.Power Calculator sells 1 one-off in-app purchase. NightMode Browser Master asks for nothing beyond the download.

NightMode Browser Master holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Blackout Math.Power Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.

NightMode Browser Master ships an update every 3 weeks, Blackout Math.Power Calculator weekly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | NightMode Browser Master | Blackout Math.Power Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/nightmode-browser-master/id6741791991/reviews)** | [3.0 (5 ratings)](https://appshunter.io/ios/app/blackout-mathpower-calculator/id6755345214/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 3 MB | 10 MB |
| Requires iOS | **15.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [论 李](https://appshunter.io/developer/1791561010) | [Yevheniia Borunova](https://appshunter.io/developer/1684316852) |

## What reviewers say

### NightMode Browser Master

[App page](https://appshunter.io/ios/app/nightmode-browser-master/id6741791991)

This app offers a comfortable browsing experience by switching your browser to a dark mode. It's designed to reduce eye strain and provides an easy way to toggle between light and dark themes for a smoother web experience.

**Highlights:** Dark mode browsing, Reduces eye strain, Seamless theme switching, Sleek interface, Enhanced browsing comfort

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

**In-app purchases:** none


### Blackout Math.Power Calculator

[App page](https://appshunter.io/ios/app/blackout-mathpower-calculator/id6755345214)

This app helps you accurately calculate power outage durations and battery performance. It factors in real-world conditions like battery discharge, inverter efficiency, and device consumption to provide realistic estimates for power longevity and charging times.

**Highlights:** Calculate usable battery energy (Wh/kWh), Factor in safe battery discharge limits, Account for inverter efficiency and losses, Estimate device energy consumption, Determine actual power runtime, Provide realistic charging time estimates, Explain complex energy concepts clearly

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $7.99 | one-time |


## Frequently asked questions

### Is NightMode Browser Master free?

NightMode Browser Master is free to download, with no in-app purchases.

### Is Blackout Math.Power Calculator free?

Blackout Math.Power Calculator is free to download, with in-app purchases available.

### Which has better reviews, NightMode Browser Master or Blackout Math.Power Calculator?

NightMode Browser Master is rated higher. NightMode Browser Master averages 4.0 out of 5 from 1 ratings, while Blackout Math.Power Calculator averages 3.0 from 5 ratings.

### Do NightMode Browser Master or Blackout Math.Power Calculator have ads?

Neither NightMode Browser Master nor Blackout Math.Power Calculator shows ads.

### Which is updated more often, NightMode Browser Master or Blackout Math.Power Calculator?

NightMode Browser Master ships an update every 3 weeks, and Blackout Math.Power Calculator weekly. Most recently, NightMode Browser Master was updated on November 3, 2026 and Blackout Math.Power Calculator on November 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.*