# KnowT vs Night Filter

The clearest difference is review sentiment: Night Filter at 100% against KnowT's 0%. Night Filter also leads on rating (5.0 vs 1.0). KnowT's advantage is price (Free vs $1.99). On ratings volume, ads, in-app purchases and device support there is nothing between them.

KnowT is free to download; Night Filter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Night Filter holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 0% of KnowT's written reviews are positive against 100% of Night Filter's.

## The numbers

| Metric | KnowT | Night Filter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/knowt/id1114773073/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/night-filter/id6751772889/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Paid |
| Size | 34 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cyquent Infotech Private Limited](https://appshunter.io/developer/1120656522) | [Werner Goller](https://appshunter.io/developer/1830436147) |

## What reviewers say

### KnowT

[App page](https://appshunter.io/ios/app/knowt/id1114773073)

This app connects schools with parents for seamless communication. It allows parents to send important notifications and receive real-time updates on school bus locations. Schools can also broadcast messages, create groups, and share schedules.

**Highlights:** Bi-directional school-parent communication, Student transportation tracking with GPS, Real-time bus boarding/deboarding alerts, Mass messaging and closed user groups, Publishing timetables and event schedules, Hosting parent polls

**Features:** macOS Compatibility

**In-app purchases:** none


### Night Filter

[App page](https://appshunter.io/ios/app/night-filter/id6751772889)

This utility app provides a discreet red light mode for your iPhone, ideal for low-light activities like wildlife observation or stargazing. It offers quick activation and deactivation options, including shake gestures and shortcut integration.

**Highlights:** Discreet red light mode, Quick on/off toggle, Shake to disable, Optional auto-mute, Setup wizard, Focus/Do Not Disturb tips

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

**In-app purchases:** none


## Frequently asked questions

### Is KnowT free?

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

### Is Night Filter free?

Night Filter costs $1.99, with no in-app purchases.

### Which has better reviews, KnowT or Night Filter?

Night Filter is rated higher. KnowT averages 1.0 out of 5 from 4 ratings, while Night Filter averages 5.0 from 3 ratings.

### Do KnowT or Night Filter have ads?

Neither KnowT nor Night Filter shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*