# Filtrete Smart vs KOVIET

The clearest difference is rating: Filtrete Smart at 4.8 against KOVIET's 2.3. Filtrete Smart also leads on ratings volume (53K vs 12) and review sentiment (39% vs 25%). KOVIET's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Filtrete Smart holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Filtrete Smart has 53K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 39% of Filtrete Smart's written reviews are positive against 25% of KOVIET's.

Filtrete Smart ships an update every 2 months, KOVIET every 4 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Filtrete Smart | KOVIET |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (53K ratings)](https://appshunter.io/ios/app/filtrete-smart/id1340390225/reviews)** | [2.3 (12 ratings)](https://appshunter.io/ios/app/koviet/id6740426061/reviews) |
| Number of ratings | **53K** | 12 |
| Positive reviews | **38.9% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 100 MB | 70 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3M Company](https://appshunter.io/developer/396772465) | [SHENZHEN HUIYI TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1789911662) |

## What reviewers say

### Filtrete Smart

[App page](https://appshunter.io/ios/app/filtrete-smart/id1340390225)

Monitor and manage your home's air quality with smart filters and purifiers. Receive alerts for filter replacements based on usage and track outdoor air quality trends. Get personalized tips to improve your indoor environment.

**Highlights:** Pair smart air filters and purifiers, Track filter life based on usage, Receive filter replacement notifications, Remotely control air purifiers, Monitor outdoor air quality, Get tips to improve air quality

**In-app purchases:** none

**What reviewers like**

- 👍 Useful app for monitoring air filters
- 🚀 Convenient filter replacement reminders
- 👍 Helps track filter life and air quality
- 🚀 Easy to use and set up
- 👍 Improves indoor air quality

**What reviewers complain about**

- 🐛 Connectivity issues with filters
- 🐛 Inaccurate filter life estimates
- 🔋 High battery drain on mobile app
- 🔒 Privacy concerns with location tracking
- 💰 Expensive filters compared to regular ones

**Reported bugs**

- Barcode scanning feature not working
- App crashes when trying to add new filters
- Bluetooth connection frequently lost
- Incorrect filter life displayed in app

**Requested features**

- Allow manual filter life input
- Provide more detailed air quality data
- Integrate with other smart home systems
- Add option to disable location tracking
- Improve app stability and reliability


### KOVIET

[App page](https://appshunter.io/ios/app/koviet/id6740426061)

This app serves as the control software for a specific device, enabling users to manage its functions. It requires email registration and login, connecting to the device via Bluetooth and WiFi for full operational control.

**Highlights:** Device control software, Email registration and login, Bluetooth connectivity, WiFi connectivity, Full functionality access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Filtrete Smart free?

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

### Is KOVIET free?

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

### Which has better reviews, Filtrete Smart or KOVIET?

Filtrete Smart is rated higher. Filtrete Smart averages 4.8 out of 5 from 53K ratings, while KOVIET averages 2.3 from 12 ratings.

### Do Filtrete Smart or KOVIET have ads?

Neither Filtrete Smart nor KOVIET shows ads.

### Which is updated more often, Filtrete Smart or KOVIET?

Filtrete Smart ships an update every 2 months, and KOVIET every 4 weeks. Most recently, Filtrete Smart was updated on November 6, 2026 and KOVIET on October 30, 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.*