Filtrete Smart vs Bubble Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Filtrete Smart
Manage your home's air quality with smart filter and purifier control. Receive personalized tips, alerts for filter replacement based on usage, and monitor outdoor air quality trends.
- Pair multiple smart air filters
- Real-time filter life tracking
- Smart air purifier control
- Remote device management
- Non-smart filter reminders
- Outdoor air quality monitoring
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Filtrete™ Smart pairs with your Filtrete™ Smart Air Filter and Filtrete™ Smart Air Purifier to help you understand and manage your home’s air quality. It provides useful tips and alerts customized to your home’s environment, and will notify you when it’s time to replace your filters based on air flow and usage – not just time. With this app, you can • Pair multiple Smart Air Filters to track their life, and receive filter change notifications based on real usage • Pair Smart Air Purifiers to manage your indoor air quality – monitor and clean your air while remotely controlling your device by turning power on/off, setting different fan speeds, etc. • Scan the barcode of your non-smart Air Filters, and set timers to receive filter replacement reminders • Remember your filter type and size, and easily order replacement filters • Monitor outdoor air quality in multiple places, and view short and long-term trends • Receive tips and alerts to improve air quality
Bubble Level
Transform your phone into a precise measuring tool for DIY and home improvement. Quickly check horizontal and vertical alignment with a clean interface and accurate sensor detection, eliminating the need for extra tools.
- Precise bubble level
- Horizontal and vertical alignment
- Easy-to-read interface
- Accurate sensor detection
- No extra tools needed
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Turn your smartphone into a precise bubble level. Perfect for DIY projects, home improvement, and construction work. With a clean, easy-to-read interface and accurate sensor detection, you can quickly check horizontal and vertical alignment anytime, anywhere — no extra tools needed.
Screenshots
Verdict
The clearest difference is rating: Filtrete Smart at 4.8 against Bubble Level's 4.0. Filtrete Smart also leads on ratings volume (52K vs 3) and iOS requirement (15.0 vs 17.0). Bubble Level's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 4.0. That said, the two scores are not equally well evidenced: Filtrete Smart has 52K ratings behind it against 3, so its average is the more settled of the two.
Filtrete Smart ships an update every 2 months, Bubble Level every 2 weeks. The most recent releases landed on September 29, 2026 and September 16, 2026 respectively.
| Parameter | Filtrete Smart | Bubble Level |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (52K ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 38.8% of reviews | — |
| Number of ratings | 52K — better | 3 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 100 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 3M Company | taishin miyamoto |
Customer experience
Filtrete Smart
Bubble Level
Bugs and requests
Filtrete Smart
Reported bugs
4 issues- 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
5 requests- 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
Bubble Level
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Filtrete Smart
No in-app purchases
Bubble Level
No in-app purchases
