uunn vs GUM SMART
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uunn
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uunn, the world's first plaque tracker for your teeth. Your phone. Three photos. Total plaque visibility. See your plaque, focus your brushing. We’ve created a unique algorithm that highlights your plaque (we call these your Focus Areas) so you can place your brush exactly there, to remove it.
GUM SMART
This app helps you build healthier brushing habits with personalized support and real-time coaching. It offers insights into your brushing coverage, frequency, duration, and pressure, and provides tailored advice. It works with any toothbrush and offers full functionality when paired with a compatible electric model.
- Personalized brushing support
- Real-time brushing coach
- Brushing insights and stats
- Tailored oral hygiene advice
- Brushing session logging
- Customizable reminders
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Free GUM SMART App - Your Intelligent Oral Care Friend. Designed with oral care experts, the GUM SMART App helps you build healthier brushing habits - whether you're using the GUM SMART ONE electric toothbrush or any other brush (manual or electric). Expert-Designed. Habit-Forming. Created alongside Oral Care Professionals, the GUM SMART App delivers personalized support, helping you stick to a routine and improve your technique over time. Unlock the Connected Experience Pair your GUM SMART ONE electric toothbrush via Bluetooth to access: -Brushing Coach – Real-time coach while brushing surface by surface -Insights – Coverage, frequency, duration & pressure stats -4 Brushing Modes – Power Clean, Sensitive, Gentle Clean & Massage -Tips – Smart advice tailored to your brushing behavior Use with Any Toothbrush No smart brush? No problem. The GUM SMART App works with all toothbrushes and still supports your routine. You can: -Log brushing sessions -Set reminders and stay on track -Follow a routine designed around your needs Please note: For full functionality, connect a GUM SMART ONE electric toothbrush Brush The app is free to use with or without a smart brush. Start your smarter oral care journey with the GUM SMART App - your personal brushing coach and intelligent hygiene companion. Intelligent Oral Care Friend. - The terms of use can be found here: https://platform.sunstargum.com/api/v2/redirect_link?app=GUMSmart&link_type=terms_and_conditions&language=en
Screenshots
Verdict
The clearest difference is in-app purchases: uunn at none against GUM SMART's 1. GUM SMART's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. GUM SMART sells 1 in-app purchase, starting at $27.49 per year. uunn asks for nothing beyond the download.
uunn ships an update every 6 weeks, GUM SMART every 2 months. The most recent releases landed on September 29, 2026 and October 20, 2026 respectively.
| Parameter | uunn | GUM SMART |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (4 ratings) — better |
| Positive reviews | — | 40.7% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 192 MB |
| Age rating | 17+ | 4+ |
| Developer | Onaria Technologies Ltd. | PLAYBRUSH LTD |
In-app purchases
uunn
No in-app purchases
GUM SMART
- Yearly Playbrush Subscription1 Month trial$27.491 Year
