LetsKeep vs Tooth Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LetsKeep
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Never underestimate your power to change yourself! Our habit tracker LetsKeep will help you form healthy habits and keep you accountable. Our goals is to help you to master your mind and defy the odds. By using our habit tracker app "LetsKeep",you can also mark streaks and got streaks history in your app.
Tooth Buddy
This app is a 2-minute brushing timer designed for Apple Watch. It helps users maintain a consistent oral hygiene routine by tracking sessions, providing reminders, and offering quick access via widgets and complications.
- 2-minute brushing timer
- HealthKit integration
- Brushing session logging
- Smart reminders
- Streak tracking
- Widgets and complications
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Tooth Buddy is the brushing timer built for Apple Watch. It helps you start faster, stay consistent, and keep your progress visible without turning brushing into a chore. Launch a focused 2-minute timer, save sessions to HealthKit, review recent history, and keep your routine front and center with widgets and complications made for quick wrist checks. With Tooth Buddy, you can: - Start a brushing timer in seconds - Save brushing sessions to HealthKit - Review, edit, and delete recent logs created by the app - Set reminders with smart skip options based on your daily goal - Track AM and PM streaks, weekly totals, perfect days, and recent brushing history - Jump in quickly from widgets and complications - Use the app in English or Japanese Tooth Buddy is designed to feel fast, focused, and natural on Apple Watch.
Screenshots
Verdict
The clearest difference is price: LetsKeep at Free against Tooth Buddy's $1.99. LetsKeep also leads on iOS requirement (12.0 vs 18.0). Tooth Buddy's advantage is update cadence (every 2 months vs every 11 months). On ads, 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
LetsKeep is free to download; Tooth Buddy costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LetsKeep ships an update every 11 months, Tooth Buddy every 2 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.
| Parameter | LetsKeep | Tooth Buddy |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 42 MB | 7 MB |
| Age rating | 12+ | 17+ |
| Developer | 庆勇 张 | Christian Thompson |
In-app purchases
LetsKeep
No in-app purchases
Tooth Buddy
No in-app purchases
