Tooth Buddy vs SaunaFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 turns Apple Watch into a brushing habit tool you will actually use. Start a 2-minute timer, log your sessions to HealthKit, and keep your momentum visible throughout the day. Tooth Buddy is built for quick interactions on the wrist, so checking progress, opening recent logs, adjusting reminders, or jumping back into a session takes only a moment. Features include: - A fast brushing timer made for Apple Watch - HealthKit logging for brushing sessions - Recent log review, editing, and deletion for app-owned entries - Manual entry for a session you brushed somewhere your watch wasn't - Morning and evening reminders on separate schedules, with smart skip behavior - AM and PM streaks, weekly progress, perfect days, and recent-history tracking - Widgets and complications for glanceable status and faster access - English and Japanese localization If you want a brushing app that feels simple on the surface but keeps your routine visible in the places you already look, Tooth Buddy is built for that.
SaunaFlow
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No need to watch the clock. Apple Watch automatically guides you through sauna>cold plunge>rest right on your wrist. Build routines on iPhone, run them on your Watch, and refine your flow with every session. ◆ Start instantly with built-in presets Choose from classic presets like 60-min standard, quick single round, or short cold plunge. Changes made on iPhone sync automatically to Apple Watch. ◆ Complete sessions from Apple Watch No need for your smartphone inside the sauna. Phase transitions are notified by haptic feedback, and you can check time remaining and the next phase on your wrist. Use the Digital Crown to skip or add 30 seconds to the current phase; pause has its own on-screen button. ◆ Build your personal routine from history History shows completion rate, best session, notes, and score trends. Re-run great sessions or save them as new presets. ◆ Designed for consistent use Favorite and recommended presets are easy to find on Watch. This isn't just a one-off timer — it's built for repeated use. ◆ Heart rate from Apple Watch Your Watch records heart rate through the whole session and charts the climb in the sauna and the drop during the cold plunge and rest. The deeper the recovery, the higher your Session Score. Each session is saved to Health as a workout. ◆ Streaks, badges and place logging A weekly streak, badges at 10, 50 and 100 sessions and a monthly summary show how consistently you go. Log the venue name, sauna, cold plunge and outdoor temperature, and whether there was löyly. Add days you didn't wear the Watch by hand. You can also start with Siri. ◆ Backup, editing and deleting Save every preset and session to a single file and restore it on your new phone. Edit any session's start time and rounds, or delete it, so one wrong entry doesn't skew your stats forever. ◆ Premium (one-time purchase) Try it free, buy once if you need more. No subscription. [Free] · Up to 5 presets · Your latest 10 sessions in History · Score, notes, streak and backup [Premium] · Unlimited presets · Unlimited history and comparison · Watch display/haptic customization · Re-run and save sessions from history ◆ Safety Notice Displayed times are guidelines. In high-heat environments, always prioritize your health and stop immediately if you feel unwell. ◆ Requirements · iPhone: iOS 17 or later · Apple Watch: watchOS 10 or later · All data stored on-device. No personal data collected or sent to external servers.
Screenshots
Verdict
The clearest difference is price: SaunaFlow at Free against Tooth Buddy's $1.99. SaunaFlow also leads on update cadence (fortnightly vs every 3 months). Tooth Buddy's advantage is in-app purchases (none vs 1). On ads, device support 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
SaunaFlow is free to download; Tooth Buddy costs $1.99 up front. SaunaFlow sells 1 one-off in-app purchase. Tooth Buddy asks for nothing beyond the download.
Tooth Buddy ships an update every 3 months, SaunaFlow fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Tooth Buddy | SaunaFlow |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | Christian Thompson | YANGLI CHEN |
In-app purchases
Tooth Buddy
No in-app purchases
SaunaFlow
- SaunaFlow Premium$4.99









