Just a Tap vs 30
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Just a Tap
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Just Tap reminds you to drink enough water throughout the day as simple as possible. Just tap as often as youβve taken sips of water. Itβs that simple. Just Tap. β’ Reminders at quarter till and/or on the hour. β’ Set the time frame for when notifications can come. β’ Each tap equals a sip (amount adjustable). β’ Daily goal can be set.
30
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30-20-10: Smarter Interval Training, Right on Your Wrist Transform your workouts with the scientifically-backed 30-20-10 interval methodβalso known as "Jog, Run, Sprint"βnow tailored exclusively for Apple Watch. Whether you're a beginner or a seasoned runner, 30-20-10 helps you train more effectively by guiding you through dynamic intervals: 30 seconds jog 20 seconds run 10 seconds sprint ...repeated in sets that drive real improvements in speed, endurance, and cardiovascular health. The app takes care of everything: - Tracks each training phase automatically - Includes warm-up and recovery intervals - Offers clear haptic and visual cues for each phase - Provides an in-depth summary post-workout: - Max heart rate - Time in each phase - Distance covered - Calories burned - Custom breakdown for performance insights Why 30-20-10 Works: This method is validated by sports science (source) to improve fitness in less time, reduce injury risk, and increase training enjoyment. No iPhone needed during your workout β just you, your Apple Watch, and results that speak for themselves. Start training the smart way. Download 30-20-10 today.
Verdict
The clearest difference is update cadence: 30 at every 6 weeks against Just a Tap's every 3 months. 30 also leads on iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Just a Tap ships an update every 3 months, 30 every 6 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.
| Parameter | Just a Tap | 30 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPod, Apple Watch β better |
| Requires iOS | 26.0 | 13.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Johannes Fontanus College | Almost Good Enough ApS |
In-app purchases
Just a Tap
No in-app purchases
30
No in-app purchases









