3+ PRO vs DiaTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3+ PRO
Track daily activity like steps, distance, and calories. Set personalized fitness goals and monitor progress. Features include heart rate monitoring, smart notifications, and weather updates, with data syncing to HealthKit.
- Activity tracking (steps, distance, calories)
- Personalized goal setting
- Heart rate monitoring
- Smart notifications
- Weather updates
- HealthKit synchronization
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Overview Activity Tracking: Monitor your daily steps taken, distance traveled, calories burned and more. Personal Goal Setting: Set personalized step, calorie, distance, active minutes and sleep goals based on your activity level to reach your target fitness level. Health information can be synchronized to Health Kit. Smart Features Heart Rate Monitor: Maintain your heart rate level during workouts or measure your resting heart rate to see how your fitness level has improved over time. Smart Notifications: Receive and read a variety of notifications all on the watch. Weather App: Check today’s weather . Health information can be synchronized to HealthKit.
DiaTimer
This app assists individuals with diabetes in managing insulin administration and meal planning. It calculates carbohydrate values for inputted foods and determines the necessary "Spray-eat distance" based on blood sugar levels, initiating a timer for meal consumption. Users can add custom foods and unlock more personalized entries with a premium subscription.
- Carbohydrate calculation for meals
- Blood sugar to meal timer calculation
- Custom food entry registration
- Personalized food entries (premium)
- Insulin administration assistance
- Meal planning support
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The DiaTimer app serves as your daily companion for insulin administration and meal planning. Simply input the foods along with their respective weights, and the app will automatically calculate the carbohydrate value. Enter your current blood sugar level to determine the necessary Spray-eat distance (SED), and the timer will initiate automatically. Once the timer expires, you can savor your meal. Register to include your own foods and seamlessly integrate them into the app. Unlock additional features with a premium subscription, allowing you to create and utilize up to 100 personalized food entries within the application Important Note: DiaTimer is designed for individuals living with diabetes. It does not substitute active diabetes therapy, medical advice, diagnosis, or treatment; rather, it functions as a helpful tool for inputting and calculating daily meals and injection-to-eating intervals. You are responsible for your actions. Always consult your doctor before implementing any medical measures. We disclaim any liability for damages, including consequential damages, resulting from the use of this information. Please take a moment to review the terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Kindly familiarize yourself with the data privacy policy: https://androdevs.de/diatimer-privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: DiaTimer at 100% against 3+ PRO's 43%. DiaTimer also leads on update cadence (every 6 days vs every 2 months). 3+ PRO's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, 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
Both are free to download. DiaTimer sells 2 in-app purchases, starting at $0.49 per month. 3+ PRO asks for nothing beyond the download.
3+ PRO ships an update every 2 months, DiaTimer every 6 days. The most recent releases landed on September 23, 2026 and June 7, 2026 respectively.
| Parameter | 3+ PRO | DiaTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (576 ratings) — better | — |
| Positive reviews | 42.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 576 — better | — |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 106 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | 3Plus International | Alexander Gerk |
Customer experience
3+ PRO
DiaTimer
Bugs and requests
3+ PRO
Reported bugs
4 issues- App crashes and freezes
- Inaccurate activity tracking
- Compatibility issues with newer devices
- Inability to change time format
Requested features
4 requests- Add call and text functionality
- Expand workout tracking options
- Improve watch face customization
- Implement sleep tracking feature
DiaTimer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
3+ PRO
No in-app purchases
DiaTimer
- DiaTimer Premium (monthly)$0.491 Month
- DiaTimer Premium (yearly)$4.991 Year









