# 3+ PRO vs DiaTimer

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.

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.

## The numbers

| Metric | 3+ PRO | DiaTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (576 ratings)](https://appshunter.io/ios/app/3-plus-pro/id1543642182/reviews)** | — |
| Number of ratings | **576** | — |
| Positive reviews | 42.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 78 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3Plus International](https://appshunter.io/developer/906136113) | [Alexander Gerk](https://appshunter.io/developer/1649584483) |

## What reviewers say

### 3+ PRO

[App page](https://appshunter.io/ios/app/3-plus-pro/id1543642182)

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.

**Highlights:** Activity tracking (steps, distance, calories), Personalized goal setting, Heart rate monitoring, Smart notifications, Weather updates, HealthKit synchronization

**In-app purchases:** none

**What reviewers like**

- 👍 Good watch and app
- 🚀 Affordable and customizable
- 🔒 Robust security features
- 💡 Helpful for tracking activity

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Unreliable notifications
- 🐛 Sync and pairing problems
- 🔋 Battery life concerns

**Reported bugs**

- App crashes and freezes
- Inaccurate activity tracking
- Compatibility issues with newer devices
- Inability to change time format

**Requested features**

- Add call and text functionality
- Expand workout tracking options
- Improve watch face customization
- Implement sleep tracking feature


### DiaTimer

[App page](https://appshunter.io/ios/app/diatimer/id6467234554)

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.

**Highlights:** Carbohydrate calculation for meals, Blood sugar to meal timer calculation, Custom food entry registration, Personalized food entries (premium), Insulin administration assistance, Meal planning support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DiaTimer Premium (monthly) | $0.49 | per month |
| DiaTimer Premium (yearly) | $4.99 | per year |


## Frequently asked questions

### Is 3+ PRO free?

3+ PRO is free to download, with no in-app purchases.

### Is DiaTimer free?

DiaTimer is free to download, with in-app purchases available.

### Do 3+ PRO or DiaTimer have ads?

DiaTimer shows ads; 3+ PRO does not.

### Which is updated more often, 3+ PRO or DiaTimer?

3+ PRO ships an update every 2 months, and DiaTimer every 6 days. Most recently, 3+ PRO was updated on September 23, 2026 and DiaTimer on June 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*