# 3+ PRO vs ARMITRON

The clearest difference is rating: ARMITRON at 4.7 against 3+ PRO's 3.6. ARMITRON also leads on review sentiment (67% vs 43%). 3+ PRO's advantage is ratings volume (576 vs 185) and iOS requirement (11.0 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ARMITRON holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 576 and 185 respectively. Written reviews point the same way: 43% of 3+ PRO's written reviews are positive against 67% of ARMITRON's.

3+ PRO ships an update every 2 months, ARMITRON every 3 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 3+ PRO | ARMITRON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (576 ratings)](https://appshunter.io/ios/app/3-plus-pro/id1543642182/reviews) | **[4.7 (185 ratings)](https://appshunter.io/ios/app/armitron/id6758620418/reviews)** |
| Number of ratings | **576** | 185 |
| Positive reviews | 42.6% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 106 MB | 182 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3Plus International](https://appshunter.io/developer/906136113) | [AX Technologies](https://appshunter.io/developer/1229724934) |

## 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


### ARMITRON

[App page](https://appshunter.io/ios/app/armitron/id6758620418)

This app enhances your smartwatch experience by tracking fitness metrics, managing notifications, and offering personalized health reminders. Customize your watch with various faces and access additional features like camera control and music playback.

**Highlights:** Steps tracking, Heart rate monitoring, Calories burned tracking, Sleep health monitoring, Customizable watch faces, Notifications management, Activity goal setting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3+ PRO free?

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

### Is ARMITRON free?

ARMITRON is free to download, with no in-app purchases.

### Which has better reviews, 3+ PRO or ARMITRON?

ARMITRON is rated higher. 3+ PRO averages 3.6 out of 5 from 576 ratings, while ARMITRON averages 4.7 from 185 ratings.

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

Neither 3+ PRO nor ARMITRON shows ads.

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

3+ PRO ships an update every 2 months, and ARMITRON every 3 months. Most recently, 3+ PRO was updated on October 16, 2026 and ARMITRON on October 14, 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.*