# 3+ PRO vs ARMITRON CONNECT LEGACY

The clearest difference is rating: ARMITRON CONNECT LEGACY at 3.9 against 3+ PRO's 3.6. 3+ PRO's advantage is iOS requirement (11.0 vs 13.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

ARMITRON CONNECT LEGACY holds the better App Store score, 3.9 against 3.6. Both are backed by a comparable volume of ratings — 641 and 589 respectively. Written reviews split almost evenly too, at 43% and 43% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 3+ PRO | ARMITRON CONNECT LEGACY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (641 ratings)](https://appshunter.io/ios/app/3-plus-pro/id1543642182/reviews) | **[3.9 (589 ratings)](https://appshunter.io/ios/app/armitron-connect-legacy/id6499565707/reviews)** |
| Number of ratings | **641** | 589 |
| Positive reviews | 42.6% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 106 MB | 291 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, 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 CONNECT LEGACY

[App page](https://appshunter.io/ios/app/armitron-connect-legacy/id6499565707)

This app supports compatible ARMITRON smartwatches, offering fitness, wellness, and connectivity features. It tracks activity, sleep, and heart rate, and provides smart notifications and device management. It is a legacy app with limited future development.

**Highlights:** Activity Tracking (steps, distance, calories), Sleep Monitoring, Heart Rate Monitoring, Smart Notifications, Bluetooth Calling, Sports & Fitness Modes, Music & Camera Control

**In-app purchases:** none

**What reviewers like**

- 👍 Good design and build quality
- 🚀 Decent set of features for the price
- 💪 Durable and sturdy
- 📈 Useful health and fitness tracking

**What reviewers complain about**

- 🐛 Inaccurate step and distance tracking
- 🔌 Battery life issues
- 🔍 Limited watch face options
- 🤖 Connectivity and pairing problems
- 📱 Unreliable notifications and messaging

**Reported bugs**

- Watch randomly resets settings
- Syncing issues between watch and app
- Inconsistent performance and functionality

**Requested features**

- More customizable watch faces
- Ability to respond to messages from the watch
- Better integration with third-party fitness apps
- Improved sleep and activity tracking accuracy


## Frequently asked questions

### Is 3+ PRO free?

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

### Is ARMITRON CONNECT LEGACY free?

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

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

ARMITRON CONNECT LEGACY is rated higher. 3+ PRO averages 3.6 out of 5 from 641 ratings, while ARMITRON CONNECT LEGACY averages 3.9 from 589 ratings.

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

Neither 3+ PRO nor ARMITRON CONNECT LEGACY shows ads.

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

3+ PRO ships an update every 2 months, and ARMITRON CONNECT LEGACY every 2 months. Most recently, 3+ PRO was updated on November 3, 2026 and ARMITRON CONNECT LEGACY on November 4, 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.*