# SMART vs HeyPlus OS

The clearest difference is in-app purchases: HeyPlus OS at none against SMART's 12. HeyPlus OS also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.0). SMART's advantage is update cadence (monthly vs every 4 months) and review sentiment (19% vs 10%). On price and device support there is nothing between them.

Both are free to download. SMART sells 12 one-off in-app purchases. HeyPlus OS asks for nothing beyond the download.

SMART ships an update monthly, HeyPlus OS every 4 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SMART | HeyPlus OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.4K ratings)](https://appshunter.io/ios/app/smart-time-pro/id1494999335/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | **18.6% of reviews** | 10.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 766 MB | 183 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen Smart Care Technology Co., Ltd](https://appshunter.io/developer/1016364789) | [深圳市新恩远科技有限公司](https://appshunter.io/developer/1726126736) |

## What reviewers say

### SMART

[App page](https://appshunter.io/ios/app/smart-time-pro/id1494999335)

Connect your smartwatch to your phone to access multi-dimensional health data, including exercise, sleep, and health monitoring. Synchronize notifications and calls, manage watch faces, and adjust device settings. Integrates with iPhone Health for real-time data synchronization.

**Highlights:** Health and sleep data tracking, Message and call notifications, Watch face management, Device function settings, iPhone Health integration, Local weather display

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Value Trial Package | $0.29 | one-time |
| Cost-effective dials | $0.49 | one-time |
| Single Game - Unlimited Play | $0.99 | one-time |
| Preferred Dials | $0.99 | one-time |
| Luxury Dials | $1.49 | one-time |
| Game-Monthly Package | $1.99 | one-time |
| Game-Quarterly Package | $2.99 | one-time |
| Game-One-Year Package | $3.99 | one-time |
| VIP(monthly) | $4.00 | one-time |
| VIP(3-month package) | $9.00 | one-time |
| VIP(half year package) | $27.00 | one-time |
| VIP(1 year package) | $29.00 | one-time |

**What reviewers like**

- 👍 Good watch
- 🚀 Responsive app
- 📊 Helpful for health tracking

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🔌 Connectivity issues
- ⏰ Time sync problems
- 📊 Inaccurate tracking

**Reported bugs**

- App not opening
- Sync issues between watch and app
- Unreliable Bluetooth connection

**Requested features**

- More watch face options
- Improved notification support
- Enhanced workout tracking


### HeyPlus OS

[App page](https://appshunter.io/ios/app/heyplus-os/id6476176659)

This app syncs with a compatible smartwatch to display heart rate and activity data. Set reminders, alarms, and customize watch faces. It also integrates with HealthKit for seamless data sharing.

**Highlights:** Heart rate monitoring and display, Sports data tracking (steps, distance), Smartwatch reminders and alarms, HealthKit data synchronization, Customizable watch faces

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMART free?

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

### Is HeyPlus OS free?

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

### Do SMART or HeyPlus OS have ads?

SMART shows ads; HeyPlus OS does not.

### Which is updated more often, SMART or HeyPlus OS?

SMART ships an update monthly, and HeyPlus OS every 4 months. Most recently, SMART was updated on October 18, 2026 and HeyPlus OS on October 10, 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.*