# CoreFlex vs Master Watch Pro

The clearest difference is update cadence: Master Watch Pro at every 3 days against CoreFlex's every 5 months. Master Watch Pro also leads on iOS requirement (9.0 vs 13.4). On price, ads, in-app purchases and device support there is nothing between them.

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

CoreFlex ships an update every 5 months, Master Watch Pro every 3 days. The most recent releases landed on October 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CoreFlex | Master Watch Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/master-watch-pro/id6756710393/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 28 MB | 431 MB |
| Requires iOS | 13.4 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Televopment](https://appshunter.io/developer/1759546341) | [osama tallal](https://appshunter.io/developer/1862446147) |

## What reviewers say

### CoreFlex

[App page](https://appshunter.io/ios/app/coreflex/id6737149420)

**Features:** macOS Compatibility

**In-app purchases:** none


### Master Watch Pro

[App page](https://appshunter.io/ios/app/master-watch-pro/id6756710393)

This app syncs with your smartwatch to track daily activity, sleep patterns, and vital health metrics like heart rate and stress levels. It also provides weather updates, call/message management, and health tips.

**Highlights:** Exercise and sleep tracking, Weather and time display, Call and message management, Social notification alerts, 24-hour heart rate monitoring, Stress monitoring, Health tips

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoreFlex free?

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

### Is Master Watch Pro free?

Master Watch Pro is free to download, with no in-app purchases.

### Do CoreFlex or Master Watch Pro have ads?

Neither CoreFlex nor Master Watch Pro shows ads.

### Which is updated more often, CoreFlex or Master Watch Pro?

CoreFlex ships an update every 5 months, and Master Watch Pro every 3 days. Most recently, CoreFlex was updated on October 6, 2026 and Master Watch Pro on September 23, 2026.

---

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