# TTMI HRM vs B2MSR CHAMCONG

The clearest difference is update cadence: B2MSR CHAMCONG at every 2 days against TTMI HRM's weekly. B2MSR CHAMCONG also leads on iOS requirement (13.0 vs 15.1). 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.

TTMI HRM ships an update weekly, B2MSR CHAMCONG every 2 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TTMI HRM | B2MSR CHAMCONG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 61 MB | 28 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huynh Thang](https://appshunter.io/developer/1273667662) | [Kim Ngan Nguyen Thi](https://appshunter.io/developer/6772029884) |

## What reviewers say

### TTMI HRM

[App page](https://appshunter.io/ios/app/ttmi-hrm/id6754357677)

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

**In-app purchases:** none


### B2MSR CHAMCONG

[App page](https://appshunter.io/ios/app/b2msr-chamcong/id6772029882)

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

**In-app purchases:** none


## Frequently asked questions

### Is TTMI HRM free?

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

### Is B2MSR CHAMCONG free?

B2MSR CHAMCONG is free to download, with no in-app purchases.

### Do TTMI HRM or B2MSR CHAMCONG have ads?

Neither TTMI HRM nor B2MSR CHAMCONG shows ads.

### Which is updated more often, TTMI HRM or B2MSR CHAMCONG?

TTMI HRM ships an update weekly, and B2MSR CHAMCONG every 2 days. Most recently, TTMI HRM was updated on September 30, 2026 and B2MSR CHAMCONG on October 5, 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.*