# COSEC ACS vs BEMSS

The clearest difference is update cadence: BEMSS at every 5 days against COSEC ACS's every 3 months. COSEC ACS's advantage is iOS requirement (13.0 vs 16.0). 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.

COSEC ACS ships an update every 3 months, BEMSS every 5 days. The most recent releases landed on October 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | COSEC ACS | BEMSS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 8 MB | 89 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matrix ComSec Pvt. Ltd.](https://appshunter.io/developer/569454321) | [BAASHYAAM CONSTRUCTIONS](https://appshunter.io/developer/1545760915) |

## What reviewers say

### COSEC ACS

[App page](https://appshunter.io/ios/app/cosec-acs/id1484820264)

**Features:** Vision Pro support

**In-app purchases:** none


### BEMSS

[App page](https://appshunter.io/ios/app/bemss/id6761405505)

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

**In-app purchases:** none


## Frequently asked questions

### Is COSEC ACS free?

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

### Is BEMSS free?

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

### Do COSEC ACS or BEMSS have ads?

Neither COSEC ACS nor BEMSS shows ads.

### Which is updated more often, COSEC ACS or BEMSS?

COSEC ACS ships an update every 3 months, and BEMSS every 5 days. Most recently, COSEC ACS was updated on October 13, 2026 and BEMSS on September 26, 2026.

---

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