# BBOS Business One vs SRE PMS

BBOS Business One and SRE PMS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

BBOS Business One ships an update every 4 months, SRE PMS every 2 months. The most recent releases landed on November 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | BBOS Business One | SRE PMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 88 MB | 56 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Pham Dac Ha](https://appshunter.io/developer/1671714566) | [APZON TELECOMUNICATION SOLUTION JOINT STOCK COMPANY](https://appshunter.io/developer/1475864477) |

## What reviewers say

### BBOS Business One

[App page](https://appshunter.io/ios/app/bbos-business-one/id6474228073)

**Features:** macOS Compatibility

**In-app purchases:** none


### SRE PMS

[App page](https://appshunter.io/ios/app/sre-pms/id6760738545)

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

**In-app purchases:** none


## Frequently asked questions

### Is BBOS Business One free?

BBOS Business One is free to download, with no in-app purchases.

### Is SRE PMS free?

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

### Do BBOS Business One or SRE PMS have ads?

Neither BBOS Business One nor SRE PMS shows ads.

### Which is updated more often, BBOS Business One or SRE PMS?

BBOS Business One ships an update every 4 months, and SRE PMS every 2 months. Most recently, BBOS Business One was updated on November 4, 2026 and SRE PMS on October 8, 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.*