# Sustainability Expo vs BMA OSS

The clearest difference is update cadence: Sustainability Expo at weekly against BMA OSS's every 2 weeks. BMA OSS's advantage is iOS requirement (12.4 vs 15.0). 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.

Sustainability Expo ships an update weekly, BMA OSS every 2 weeks. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sustainability Expo | BMA OSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/sustainability-expo/id1640414525/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 45 MB | 21 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [T.C.C. Technology Company Limited](https://appshunter.io/developer/1369816707) | [BMA Queue](https://appshunter.io/developer/1438821852) |

## What reviewers say

### Sustainability Expo

[App page](https://appshunter.io/ios/app/sustainability-expo/id1640414525)

Explore a world of fresh ideas and new perspectives through hands-on experiences at the largest sustainability event in ASEAN. Discover innovative solutions and engage with the forefront of environmental progress.

**Highlights:** Hands-on experiences, Fresh ideas and new perspectives, Largest sustainability event in ASEAN, Interactive exploration

**Features:** macOS Compatibility

**In-app purchases:** none


### BMA OSS

[App page](https://appshunter.io/ios/app/bma-oss/id6448901544)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sustainability Expo free?

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

### Is BMA OSS free?

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

### Do Sustainability Expo or BMA OSS have ads?

Neither Sustainability Expo nor BMA OSS shows ads.

### Which is updated more often, Sustainability Expo or BMA OSS?

Sustainability Expo ships an update weekly, and BMA OSS every 2 weeks. Most recently, Sustainability Expo was updated on November 12, 2026 and BMA OSS on November 7, 2026.

---

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