# BSG for SDG vs SDG Master

The clearest difference is update cadence: BSG for SDG at every 10 days against SDG Master's every 3 months. SDG Master's advantage is iOS requirement (13.0 vs 15.6). 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.

BSG for SDG ships an update every 10 days, SDG Master every 3 months. The most recent releases landed on September 22, 2026 and December 7, 2025 respectively.

## The numbers

| Metric | BSG for SDG | SDG Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 45 MB | 260 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bharat Soka Gakkai](https://appshunter.io/developer/1635329364) | [Ilija Rushkovski](https://appshunter.io/developer/1446440969) |

## What reviewers say

### BSG for SDG

[App page](https://appshunter.io/ios/app/bsg-for-sdg/id1635329362)

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

**In-app purchases:** none


### SDG Master

[App page](https://appshunter.io/ios/app/sdg-master/id6738145833)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BSG for SDG free?

BSG for SDG is free to download, with no in-app purchases.

### Is SDG Master free?

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

### Do BSG for SDG or SDG Master have ads?

Neither BSG for SDG nor SDG Master shows ads.

### Which is updated more often, BSG for SDG or SDG Master?

BSG for SDG ships an update every 10 days, and SDG Master every 3 months. Most recently, BSG for SDG was updated on September 22, 2026 and SDG Master on December 7, 2025.

---

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