# ProMasterLevel vs SDBG

The clearest difference is price: SDBG at Free against ProMasterLevel's $1.99. ProMasterLevel's advantage is update cadence (every 5 weeks vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SDBG is free to download; ProMasterLevel costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProMasterLevel ships an update every 5 weeks, SDBG every 7 months. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ProMasterLevel | SDBG |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Size | 7 MB | 131 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Kelley](https://appshunter.io/developer/1107488020) | [San Diego Botanic Garden](https://appshunter.io/developer/1735583841) |

## What reviewers say

### ProMasterLevel

[App page](https://appshunter.io/ios/app/promasterlevel/id1664264714)

**Features:** macOS Compatibility

**In-app purchases:** none


### SDBG

[App page](https://appshunter.io/ios/app/sdbg/id6479328871)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProMasterLevel free?

ProMasterLevel costs $1.99, with no in-app purchases.

### Is SDBG free?

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

### Do ProMasterLevel or SDBG have ads?

Neither ProMasterLevel nor SDBG shows ads.

### Which is updated more often, ProMasterLevel or SDBG?

ProMasterLevel ships an update every 5 weeks, and SDBG every 7 months. Most recently, ProMasterLevel was updated on September 28, 2026 and SDBG on September 17, 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.*