# Chess Equalizer vs Blaupunkt 1D DSP

The clearest difference is iOS requirement: Blaupunkt 1D DSP at 11.0 against Chess Equalizer's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Chess Equalizer ships an update every 19 months, Blaupunkt 1D DSP every 23 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chess Equalizer | Blaupunkt 1D DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 19 months** | Every 23 months |
| Size | 26 MB | 9 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Sparling](https://appshunter.io/developer/1501109432) | [Blapac Sdn Bhd](https://appshunter.io/developer/1267753574) |

## What reviewers say

### Chess Equalizer

[App page](https://appshunter.io/ios/app/chess-equalizer/id6446383971)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blaupunkt 1D DSP

[App page](https://appshunter.io/ios/app/blaupunkt-1d-dsp/id6483253072)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Equalizer free?

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

### Is Blaupunkt 1D DSP free?

Blaupunkt 1D DSP is free to download, with no in-app purchases.

### Do Chess Equalizer or Blaupunkt 1D DSP have ads?

Neither Chess Equalizer nor Blaupunkt 1D DSP shows ads.

### Which is updated more often, Chess Equalizer or Blaupunkt 1D DSP?

Chess Equalizer ships an update every 19 months, and Blaupunkt 1D DSP every 23 months. Most recently, Chess Equalizer was updated on October 30, 2026 and Blaupunkt 1D DSP on October 25, 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.*