# bismark CtrlSlide vs ECHO

The clearest difference is price: bismark CtrlSlide at $1.99 against ECHO's $129.99. ECHO's advantage is update cadence (every 2 weeks vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

bismark CtrlSlide costs $1.99 and ECHO $129.99 up front. Neither carries in-app purchases, so what you see is what you pay.

bismark CtrlSlide ships an update every 2 months, ECHO every 2 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | bismark CtrlSlide | ECHO |
| --- | --- | --- |
| Price | **$1.99** | $129.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 19 MB | 13 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [bismark LLC](https://appshunter.io/developer/1213793300) | [Gentian Coci](https://appshunter.io/developer/1809578428) |

## What reviewers say

### bismark CtrlSlide

[App page](https://appshunter.io/ios/app/bismark-ctrlslide-midi-cc/id1553855327)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECHO

[App page](https://appshunter.io/ios/app/echo-terza/id6752669555)

**In-app purchases:** none


## Frequently asked questions

### Is bismark CtrlSlide free?

bismark CtrlSlide costs $1.99, with no in-app purchases.

### Is ECHO free?

ECHO costs $129.99, with no in-app purchases.

### Do bismark CtrlSlide or ECHO have ads?

Neither bismark CtrlSlide nor ECHO shows ads.

### Which is updated more often, bismark CtrlSlide or ECHO?

bismark CtrlSlide ships an update every 2 months, and ECHO every 2 weeks. Most recently, bismark CtrlSlide was updated on October 9, 2026 and ECHO on October 10, 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.*