# Denver ACK vs Nakamichi

The clearest difference is update cadence: Nakamichi at every 3 months against Denver ACK's every 21 months. Denver ACK's advantage is iOS requirement (11.0 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.

Denver ACK ships an update every 21 months, Nakamichi every 3 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Denver ACK | Nakamichi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 months** |
| Size | 19 MB | 64 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [永强 李](https://appshunter.io/developer/1003169340) | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) |

## What reviewers say

### Denver ACK

[App page](https://appshunter.io/ios/app/denver-ack-8062w/id1526084312)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nakamichi

[App page](https://appshunter.io/ios/app/nakamichi-e/id6581481320)

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

**In-app purchases:** none


## Frequently asked questions

### Is Denver ACK free?

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

### Is Nakamichi free?

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

### Do Denver ACK or Nakamichi have ads?

Neither Denver ACK nor Nakamichi shows ads.

### Which is updated more often, Denver ACK or Nakamichi?

Denver ACK ships an update every 21 months, and Nakamichi every 3 months. Most recently, Denver ACK was updated on November 7, 2026 and Nakamichi on November 8, 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.*