# Alto Pro vs D

The clearest difference is update cadence: D at every 3 weeks against Alto Pro's every 3 months. 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.

Alto Pro ships an update every 3 months, D every 3 weeks. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Alto Pro | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (23 ratings)](https://appshunter.io/ios/app/alto-pro/id1641706877/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 27 MB | 50 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Akai Professional](https://appshunter.io/developer/373969727) | [Power Aquaculture SL](https://appshunter.io/developer/6811897472) |

## What reviewers say

### Alto Pro

[App page](https://appshunter.io/ios/app/alto-pro/id1641706877)

Control and configure compatible Alto Professional loudspeakers remotely. Features include stereo linking, EQ selection, Bluetooth levels, and customizable EQ settings for individual channels.

**Highlights:** True Stereo Wireless Speaker Linking, Speaker Use EQ Selection, Sub Size Selection, Bluetooth Levels, Customizable EQ, Individual Channel EQ

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

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-nites/id6819310402)

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

**In-app purchases:** none


## Frequently asked questions

### Is Alto Pro free?

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

### Is D free?

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

### Do Alto Pro or D have ads?

Neither Alto Pro nor D shows ads.

### Which is updated more often, Alto Pro or D?

Alto Pro ships an update every 3 months, and D every 3 weeks. Most recently, Alto Pro was updated on November 3, 2026 and D on November 6, 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.*