# SD vs Audio Lambda

SD and Audio Lambda are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SD ships an update every 2 months, Audio Lambda every 3 months. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SD | Audio Lambda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/sd-remote/id1487546591/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 55 MB | 10 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sound Devices, LLC](https://appshunter.io/developer/418450388) | [Audio Lambda](https://appshunter.io/developer/1737345056) |

## What reviewers say

### SD

[App page](https://appshunter.io/ios/app/sd-remote/id1487546591)

Control your Sound Devices 8-Series mixer-recorder remotely from your iPad or iPhone. Manage transport, edit metadata, take notes, monitor outputs, and adjust channel settings like faders, trims, and pan. View large-scale meters and timecode on all screens.

**Highlights:** Remote transport controls, Metadata editing, Take notes, Monitor outputs, Adjust faders, trims, and pan, Channel arming, disarming, solo, and mute, Large-scale channel meters, Timecode display

**Features:** macOS Compatibility

**In-app purchases:** none


### Audio Lambda

[App page](https://appshunter.io/ios/app/audio-lambda/id6479844099)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SD free?

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

### Is Audio Lambda free?

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

### Do SD or Audio Lambda have ads?

Neither SD nor Audio Lambda shows ads.

### Which is updated more often, SD or Audio Lambda?

SD ships an update every 2 months, and Audio Lambda every 3 months. Most recently, SD was updated on October 1, 2026 and Audio Lambda on October 4, 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.*