# Weights & Biases vs System Sounds for Developers

Weights & Biases and System Sounds for Developers are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Weights & Biases | System Sounds for Developers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (14 ratings)](https://appshunter.io/ios/app/weights-and-biases/id6755162576/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 49 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Weights and Biases](https://appshunter.io/developer/1852334234) | [Takashi Goto](https://appshunter.io/developer/6784282457) |

## What reviewers say

### Weights & Biases

[App page](https://appshunter.io/ios/app/weights-and-biases/id6755162576)

Monitor machine learning experiments in real time from your mobile device. Get notified about important events like run completion or metric changes. Quickly review results and track key performance indicators for your training runs.

**Highlights:** Monitor live and completed runs, View training curves, Track loss, accuracy, and custom metrics, Receive run completion notifications, Get alerted on key metric changes, Sanity-check results quickly

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

**In-app purchases:** none


### System Sounds for Developers

[App page](https://appshunter.io/ios/app/system-sounds-for-developers/id6787648226)

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

**In-app purchases:** none


## Frequently asked questions

### Is Weights & Biases free?

Weights & Biases is free to download, with no in-app purchases.

### Is System Sounds for Developers free?

System Sounds for Developers is free to download, with no in-app purchases.

### Do Weights & Biases or System Sounds for Developers have ads?

Neither Weights & Biases nor System Sounds for Developers shows ads.

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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.*