# eSlate vs Sidus Audio

The clearest difference is price: Sidus Audio at Free against eSlate's $2.99. Sidus Audio also leads on in-app purchases (none vs 2) and review sentiment (71% vs 50%). eSlate's advantage is iOS requirement (12.0 vs 15.0). On ratings volume, ads and device support there is nothing between them.

Sidus Audio is free to download; eSlate costs $2.99 up front. eSlate sells 2 one-off in-app purchases. Sidus Audio asks for nothing beyond the download.

Sidus Audio holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 14 and 17 respectively. Written reviews point the same way: 50% of eSlate's written reviews are positive against 71% of Sidus Audio's.

eSlate ships an update every 3 months, Sidus Audio every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | eSlate | Sidus Audio |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/eslate/id1526008874/reviews) | **[4.4 (17 ratings)](https://appshunter.io/ios/app/sidus-audio/id1617213662/reviews)** |
| Number of ratings | 14 | **17** |
| Positive reviews | 50.0% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 14 MB | 50 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆猛 邓](https://appshunter.io/developer/620435580) | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) |

## What reviewers say

### eSlate

[App page](https://appshunter.io/ios/app/eslate/id1526008874)

A digital slate app for iOS devices that allows users to tap and edit slate information. It offers a lock feature to prevent accidental edits and provides nine different styling modes to customize the slate's appearance.

**Highlights:** Digital slate functionality, Tap to edit slate text, Lockable editing mode, Nine style modes, iPad, iPhone, and iPod Touch support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Unlock all modes | $1.99 | one-time |


### Sidus Audio

[App page](https://appshunter.io/ios/app/sidus-audio/id1617213662)

This app allows professional audio engineers and sound enthusiasts to wirelessly connect and control multiple audio devices. It features an intelligent network for stable communication, centralized monitoring, and parameter presets, all accessible through a user-friendly interface.

**Highlights:** Intelligent audio network, Wireless device control, Centralized monitoring, Parameter presets, Cloud synchronization, Demo mode

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

**In-app purchases:** none


## Frequently asked questions

### Is eSlate free?

eSlate costs $2.99, and also offers in-app purchases.

### Is Sidus Audio free?

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

### Which has better reviews, eSlate or Sidus Audio?

Sidus Audio is rated higher. eSlate averages 4.1 out of 5 from 14 ratings, while Sidus Audio averages 4.4 from 17 ratings.

### Do eSlate or Sidus Audio have ads?

Neither eSlate nor Sidus Audio shows ads.

### Which is updated more often, eSlate or Sidus Audio?

eSlate ships an update every 3 months, and Sidus Audio every 6 weeks. Most recently, eSlate was updated on October 24, 2026 and Sidus Audio on October 24, 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.*