# SPC Sign vs Sonarpad

The clearest difference is update cadence: Sonarpad at every 5 weeks against SPC Sign's every 8 months. SPC Sign's advantage is iOS requirement (12.3 vs 15.5). 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.

SPC Sign ships an update every 8 months, Sonarpad every 5 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SPC Sign | Sonarpad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sonarpad/id6773411885/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 28 MB | 257 MB |
| Requires iOS | **12.3** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aruba S.p.A.](https://appshunter.io/developer/461429240) | [Ambrogio Riili](https://appshunter.io/developer/6773411887) |

## What reviewers say

### SPC Sign

[App page](https://appshunter.io/ios/app/spc-sign/id1320911019)

**In-app purchases:** none


### Sonarpad

[App page](https://appshunter.io/ios/app/sonarpad/id6773411885)

This app helps you read, listen to, and organize various types of content, including documents, news, podcasts, and more. It offers text-to-speech functionality, search capabilities, and supports multiple export formats for your documents.

**Highlights:** Read and organize documents, Text-to-speech functionality, Import and export documents (DOCX, EPUB, PDF), Follow RSS news feeds, Search and listen to podcasts, Search and listen to radio stations, Check routes, weather, and calendar

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

**In-app purchases:** none


## Frequently asked questions

### Is SPC Sign free?

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

### Is Sonarpad free?

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

### Do SPC Sign or Sonarpad have ads?

Neither SPC Sign nor Sonarpad shows ads.

### Which is updated more often, SPC Sign or Sonarpad?

SPC Sign ships an update every 8 months, and Sonarpad every 5 weeks. Most recently, SPC Sign was updated on October 7, 2026 and Sonarpad on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*