# Telegraph vs SoundClass

The clearest difference is price: SoundClass at Free against Telegraph's $1.99. SoundClass also leads on update cadence (every 10 days vs every 4 months). Telegraph's advantage is in-app purchases (none vs 7) and ads (none vs shown).

SoundClass is free to download; Telegraph costs $1.99 up front. SoundClass sells 7 in-app purchases, starting at $4.99 per month. Telegraph asks for nothing beyond the download.

Telegraph ships an update every 4 months, SoundClass every 10 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Telegraph | SoundClass |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.4 (10 ratings)](https://appshunter.io/ios/app/soundclass/id1511338627/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 70 MB | 54 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Javier Ariel Bargas](https://appshunter.io/developer/1511337275) |

## What reviewers say

### Telegraph

[App page](https://appshunter.io/ios/app/telegraph-morse-code/id985978176)

Learn and practice Morse code through engaging games. Explore various themed scenes to test your knowledge and recall the historical significance of this communication system. A fun way to master the international Morse code alphabet.

**Highlights:** Morse code learning games, Themed play scenes, International Morse code chart, Historical communication practice, Fun and engaging gameplay

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SoundClass

[App page](https://appshunter.io/ios/app/soundclass/id1511338627)

This app uses AI to detect and record various sounds in your environment, providing real-time alerts. It's particularly useful for nighttime awareness, sleep analysis, and documenting incidents.

**Highlights:** AI sound detection, Real-time alerts, Sleep quality analysis, Sound recording and playback, Mosquito and animal sound detection, Everyday sound identification

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Monthly | $4.99 | per month |
| Gold Yearly | $44.99 | per year |
| Battery x 10 | $0.99 | one-time |
| 100 Credits | $0.99 | one-time |
| Battery x 40 | $1.99 | one-time |
| 500 Credits | $2.99 | one-time |
| 1000 Credits | $4.99 | one-time |


## Frequently asked questions

### Is Telegraph free?

Telegraph costs $1.99, with no in-app purchases.

### Is SoundClass free?

SoundClass is free to download, with in-app purchases available.

### Do Telegraph or SoundClass have ads?

SoundClass shows ads; Telegraph does not.

### Which is updated more often, Telegraph or SoundClass?

Telegraph ships an update every 4 months, and SoundClass every 10 days. Most recently, Telegraph was updated on October 8, 2026 and SoundClass on October 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.*