# YSS ELC vs CheckBoostAudio

The clearest difference is update cadence: CheckBoostAudio at every 3 days against YSS ELC's every 5 months. YSS ELC's advantage is iOS requirement (8.0 vs 13.0). 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.

YSS ELC ships an update every 5 months, CheckBoostAudio every 3 days. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | YSS ELC | CheckBoostAudio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/yss-elc/id908053550/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 10 MB | 32 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edusoft.ltd](https://appshunter.io/developer/908053553) | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) |

## What reviewers say

### YSS ELC

[App page](https://appshunter.io/ios/app/yss-elc/id908053550)

Prepare for the speaking sections of TOEFL Junior and TOEFL Primary tests. Practice conversational skills and answering open-ended questions to build confidence for exam success.

**Highlights:** TOEFL Junior speaking practice, TOEFL Primary speaking practice, Conversation practice, Open-ended question answering, Exam preparation

**Features:** macOS Compatibility

**In-app purchases:** none


### CheckBoostAudio

[App page](https://appshunter.io/ios/app/checkboostaudio/id6740433605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YSS ELC free?

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

### Is CheckBoostAudio free?

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

### Do YSS ELC or CheckBoostAudio have ads?

Neither YSS ELC nor CheckBoostAudio shows ads.

### Which is updated more often, YSS ELC or CheckBoostAudio?

YSS ELC ships an update every 5 months, and CheckBoostAudio every 3 days. Most recently, YSS ELC was updated on October 2, 2026 and CheckBoostAudio on October 17, 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.*