# Estill Exercises vs GleeWorld

The clearest difference is in-app purchases: GleeWorld at none against Estill Exercises's 1. GleeWorld also leads on update cadence (every 4 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Estill Exercises sells 1 in-app purchase, starting at $9.99 per month. GleeWorld asks for nothing beyond the download.

Estill Exercises ships an update every 6 weeks, GleeWorld every 4 days. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Estill Exercises | GleeWorld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/estill-exercises/id1526848882/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Subscription | — |
| Size | 16 MB | 99 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Estill Voice International, LLC](https://appshunter.io/developer/1222358364) | [kevin johnson](https://appshunter.io/developer/846064833) |

## What reviewers say

### Estill Exercises

[App page](https://appshunter.io/ios/app/estill-exercises/id1526848882)

Master vocal techniques with guided exercises and expert instruction. Track your progress, review study materials in multiple languages, and connect with a community of learners. Perfect for both beginners and experienced users looking to refine their voice.

**Highlights:** Personalized user center with notes and bookmarks, Study materials in 6 languages, Expert-guided video lessons, Progress tracking and practice logging, Audio training exercises, Interactive flashcards for exam prep, Attractor state check-in

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Estill Exercises Monthly | $9.99 | per month |


### GleeWorld

[App page](https://appshunter.io/ios/app/gleeworld/id6779189993)

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

**In-app purchases:** none


## Frequently asked questions

### Is Estill Exercises free?

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

### Is GleeWorld free?

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

### Do Estill Exercises or GleeWorld have ads?

Neither Estill Exercises nor GleeWorld shows ads.

### Which is updated more often, Estill Exercises or GleeWorld?

Estill Exercises ships an update every 6 weeks, and GleeWorld every 4 days. Most recently, Estill Exercises was updated on October 17, 2026 and GleeWorld on October 2, 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.*