# Endocrine System Learning vs IELTS Prep App

The clearest difference is price: IELTS Prep App at Free against Endocrine System Learning's $1.99. Endocrine System Learning's advantage is in-app purchases (none vs 7) and iOS requirement (11.0 vs 16.0). On ads and device support there is nothing between them.

IELTS Prep App is free to download; Endocrine System Learning costs $1.99 up front. IELTS Prep App sells 7 in-app purchases, starting at $5.99 per 7 days. Endocrine System Learning asks for nothing beyond the download.

## The numbers

| Metric | Endocrine System Learning | IELTS Prep App |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.7 (74 ratings)](https://appshunter.io/ios/app/ielts-prep-app-practice/id6759160881/reviews)** |
| Number of ratings | — | **74** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 52 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Gulsen CAKIR](https://appshunter.io/developer/1788187985) | [Syed Sahib Sultan](https://appshunter.io/developer/1772841767) |

## What reviewers say

### Endocrine System Learning

[App page](https://appshunter.io/ios/app/endocrine-system-learning/id6746044366)

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

**In-app purchases:** none


### IELTS Prep App

[App page](https://appshunter.io/ios/app/ielts-prep-app-practice/id6759160881)

Prepare for IELTS exams with AI-powered practice for speaking, writing, and reading. Receive detailed feedback, personalized study plans, and band score estimates to improve your skills and achieve your target score.

**Highlights:** AI-powered speaking practice with simulations, Detailed AI feedback on speaking and writing, Personalized study plans, Practice with real exam-style cue cards, Timed reading practice tests, Writing Task 1 & 2 preparation

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IELTS Pro Access Weekly | $5.99 | per 7 days |
| IELTS Pro Access Monthly | $12.99 | per month |
| IELTS Pro Access Monthly | $12.99 | per month |
| IELTS Pro Access 3 Months | $19.99 | per 3 months |
| ELTS Pro Access 6 Months | $29.99 | per 6 months |
| IELTS Pro Access 1 Year | $29.99 | per year |
| IELTS Pro Access Yearly | $39.99 | per year |


## Frequently asked questions

### Is Endocrine System Learning free?

Endocrine System Learning costs $1.99, with no in-app purchases.

### Is IELTS Prep App free?

IELTS Prep App is free to download, with in-app purchases available.

### Do Endocrine System Learning or IELTS Prep App have ads?

Neither Endocrine System Learning nor IELTS Prep App shows ads.

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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.*