# IELTS Practice | Test | Ace vs Redleo CDI

The clearest difference is price: Redleo CDI at Free against IELTS Practice | Test | Ace's $2.99. Redleo CDI also leads on in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.0). On ads and device support there is nothing between them.

Redleo CDI is free to download; IELTS Practice | Test | Ace costs $2.99 up front. IELTS Practice | Test | Ace sells 2 in-app purchases, starting at $69.99 per year. Redleo CDI asks for nothing beyond the download.

## The numbers

| Metric | IELTS Practice | Test | Ace | Redleo CDI |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 103 MB | 25 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LINGOIMPACTWORLD LTD](https://appshunter.io/developer/1843903815) | [Quanzhou Beiwa Electronics Technology Co., Ltd.](https://appshunter.io/developer/6786181127) |

## What reviewers say

### IELTS Practice | Test | Ace

[App page](https://appshunter.io/ios/app/ielts-practice-test-ace/id6757429591)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| membership | $69.99 | per year |
| lifetime membership | $59.99 | one-time |


### Redleo CDI

[App page](https://appshunter.io/ios/app/redleo-cdi/id6786181124)

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

**In-app purchases:** none


## Frequently asked questions

### Is IELTS Practice | Test | Ace free?

IELTS Practice | Test | Ace costs $2.99, and also offers in-app purchases.

### Is Redleo CDI free?

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

### Do IELTS Practice | Test | Ace or Redleo CDI have ads?

Neither IELTS Practice | Test | Ace nor Redleo CDI 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.*