# Complete IELTS Preparation vs IELTS Flex

The clearest difference is ads: IELTS Flex at none against Complete IELTS Preparation's shown. Complete IELTS Preparation's advantage is ratings volume (13 vs 1) and iOS requirement (11.0 vs 15.0). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Complete IELTS Preparation sells 2 in-app purchases, starting at $0.99 per 3 months and IELTS Flex sells 21 in-app purchases, starting at $68.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Complete IELTS Preparation against 5.0 for IELTS Flex. That said, the two scores are not equally well evidenced: Complete IELTS Preparation has 13 ratings behind it against 1, so its average is the more settled of the two.

Complete IELTS Preparation ships an update every 2 weeks, IELTS Flex fortnightly. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Complete IELTS Preparation | IELTS Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/complete-ielts-preparation/id6444115506/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ielts-flex/id6476671647/reviews) |
| Number of ratings | **13** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 44 MB | 68 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Xuan Trung Truong](https://appshunter.io/developer/1526935201) | [Guided e-Learning](https://appshunter.io/developer/651514571) |

## What reviewers say

### Complete IELTS Preparation

[App page](https://appshunter.io/ios/app/complete-ielts-preparation/id6444115506)

Enhance your IELTS exam preparation with comprehensive tools for Listening, Reading, Writing, and Speaking. Access expert tips, practice tests with answers, sample essays, and audio exercises. Improve your band score with various techniques and study offline.

**Highlights:** IELTS test overview, Listening, Reading, Writing, Speaking practice, Free practice tests with answers, Sample essays and speaking tests, Audio speaking tests, Offline study mode, Irregular verbs table

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads for 3 months | $0.99 | per 3 months |
| Remove all ads for 1 Year | $5.99 | per year |


### IELTS Flex

[App page](https://appshunter.io/ios/app/ielts-flex/id6476671647)

Prepare for your IELTS exam with AI-powered practice tests, personalized feedback, and live classes. Get accurate score predictions and improve your writing and speaking skills with expert tutors.

**Highlights:** AI-powered IELTS preparation, Realistic mock tests, AI writing and speaking feedback, Live and on-demand classes, 1-to-1 expert tutor sessions, Score predictions

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month IELTS Flex Gateway | $68.99 | per month |
| 1 month IELTS Flex Advantage | $69.99 | per month |
| 1 month IELTS Flex Advantage | $88.99 | per month |
| 6 months IELTS Flex Gateway | $269.99 | per 6 months |
| 6 months IELTS Flex Gateway | $329.00 | per 6 months |
| 6 month IELTS Flex Advantage | $329.99 | per 6 months |
| 6 month IELTS Flex Advantage | $419.00 | per 6 months |
| Mock Exam | $3.99 | one-time |
| IELTS Flex Gateway | $9.99 | one-time |
| Feedback for completed work | $14.99 | one-time |
| IELTS Flex Advantage | $14.99 | one-time |
| Advantage mock test | $14.99 | one-time |
| IELTS Flex Gateway Upgrade | $14.99 | one-time |
| IELTS Flex Gateway | $16.00 | one-time |
| IELTS Flex Advantage | $21.00 | one-time |
| 1 Flex Lesson | $24.99 | one-time |
| IELTS Flex Gateway | $24.99 | one-time |
| IELTS Flex Advantage | $39.99 | one-time |
| IELTS Ready Premium Advantage | $69.99 | one-time |
| 3 Flex Lessons | $74.99 | one-time |
| 5 Flex Lessons | $124.99 | one-time |


## Frequently asked questions

### Is Complete IELTS Preparation free?

Complete IELTS Preparation is free to download, with in-app purchases available.

### Is IELTS Flex free?

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

### Which has better reviews, Complete IELTS Preparation or IELTS Flex?

Complete IELTS Preparation and IELTS Flex are both rated 5.0 out of 5 on the App Store, from 13 and 1 ratings respectively.

### Do Complete IELTS Preparation or IELTS Flex have ads?

Complete IELTS Preparation shows ads; IELTS Flex does not.

### Which is updated more often, Complete IELTS Preparation or IELTS Flex?

Complete IELTS Preparation ships an update every 2 weeks, and IELTS Flex fortnightly. Most recently, Complete IELTS Preparation was updated on October 10, 2026 and IELTS Flex on October 18, 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.*