# Fast Prep for IELTS vs Lingo Diary

The clearest difference is device support: Fast Prep for IELTS at 3 against Lingo Diary's 1. Fast Prep for IELTS also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Fast Prep for IELTS sells 10 in-app purchases, starting at $9.99 per month and Lingo Diary sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Fast Prep for IELTS ships an update every 4 days, Lingo Diary every 3 days. The most recent releases landed on November 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fast Prep for IELTS | Lingo Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 101 MB | 46 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JIH MING CHEN](https://appshunter.io/developer/1816256905) | [SPARKLECT CO.,LTD.](https://appshunter.io/developer/1609566694) |

## What reviewers say

### Fast Prep for IELTS

[App page](https://appshunter.io/ios/app/fast-prep-for-ielts/id6751887250)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essential Prep | $9.99 | per month |
| Score Booster | $14.99 | per month |
| Intensive Prep | $24.99 | per month |
| Essential Prep | $69.99 | per year |
| Score Booster | $119.99 | per year |
| Intensive Prep | $199.99 | per year |
| 5 Credits | $2.99 | one-time |
| 10 Credits | $4.99 | one-time |
| 20 Credits | $9.99 | one-time |
| IELTS Guide | $19.99 | one-time |


### Lingo Diary

[App page](https://appshunter.io/ios/app/lingo-diary-learn-by-talking/id6760644930)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $9.99 | per month |
| Pro | $12.99 | per month |
| Max | $19.99 | per month |


## Frequently asked questions

### Is Fast Prep for IELTS free?

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

### Is Lingo Diary free?

Lingo Diary is free to download, with in-app purchases available.

### Do Fast Prep for IELTS or Lingo Diary have ads?

Both Fast Prep for IELTS and Lingo Diary show ads.

### Which is updated more often, Fast Prep for IELTS or Lingo Diary?

Fast Prep for IELTS ships an update every 4 days, and Lingo Diary every 3 days. Most recently, Fast Prep for IELTS was updated on November 8, 2026 and Lingo Diary on October 25, 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.*