# Aquila vs Learning OOP

The clearest difference is update cadence: Learning OOP at every 9 days against Aquila's every 2 months. Learning OOP also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Aquila sells 4 in-app purchases, starting at $2.99 per month and Learning OOP sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Aquila ships an update every 2 months, Learning OOP every 9 days. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Aquila | Learning OOP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aquila-english-learning/id6766979143/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 122 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Jhon Hernandez](https://appshunter.io/developer/1857836441) | [Airton Siqueira de Freitas](https://appshunter.io/developer/1809776051) |

## What reviewers say

### Aquila

[App page](https://appshunter.io/ios/app/aquila-english-learning/id6766979143)

This app offers a structured 30-day English learning path designed by an experienced teacher. It includes daily lessons, smart reviews, pronunciation practice, and interactive exercises to improve grammar and speaking skills. The app also tracks your English usage outside of the application.

**Highlights:** 30-day structured learning route, Smart spaced repetition reviews, Pronunciation lab with phonetic alphabet, Interactive speaking and writing practice, Tracks English usage outside the app, Placement test for personalized starting level

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aquila Pro — Monthly | $2.99 | per month |
| Aquila Pro — Annual | $19.99 | per year |
| Tech English Course | $14.99 | one-time |
| Aquila Pro — Lifetime | $34.99 | one-time |


### Learning OOP

[App page](https://appshunter.io/ios/app/learning-oop/id6776850297)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CERTIFICATE OF COMPLETION | $2.99 | one-time |
| Full access with discount | $3.99 | one-time |
| Full access | $4.99 | one-time |
| FULL PASS ALL APP | $17.99 | one-time |


## Frequently asked questions

### Is Aquila free?

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

### Is Learning OOP free?

Learning OOP is free to download, with in-app purchases available.

### Do Aquila or Learning OOP have ads?

Neither Aquila nor Learning OOP shows ads.

### Which is updated more often, Aquila or Learning OOP?

Aquila ships an update every 2 months, and Learning OOP every 9 days. Most recently, Aquila was updated on October 17, 2026 and Learning OOP on October 28, 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.*