# Portal Dr Joao vs Codalingo

The clearest difference is in-app purchases: Portal Dr Joao at none against Codalingo's 14. Portal Dr Joao also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Codalingo sells 14 in-app purchases, starting at $1.99 per month. Portal Dr Joao asks for nothing beyond the download.

## The numbers

| Metric | Portal Dr Joao | Codalingo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (23 ratings)](https://appshunter.io/ios/app/codalingo-learn-dart-flutter/id6480119037/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 113 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Members](https://appshunter.io/developer/1653824858) | [Ammar Khatib](https://appshunter.io/developer/1613990135) |

## What reviewers say

### Portal Dr Joao

[App page](https://appshunter.io/ios/app/portal-dr-joao/id6450791331)

**Features:** macOS Compatibility

**In-app purchases:** none


### Codalingo

[App page](https://appshunter.io/ios/app/codalingo-learn-dart-flutter/id6480119037)

Master Dart and Flutter with interactive quizzes and diverse question formats. Track your progress on the leaderboard and review tricky concepts. Offers a dynamic learning experience for all skill levels.

**Highlights:** Interactive quizzes, Diverse question formats, Leaderboard, Progress review, Targeted practice, Customizable challenges

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium with discount | $4.99 | per year |
| Premium Month | $6.99 | per month |
| Yearly Premium 30% off | $9.99 | per year |
| Yearly Premium (Offer & Trial) | $9.99 | per year |
| Yearly Premium | $17.99 | per year |
| 6 months Premium | $24.99 | per 6 months |
| Premium Year | $29.99 | per year |
| Remove ads | $1.99 | one-time |
| 1 Premium Category | $1.99 | one-time |
| 2 Premium Categories | $2.99 | one-time |
| Unlock Premium | $4.99 | one-time |
| 5 Premium Categories | $4.99 | one-time |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Portal Dr Joao free?

Portal Dr Joao is free to download, with no in-app purchases.

### Is Codalingo free?

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

### Do Portal Dr Joao or Codalingo have ads?

Codalingo shows ads; Portal Dr Joao does not.

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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.*