# Codalingo vs Ki

The clearest difference is in-app purchases: Ki at none against Codalingo's 14. Ki also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads 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. Ki asks for nothing beyond the download.

Codalingo ships an update every 4 months, Ki every 5 months. The most recent releases landed on September 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Codalingo | Ki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/codalingo-learn-dart-flutter/id6480119037/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 31 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ammar Khatib](https://appshunter.io/developer/1613990135) | [Slingui](https://appshunter.io/developer/1739160459) |

## What reviewers say

### 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 |


### Ki

[App page](https://appshunter.io/ios/app/ki-bird/id6746722488)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Codalingo free?

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

### Is Ki free?

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

### Do Codalingo or Ki have ads?

Both Codalingo and Ki show ads.

### Which is updated more often, Codalingo or Ki?

Codalingo ships an update every 4 months, and Ki every 5 months. Most recently, Codalingo was updated on September 2, 2026 and Ki on September 23, 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.*