# Grammatikduellen vs Colored Letters

The clearest difference is price: Colored Letters at Free against Grammatikduellen's $1.99. Colored Letters also leads on update cadence (weekly vs every 28 months). Grammatikduellen's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.1). On ads and device support there is nothing between them.

Colored Letters is free to download; Grammatikduellen costs $1.99 up front. Colored Letters sells 10 in-app purchases, starting at $3.99 per month. Grammatikduellen asks for nothing beyond the download.

Grammatikduellen ships an update every 28 months, Colored Letters weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Grammatikduellen | Colored Letters |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Weekly** |
| Size | 16 MB | 53 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jan Essig](https://appshunter.io/developer/446378172) | [Alegor AB](https://appshunter.io/developer/1473601287) |

## What reviewers say

### Grammatikduellen

[App page](https://appshunter.io/ios/app/grammatikduellen/id1004316133)

**Features:** macOS Compatibility

**In-app purchases:** none


### Colored Letters

[App page](https://appshunter.io/ios/app/colored-letters/id6749145170)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $3.99 | per month |
| Premium yearly | $19.99 | per year |
| Fånga ballonger | $0.99 | one-time |
| A Little House | $1.99 | one-time |
| Träna ljudkartan | $2.99 | one-time |
| Träna ord | $2.99 | one-time |
| Countings is Easy | $7.99 | one-time |
| Learn to read in English  - 2 | $7.99 | one-time |
| Räkna är Lätt | $7.99 | one-time |
| Learn to read in English | $7.99 | one-time |


## Frequently asked questions

### Is Grammatikduellen free?

Grammatikduellen costs $1.99, with no in-app purchases.

### Is Colored Letters free?

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

### Do Grammatikduellen or Colored Letters have ads?

Neither Grammatikduellen nor Colored Letters shows ads.

### Which is updated more often, Grammatikduellen or Colored Letters?

Grammatikduellen ships an update every 28 months, and Colored Letters weekly. Most recently, Grammatikduellen was updated on October 24, 2026 and Colored Letters 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.*