# Wer wird Milliardär? vs Carboxylic Acids and Esters

The clearest difference is price: Wer wird Milliardär? at Free against Carboxylic Acids and Esters's $0.99. Wer wird Milliardär? also leads on in-app purchases (none vs 2) and update cadence (every 2 months vs every 43 months). Carboxylic Acids and Esters's advantage is rating (5.0 vs 3.9) and ads (none vs shown). On device support there is nothing between them.

Wer wird Milliardär? is free to download; Carboxylic Acids and Esters costs $0.99 up front. Carboxylic Acids and Esters sells 2 one-off in-app purchases. Wer wird Milliardär? asks for nothing beyond the download.

Carboxylic Acids and Esters holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Wer wird Milliardär? has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 76% of Wer wird Milliardär?'s written reviews are positive against 100% of Carboxylic Acids and Esters's.

Wer wird Milliardär? ships an update every 2 months, Carboxylic Acids and Esters every 43 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Wer wird Milliardär? | Carboxylic Acids and Esters |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.9 (16 ratings)](https://appshunter.io/ios/app/wer-wird-milliardar/id660042117/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/carboxylic-acids-and-esters/id837892461/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 76.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 43 months |
| Monetization | **Ad-supported** | Paid |
| Size | 32 MB | 21 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dimitri Herber](https://appshunter.io/developer/552122932) | [Andrey Solovyev](https://appshunter.io/developer/655223913) |

## What reviewers say

### Wer wird Milliardär?

[App page](https://appshunter.io/ios/app/wer-wird-milliardar/id660042117)

Test your general knowledge in this multiple-choice quiz game. Earn virtual money by answering questions across various difficulty levels and subjects. Develop your strategy to win the ultimate prize.

**Highlights:** Over 15,000 questions (Pro version), Multiple difficulty levels, Virtual currency and bank, Answer aids and hints, User-submitted questions, Offline mode (Pro version)

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

**In-app purchases:** none


### Carboxylic Acids and Esters

[App page](https://appshunter.io/ios/app/carboxylic-acids-and-esters/id837892461)

Test your knowledge of carboxylic acids and esters with interactive quizzes. Learn structures, trivial names, and pKa values for 50 important organic compounds. Supports multiple game modes and flashcards for effective learning.

**Highlights:** Learn structures and trivial names, 50 important acids and esters, pKa values included, Spelling quizzes, Multiple-choice questions, Time attack game mode, Flashcards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | Free | one-time |
| Unlimited Hints | $2.99 | one-time |


## Frequently asked questions

### Is Wer wird Milliardär? free?

Wer wird Milliardär? is free to download, with no in-app purchases.

### Is Carboxylic Acids and Esters free?

Carboxylic Acids and Esters costs $0.99, and also offers in-app purchases.

### Which has better reviews, Wer wird Milliardär? or Carboxylic Acids and Esters?

Carboxylic Acids and Esters is rated higher. Wer wird Milliardär? averages 3.9 out of 5 from 16 ratings, while Carboxylic Acids and Esters averages 5.0 from 2 ratings.

### Do Wer wird Milliardär? or Carboxylic Acids and Esters have ads?

Wer wird Milliardär? shows ads; Carboxylic Acids and Esters does not.

### Which is updated more often, Wer wird Milliardär? or Carboxylic Acids and Esters?

Wer wird Milliardär? ships an update every 2 months, and Carboxylic Acids and Esters every 43 months. Most recently, Wer wird Milliardär? was updated on October 20, 2026 and Carboxylic Acids and Esters on October 18, 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.*