# Vopper 100 vs Clue Formula

The clearest difference is ads: Vopper 100 at none against Clue Formula's shown. Clue Formula's advantage is update cadence (every 4 days vs every 2 weeks) and ratings volume (4 vs 1). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Vopper 100 sells 2 one-off in-app purchases and Clue Formula sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Vopper 100 against 5.0 for Clue Formula. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Vopper 100 ships an update every 2 weeks, Clue Formula every 4 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Vopper 100 | Clue Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/vopper-100/id873650816/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/clue-formula/id1616776014/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 37 MB | 22 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Valgy](https://appshunter.io/developer/464576000) | [x2line.com LLC](https://appshunter.io/developer/425135293) |

## What reviewers say

### Vopper 100

[App page](https://appshunter.io/ios/app/vopper-100/id873650816)

A number puzzle game where players strategically manipulate tiles to reach exactly 100. It features 100 levels across four distinct worlds, each introducing unique challenges and mechanics.

**Highlights:** 100 handcrafted levels, Four themed worlds with unique mechanics, Progressive board sizes, Eight-direction tile movement, One-move undo, Modern visuals and haptic feedback, VoiceOver and Reduce Motion support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Extra Worlds + Bonus | $2.99 | one-time |


### Clue Formula

[App page](https://appshunter.io/ios/app/clue-formula/id1616776014)

Engage in a 3D Mahjong puzzle game featuring IQ-test style tiles. Match selectable pairs to clear levels, with increasing difficulty as you progress. Utilize hints and shuffles to aid your gameplay and compete on leaderboards.

**Highlights:** 3D Mahjong puzzle gameplay, IQ-test style tiles, Layered 3D levels, Hint and shuffle options, Leaderboard competition, VoiceOver accessibility

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint | $0.99 | one-time |
| Shuffle | $0.99 | one-time |


## Frequently asked questions

### Is Vopper 100 free?

Vopper 100 is free to download, with in-app purchases available.

### Is Clue Formula free?

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

### Which has better reviews, Vopper 100 or Clue Formula?

Vopper 100 and Clue Formula are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Vopper 100 or Clue Formula have ads?

Clue Formula shows ads; Vopper 100 does not.

### Which is updated more often, Vopper 100 or Clue Formula?

Vopper 100 ships an update every 2 weeks, and Clue Formula every 4 days. Most recently, Vopper 100 was updated on November 1, 2026 and Clue Formula on November 4, 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.*