# CardsAlone vs Clue Formula

The clearest difference is price: Clue Formula at Free against CardsAlone's $0.99. Clue Formula also leads on update cadence (every 4 days vs every 18 months) and rating (5.0 vs 4.7). CardsAlone's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Clue Formula is free to download; CardsAlone costs $0.99 up front. Clue Formula sells 2 one-off in-app purchases. CardsAlone asks for nothing beyond the download.

Clue Formula holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CardsAlone has 62 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 85% of CardsAlone's written reviews are positive against 100% of Clue Formula's.

CardsAlone ships an update every 18 months, Clue Formula every 4 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CardsAlone | Clue Formula |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.7 (62 ratings)](https://appshunter.io/ios/app/cardsalone/id437437053/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/clue-formula/id1616776014/reviews)** |
| Number of ratings | **62** | 4 |
| Positive reviews | 85.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 22 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Iiro Viitanen](https://appshunter.io/developer/437437056) | [x2line.com LLC](https://appshunter.io/developer/425135293) |

## What reviewers say

### CardsAlone

[App page](https://appshunter.io/ios/app/cardsalone/id437437053)

Enjoy two unique solitaire games not commonly found in other apps, including Napoleon's Grave and Hexagon. This app offers a simple, accessible experience with VoiceOver support and a one-step undo feature.

**Highlights:** Two unique solitaire games, Napoleon's Grave game, Hexagon game, One-step undo, VoiceOver accessibility, No sounds

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

**In-app purchases:** none


### 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 CardsAlone free?

CardsAlone costs $0.99, with no in-app purchases.

### Is Clue Formula free?

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

### Which has better reviews, CardsAlone or Clue Formula?

Clue Formula is rated higher. CardsAlone averages 4.7 out of 5 from 62 ratings, while Clue Formula averages 5.0 from 4 ratings.

### Do CardsAlone or Clue Formula have ads?

Clue Formula shows ads; CardsAlone does not.

### Which is updated more often, CardsAlone or Clue Formula?

CardsAlone ships an update every 18 months, and Clue Formula every 4 days. Most recently, CardsAlone was updated on November 6, 2026 and Clue Formula on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*