# uHacker vs Stelline

The clearest difference is ads: Stelline at none against uHacker's shown. Stelline also leads on update cadence (every 4 days vs every 9 days). uHacker's advantage is iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. uHacker sells 3 one-off in-app purchases and Stelline sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

uHacker ships an update every 9 days, Stelline every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | uHacker | Stelline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stelline-star-logic-puzzles/id6808032290/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Paid |
| Size | 6 MB | 6 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Kusama Yoshiki](https://appshunter.io/developer/6783340205) | [ANDELIS STUDIO LLC](https://appshunter.io/developer/6808032472) |

## What reviewers say

### uHacker

[App page](https://appshunter.io/ios/app/uhacker/id6789878516)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| チップ 10枚 | $0.99 | one-time |
| PREMIUM（広告除去・全テーマ） | $2.99 | one-time |
| チップ 60枚 | $3.99 | one-time |


### Stelline

[App page](https://appshunter.io/ios/app/stelline-star-logic-puzzles/id6808032290)

This logic puzzle game challenges players to place queens and stars on a grid according to specific rules. It offers unlimited, unique boards generated on your device, with a hint system designed to teach deduction techniques. Enjoy a calm, ad-free experience with no account required.

**Highlights:** Unlimited, unique logic puzzle boards, On-device board generation, Verified single solutions, Deduction-based hint system, Multiple difficulty levels, Customizable color palettes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stelline Unlimited | $1.99 | one-time |


## Frequently asked questions

### Is uHacker free?

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

### Is Stelline free?

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

### Do uHacker or Stelline have ads?

uHacker shows ads; Stelline does not.

### Which is updated more often, uHacker or Stelline?

uHacker ships an update every 9 days, and Stelline every 4 days. Most recently, uHacker was updated on October 24, 2026 and Stelline 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.*