# Stardrops vs Sudoku Logic Lab

The clearest difference is in-app purchases: Stardrops at none against Sudoku Logic Lab's 1. Stardrops also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). Sudoku Logic Lab's advantage is update cadence (every 2 days vs every 5 days). On price and device support there is nothing between them.

Both are free to download. Sudoku Logic Lab sells 1 one-off in-app purchase. Stardrops asks for nothing beyond the download.

Stardrops ships an update every 5 days, Sudoku Logic Lab every 2 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stardrops | Sudoku Logic Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stardrops/id6804898236/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 19 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CLAY KIM](https://appshunter.io/developer/6790613238) | [ChanGyu Kang](https://appshunter.io/developer/1869205578) |

## What reviewers say

### Stardrops

[App page](https://appshunter.io/ios/app/stardrops/id6804898236)

A quick card game where players strategically play cards to avoid collecting stars. The goal is to have the fewest stars after ten rounds. Offers solo play against AI or local multiplayer with friends over WiFi.

**Highlights:** Strategic card play, Avoid collecting stars, Solo AI opponents, Local WiFi multiplayer, Offline gameplay, Multiple difficulty levels

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

**In-app purchases:** none


### Sudoku Logic Lab

[App page](https://appshunter.io/ios/app/sudoku-logic-lab-learn-and-play/id6816933360)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SudokuLearnLogic Pro | $1.99 | one-time |


## Frequently asked questions

### Is Stardrops free?

Stardrops is free to download, with no in-app purchases.

### Is Sudoku Logic Lab free?

Sudoku Logic Lab is free to download, with in-app purchases available.

### Do Stardrops or Sudoku Logic Lab have ads?

Sudoku Logic Lab shows ads; Stardrops does not.

### Which is updated more often, Stardrops or Sudoku Logic Lab?

Stardrops ships an update every 5 days, and Sudoku Logic Lab every 2 days. Most recently, Stardrops was updated on November 6, 2026 and Sudoku Logic Lab on October 31, 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.*