# Simple Spider vs For Science!

The clearest difference is review sentiment: For Science! at 50% against Simple Spider's 0%. For Science! also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 16 months). Simple Spider's advantage is ratings volume (7 vs 2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

For Science! holds the better App Store score, 3.0 against 2.7. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 0% of Simple Spider's written reviews are positive against 50% of For Science!'s.

Simple Spider ships an update every 16 months, For Science! every 2 weeks. The most recent releases landed on August 25, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Simple Spider | For Science! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (7 ratings)](https://appshunter.io/ios/app/simple-spider-solitaire/id803938193/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/for-science/id1565887160/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 15 MB | 53 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Kazunari Hiyoshi](https://appshunter.io/developer/517438375) | [Grey Fox Games](https://appshunter.io/developer/1165207737) |

## What reviewers say

### Simple Spider

[App page](https://appshunter.io/ios/app/simple-spider-solitaire/id803938193)

Experience a classic card game with intuitive touch controls for moving and drawing cards. Offers multiple game modes and sound options for a customizable solo play experience. Compete with others through Gamecenter integration.

**Highlights:** Touch and drag card movement, Draw cards by touching stacks, Undo functionality, Sound ON/OFF toggle, Three game modes (1, 2, 4 suits), Gamecenter integration

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

**In-app purchases:** none


### For Science!

[App page](https://appshunter.io/ios/app/for-science/id1565887160)

Enhance your board game experience with this companion app. It provides immersive audio, sound effects, and voice acting to bring the game's theme to life. Customize game length and difficulty for a personalized challenge.

**Highlights:** Real-time timer, Thematic music, Sound effects, Voice acting, Customizable difficulty, Adjustable game length

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Spider free?

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

### Is For Science! free?

For Science! is free to download, with no in-app purchases.

### Which has better reviews, Simple Spider or For Science!?

For Science! is rated higher. Simple Spider averages 2.7 out of 5 from 7 ratings, while For Science! averages 3.0 from 2 ratings.

### Do Simple Spider or For Science! have ads?

Simple Spider shows ads; For Science! does not.

### Which is updated more often, Simple Spider or For Science!?

Simple Spider ships an update every 16 months, and For Science! every 2 weeks. Most recently, Simple Spider was updated on August 25, 2026 and For Science! on June 11, 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.*