# Lines! vs Euler VS

The clearest difference is in-app purchases: Lines! at none against Euler VS's 2. Lines! also leads on ratings volume (56 vs 5) and iOS requirement (9.0 vs 15.2). Euler VS's advantage is rating (5.0 vs 4.6) and update cadence (every 8 months vs every 36 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Euler VS sells 2 one-off in-app purchases. Lines! asks for nothing beyond the download.

Euler VS holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Lines! has 56 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 94% of Lines!'s written reviews are positive against 100% of Euler VS's.

Lines! ships an update every 36 months, Euler VS every 8 months. The most recent releases landed on September 21, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Lines! | Euler VS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (56 ratings)](https://appshunter.io/ios/app/lines/id390391751/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/euler-vs/id6495234606/reviews)** |
| Number of ratings | **56** | 5 |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 8 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 12 MB |
| Requires iOS | **9.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch** | iPhone, iPad, iPod, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Carl Gorringe](https://appshunter.io/developer/390391754) | [AllOneWord Software LLC](https://appshunter.io/developer/1740646658) |

## What reviewers say

### Lines!

[App page](https://appshunter.io/ios/app/lines/id390391751)

This app creates a mesmerizing visual experience with moving, multi-colored lines that bounce off screen edges. It functions like a dynamic screensaver, perfect for placing your device upright or holding it. Enjoy a visually soothing and colorful display on your iOS device.

**Highlights:** Dynamic line animation, Multi-color transitions, Bounces off screen edges, Mesmerizing visual display, Works on iPhone, iPad, Apple Watch, and TV

**Features:** macOS Compatibility

**In-app purchases:** none


### Euler VS

[App page](https://appshunter.io/ios/app/euler-vs/id6495234606)

Explore a dynamic world of geometric art and visual synthesis with interactive touch controls. Design and play with harmonic motion and color systems, with options to expand your library through in-app purchases. Sync your creations from macOS for a seamless experience.

**Highlights:** Interactive geometric art, Harmonic motion exploration, Touch-driven visual synthesis, 24 professional presets, In-app preset packs, Tap Tempo feature, iCloud sync with macOS

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Townsend '94 Bank | $0.99 | one-time |
| King St. Garage | $0.99 | one-time |


## Frequently asked questions

### Is Lines! free?

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

### Is Euler VS free?

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

### Which has better reviews, Lines! or Euler VS?

Euler VS is rated higher. Lines! averages 4.6 out of 5 from 56 ratings, while Euler VS averages 5.0 from 5 ratings.

### Do Lines! or Euler VS have ads?

Neither Lines! nor Euler VS shows ads.

### Which is updated more often, Lines! or Euler VS?

Lines! ships an update every 36 months, and Euler VS every 8 months. Most recently, Lines! was updated on September 21, 2026 and Euler VS 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.*