Lines! vs Euler VS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lines!
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.
- Dynamic line animation
- Multi-color transitions
- Bounces off screen edges
- Mesmerizing visual display
- Works on iPhone, iPad, Apple Watch, and TV
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Lines is like a classic screensaver. Run the app, then place your iPhone or iPad upright on the table. Or just hold it in your hand. Watch as the lines move and bounce off the walls, as they smoothly transition between multiple colors. It's really pretty mesmerizing. Hope you enjoy it! Now available for all iOS devices, including the iPhone, iPad, Apple Watch and TV.
Euler VS
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.
- Interactive geometric art
- Harmonic motion exploration
- Touch-driven visual synthesis
- 24 professional presets
- In-app preset packs
- Tap Tempo feature
- iCloud sync with macOS
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Discover a living world of harmonic motion, geometric art, and interactive visual synthesis. Euler VS Player brings the expressive visuals of the macOS app to your iPhone and iPad in a streamlined, touch-driven experience built for exploration, performance, and play. Play Anywhere. Create on macOS. Euler VS Player includes 24 professionally crafted presets, each showcasing unique combinations of periodic functions, harmonic oscillators, geometric transformations, and color systems. Interact with any shape using simple touch gestures to explore animations in real time. Design your own presets using Euler Visual Synthesizer for macOS, organize them into banks, for synchronization with your iOS device through iCloud. Preset Packs and Performance Tools Expand your library with premium professionally designed preset banks available as in-app purchases. For performance and live play, you can tap along to music using the built-in Tap Tempo feature. Tempo-enabled presets will pulse and animate in time with your rhythm. A fully automatic mode is also included, allowing Euler VS Player to cycle through all presets in a bank hands-free. Important Note Euler VS Player is an interactive visual tool. It does not react to external audio input. Tempo-based modulation is controlled manually using Tap Tempo or through automatic playback options.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Lines! | Euler VS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (56 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 94.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 56 — better | 5 |
| Update frequency | Every 36 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple TV, Apple Watch — better | iPhone, iPad, iPod, Apple TV |
| Requires iOS | 9.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 4 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Carl Gorringe | AllOneWord Software LLC |
Customer experience
Lines!
Euler VS
In-app purchases
Lines!
No in-app purchases
Euler VS
- Townsend '94 Bank$0.99
- King St. Garage$0.99
