LīnArt (LineArt) vs Two Links Double Pendulum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LīnArt (LineArt)
Easily create beautiful 3D art by simply tapping and dragging your finger. Customize colors and line thickness with 3D Touch support. Save your creations to your photo library to keep them forever.
- Tap and drag drawing
- 3D Touch line size adjustment
- Vibrant color selection
- Customizable canvas color
- Save artwork to photos
- Minimalist interface
Read full descriptionHide full description
Just tap and drag your finger across the canvas to start drawing. Within seconds you can create beautiful images. 3D Touch is supported allowing you to adjust the size of your lines. • Pick from a handful of vibrant colors. • Change the color of the canvas to your liking. • Supports 3D Touch to allow maximum artistic ability. • Save all of your works to your photos so you can cherish them forever. • No menus or settings, just you and your canvas.
Two Links Double Pendulum
Read full descriptionHide full description
Two Links brings one of physics' most beautiful chaotic systems to life. Watch a double pendulum swing, twist, and spiral in real-time 3D — then place it on your floor in Augmented Reality and walk around it. Features • Real-time double pendulum physics (RK4 integration) • AR mode — anchor the pendulum on any flat surface • Orbit the 3D scene freely or let it run hands-free • Adjust link length, pivot position, density, and color • Particle trail from the second link tip • Night sky environment with the Moon and Earth • Pause, shuffle, and watch the chaos reset
Screenshots
Verdict
The clearest difference is in-app purchases: Two Links Double Pendulum at none against LīnArt (LineArt)'s 1. Two Links Double Pendulum also leads on ads (none vs shown). LīnArt (LineArt)'s advantage is update cadence (every 19 months vs every 47 months) and iOS requirement (15.0 vs 18.2). On price 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. LīnArt (LineArt) sells 1 one-off in-app purchase. Two Links Double Pendulum asks for nothing beyond the download.
LīnArt (LineArt) ships an update every 19 months, Two Links Double Pendulum every 47 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | LīnArt (LineArt) | Two Links Double Pendulum |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 19 months — better | Every 47 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 8 MB | 281 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicholas Giarraputo | Eliott Radcliffe |
In-app purchases
LīnArt (LineArt)
- LīnArt Pro$0.99
Two Links Double Pendulum
No in-app purchases
Questions
Is LīnArt (LineArt) free?
Is Two Links Double Pendulum free?
Do LīnArt (LineArt) or Two Links Double Pendulum have ads?
Which is updated more often, LīnArt (LineArt) or Two Links Double Pendulum?
Other comparisons
