Light Rim vs Modstack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Light Rim
Read full descriptionHide full description
Light Rim — A Beautiful 3D Light Puzzle Game Guide beams of light through increasingly complex puzzles. Place mirrors to bend the light, prisms to split it into rainbows, and portals to teleport it across the grid. Light up every sprite to solve each level. Features: • 99999+ hand-crafted puzzles with smooth difficulty progression • 3D top-down view with gorgeous lighting and reflections • Mirrors, Prisms, Portals, One-Way Walls, and Color Filters • Split light into multiple beams for complex solutions • Color filters that change beam color — only matching sprites light up • Beautiful warm gold-and-purple visual style • No ads, no timers — relax and solve at your own pace How to Play: • Tap empty cells to place mirrors • Light beams bounce off mirrors at 90° • Prisms split one beam into three • Portals teleport light to a paired portal • Light up all sprites to win From simple reflections to mind-bending multi-color puzzles, Light Rim grows more beautiful with every level you solve.
Modstack
Read full descriptionHide full description
Modstack is a tactile programming puzzle about making big moves with a small set of commands. Place Move and Turn tiles into a program, stack modifiers to change what they do, then run your machine. Watch the robot execute each step, learn from the result, and compress your solution until it reaches par. WHAT YOU GET - 36 handcrafted campaign circuits across six chapters - A gentle visual introduction to programs, repetition, and mirroring - Ordered relays, switches, gates, and precision Expert Circuits - A new Easy, Medium, and Hard Daily Circuit every day - Layered hints that nudge without giving away the whole solution - Offline play with progress stored on your device - Purpose-built sound and haptic feedback - No ads, no account, and no tracking The Foundations chapter and Easy Daily are free. A single Full Game Unlock opens the remaining 30 campaign circuits plus Medium and Hard Daily. There is no subscription.
Screenshots
Verdict
The clearest difference is ads: Modstack at none against Light Rim's shown. Modstack also leads on update cadence (every 8 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement 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. Light Rim sells 5 one-off in-app purchases and Modstack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Light Rim ships an update every 6 weeks, Modstack every 8 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.
| Parameter | Light Rim | Modstack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 127 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Calm Game Studio | NovoBuild LLC |
In-app purchases
Light Rim
- Beginner Gift$0.99
- Coins 500$4.99
- Best Offer$9.99
Show 2 moreShow fewer
- Coins 1300$12.99
- Mega Bundle$99.99
Modstack
- Unlock Full Modstack$3.99









