Monorail vs Numo
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Monorail
This logic puzzle game challenges players to draw rails to create a single loop connecting all stations. With 880 puzzles ranging from easy to super-hard, it fosters visual and spatial reasoning skills. It's a fun, geometric challenge for all ages.
- 880 unique puzzles
- Visual/spatial reasoning development
- Simple to learn, challenging to master
- Puzzles from easy to super-hard
- Geometric and visual gameplay
- Single loop puzzle objective
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MONORAIL: a new logic puzzle for touch screens. * 880 Puzzles * Fosters development of visual/spacial reasoning skills * Works great on iPad * Simple to learn, challenging to master * Puzzles range from easy to super-hard * Designed by nerds, fun for all Monorail is challenging and fun like sudoku, and entirely visual/spacial/geometric. There are no numbers or symbols. You solve puzzles by drawing rails to create a working monorail system. The object of each puzzle is to create a single loop (closed path) of rails connecting all stations so the monorail can circle around endlessly. Kindergartners can solve the beginner levels. Mathematicians from MIT have struggled to solve the most difficult ones. Get on the Monorail train today! We hope you enjoy. -- IBA Puzzles (Glenn and Aaron Iba) We welcome your feedback at ibapuzzles@gmail.com.
Numo
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One line from 1 to the end, covering every cell. Three rules, that's all. · Pass the numbers in order, starting at 1 · Leave no empty cell behind · Dark cells are walls ■ Today's Puzzle Everyone in the world solves the same puzzle each day. Same puzzle means times are finally comparable. Results share without spoiling the answer. ■ Ranked Run Hidden numbers, no finish line. The deeper you go, the less time you get and the more numbers disappear. Solve clean and your leftover time carries into the next board. How far can you go? ■ Duel Same board, head to head — first to 10 wins. Play a friend by room code, match with a stranger, or take on the AI (Beginner, Normal, Expert). ■ 21 trophies Korean, English, Japanese, Chinese (Simplified/Traditional), Vietnamese.
Screenshots
Verdict
The clearest difference is in-app purchases: Numo at none against Monorail's 5. Numo also leads on update cadence (every 3 days vs every 4 weeks). Monorail's advantage is iOS requirement (8.0 vs 13.0). On price, 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. Monorail sells 5 one-off in-app purchases. Numo asks for nothing beyond the download.
Monorail ships an update every 4 weeks, Numo every 3 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.
| Parameter | Monorail | Numo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (851 ratings) — better | — |
| Positive reviews | 95.1% of reviews | — |
| Number of ratings | 851 — better | — |
| Update frequency | Every 4 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 11 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | IBA Puzzles | Jiyoung Bae |
Bugs and requests
Monorail
Reported bugs
2 issues- Swastika symbol appearing in level 12 on 6x6 free part
- In-app purchase issues when upgrading devices
Requested features
5 requests- More free or additional levels
- Ability to save and resume progress
- Retina display support
- Hint system or solution guide
- Ability to view previously solved puzzles
Numo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Monorail
- FULL VERSION OF MONORAIL$0.99
- Rectangle Puzzles (discounted)$0.99
- Hexagon Puzzles (discounted)$0.99
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- Rectangle Puzzles$1.99
- Hexagon Puzzles$1.99
Numo
No in-app purchases









