ThreeNine vs Fly! Linear
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ThreeNine
A fast-paced puzzle game where players must tap numbers when they reach nine. Avoid penalties by only touching the correct digit. Compete in timed modes to achieve high scores.
- Tap numbers when they reach nine
- Avoid penalties for incorrect taps
- Time Trial mode
- Score Trial mode
- Simple reflex-based gameplay
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[How to play] Let's make three digital numbers even with all 9. When number increase automatically, you must touch the number when the number becomes 9. (you are given a penalty when touch a number except 9) When a number does not change, you must touch the stick of the number, and change the form of the number into 9. TIME TRIAL measures the time when you prepared 25 times of three nine. SCORE TRIAL measures whether you prepared several times of three nine doring 90 seconds.
Fly! Linear
Experience high-speed train adventures using magnetic propulsion. Tap to jump and align colors, accelerating your train through vibrant urban and mountainous stages. Collect coins to unlock new and special vehicles for an exhilarating casual gaming experience.
- Super-high speed train gameplay
- Magnet-powered jumps
- Easy tap-to-play controls
- Colorful urban and mountain stages
- Collect coins for new trains
- Unlock special vehicles
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Train Game that flies at super-high speed! Use the power of magnets to make the train fly far away! [How to play] - Operation is easy! Just tap left and right. When the colors are aligned, the magnet will make the robot jump. - Continuous tapping accelerates trains. [Stages] - Let's travel on the Linear Bullet Train! - Enjoy colorful stages in urban and mountainous areas! [Trains] - Collect coins to get new trains! - And not just linear vehicles? Special vehicles will also be available for your enjoyment. [Recommended for…] - If you like exhilarating casual games - If you like trains and travel. - And for kids who love trains! [etc] - Since the linear line in this game is an unopened virtual line, the station name remains a pseudonym. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Developer: Liner Studio -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Screenshots
Verdict
The clearest difference is rating: Fly! Linear at 5.0 against ThreeNine's 4.0. Fly! Linear also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (11.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Fly! Linear holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
ThreeNine ships an update every 5 months, Fly! Linear every 2 months. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.
| Parameter | ThreeNine | Fly! Linear |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 90 MB | 159 MB |
| Age rating | 4+ | 4+ |
| Developer | 有限会社ぴっくる | Ayumi Miyazaki |
Customer experience
ThreeNine
Fly! Linear
In-app purchases
ThreeNine
No in-app purchases
Fly! Linear
No in-app purchases









