Comparison

ThreeNine vs Fly! Linear

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Tap numbers when they reach nine
  • Avoid penalties for incorrect taps
  • Time Trial mode
  • Score Trial mode
  • Simple reflex-based gameplay
Features
Read full description

[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.

About

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.

Highlights
  • 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
Features
Read full description

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

ThreeNine4 screens
Fly! Linear4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
ThreeNine versus Fly! Linear: the parameters behind the verdict, then further details
ParameterThreeNineFly! Linear
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 5 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size90 MB159 MB
Age rating4+4+
Developer有限会社ぴっくるAyumi Miyazaki

Customer experience

ThreeNine

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Fly! Linear

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ThreeNine

No in-app purchases

None

Fly! Linear

No in-app purchases

Questions

Is ThreeNine free?
ThreeNine is free to download, with no in-app purchases.
Is Fly! Linear free?
Fly! Linear is free to download, with no in-app purchases.
Which has better reviews, ThreeNine or Fly! Linear?
Fly! Linear is rated higher. ThreeNine averages 4.0 out of 5 from 1 ratings, while Fly! Linear averages 5.0 from 1 ratings.
Do ThreeNine or Fly! Linear have ads?
Both ThreeNine and Fly! Linear show ads.
Which is updated more often, ThreeNine or Fly! Linear?
ThreeNine ships an update every 5 months, and Fly! Linear every 2 months. Most recently, ThreeNine was updated on October 1, 2026 and Fly! Linear on September 20, 2026.

Other comparisons