Comparison

Faux Gravity vs Sudoku 13

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

Head to head
About

Faux Gravity

Build a planetary defense system to fend off alien invaders in this real-time strategy survival game. Collect resources, upgrade your defenses, and launch devastating attacks to protect your planet. Compete on global leaderboards for the longest survival.

Highlights
  • Build and upgrade defense systems
  • Collect gold and expand planet
  • Launch nuclear missiles
  • Control spacecrafts
  • Randomly generated enemies
  • Global leaderboards
Features
Read full description

Launch Nuclear Missiles! Control Spacecrafts! Collect Gold! Build and develop a defense system that will lock out unfriendly intruders from outer space. Faux Gravity is a mini Real-time Strategy Survival game with randomly generated enemies. You need to collect gold and expand your planet in order to survive. Features: ▶Melee Defender: Don't let looks deceive you. The little warrior will evolve with every upgrade and show its mighty endless spin around the globe. ▶Plasma Cannon: Defending the planet all by yourself can be a handful at times. This hi-tech machine will automatically tear down invaders. Beware, it has its limits. ▶Space Fighters: Engines need serious upgrade for it to reach its full speed but it's the only thing you got to make precise attacks. ▶Defense Tower: What happens if your troops miss that sneaky little UFOs. Press the Shield and watch them bounce like tennis balls! "Timing is the key, commander!" ▶Planet Expansion: Unleash the full potential of the planet. Not only will you be able to have more health bars, but you can also unlock more upgradeables with each increased population. Special Featuring: ▶The Nuke: Are those invaders causing you too much problems? Here is a little button. One little press....... and BAM!!!!! Blast 'em all! ▶Boss Fight: Low on Gem? This is a great chance for you to get extra help. Selectable rewards are waiting for you. Get rewards and Have Fun while getting it! ▶Item Party: Items, items, and more items! Randomly generated power-up(2xGold) and gem rewards will give you time take some break from aliens. ▶Emergency Capsule: Commander, don't give up on us now. Here is a little something that will help you to have a jump start on another planet. ▶Leaderboard: Compete for the longest survival against players around the world. ▶Notch Screen Support: Enjoy the full game with adjusted display on newer iOS devices. ▶iPad FullScreen Support: Adjusted GUI for iPad devices. Perfect for the big screens! Thank you so much for playing. If you have any suggestions or need to report a bug, please don't hesitate to contact me through email.

About

Sudoku 13

Features
Read full description

The sudoku 13 is a simple and addictive puzzle game, with a unique user experience. Swipe to exchange numbers and get sum of 13 on horizontal rows and vertical columns. Solve this sudoku the fastest you can and use the least amount of moves. To have more fun, each time you press the new game button, a new combination of number will be generated by our algorithme and displayed. A perfect choice to pass time and have fun!

Screenshots

Faux Gravity4 screens
Sudoku 133 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku 13 at none against Faux Gravity's 8. Sudoku 13 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 24 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Faux Gravity sells 8 one-off in-app purchases. Sudoku 13 asks for nothing beyond the download.

UpkeepUpdate frequency

Faux Gravity ships an update every 24 months, Sudoku 13 every 3 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
Faux Gravity versus Sudoku 13: the parameters behind the verdict, then further details
ParameterFaux GravitySudoku 13
PriceFreeFree
Rating2.8 (4 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 24 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.011.4 — better
Further details — not scored
Size119 MB24 MB
Age rating9+4+
DeveloperSu Min KimMohamed walid Benabderrahmane

In-app purchases

8 purchases

Faux Gravity

One-time8
  • Gems 10$0.99
  • Gems 20$1.99
  • Gems 40$3.99
Show 5 more
  • Remove All Ads$9.99
  • Gems 110$9.99
  • Gems 230$19.99
  • Gems 600$48.99
  • Gems 1500$99.99
None

Sudoku 13

No in-app purchases

Questions

Is Faux Gravity free?
Faux Gravity is free to download, with in-app purchases available.
Is Sudoku 13 free?
Sudoku 13 is free to download, with no in-app purchases.
Do Faux Gravity or Sudoku 13 have ads?
Faux Gravity shows ads; Sudoku 13 does not.
Which is updated more often, Faux Gravity or Sudoku 13?
Faux Gravity ships an update every 24 months, and Sudoku 13 every 3 weeks. Most recently, Faux Gravity was updated on October 24, 2026 and Sudoku 13 on October 22, 2026.

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