Comparison

RobotVSAlien vs Invincible Gunner

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

Head to head
About

RobotVSAlien

Defend against alien invaders using a growing army of robots. This casual defense game allows players to upgrade and promote their units to increase their strength. Design your own giant robot and repel the alien threat.

Highlights
  • Casual defense gameplay
  • Unit promotion and upgrading
  • Design giant robots
  • Repel alien invaders
  • Unique robot and alien designs
Features
Read full description

" Robot VS Alien " is play to easy Defense is a game . In friendly units up to eight simple We will continue to increase and promote the game . It appeared suddenly and making full use of robots Let's repel the alien ! ·Characteristic - Easy to play casual defense game Share and design your own giant robot ! Of - unique design robots and aliens corps

About

Invincible Gunner

Defend your seaside fort from pirate attacks using a single finger to aim and shoot. Progress through numerous challenging levels with a limited number of attacks per stage. Enjoy smooth graphics and realistic simulation in this free, entertaining game.

Highlights
  • One-finger aiming and shooting
  • Defend seaside fort
  • Limited attacks per level
  • Numerous challenging levels
  • Smooth graphics
  • Realistic simulation
Features
Read full description

The game is simple, you only need to use one finger can pass all levels, of course, you need to go through a lot of tough training, in the game, the player has an attached seaside fort, on the sea there is a lot of pirates, you need guard your territory, you may take them off by controlling the fort, each level of a levy into the task, with a fixed number of attacks, this is not as simple as you might think, the game has a lot of levels, full of fun, very for entertainment, pre-dinner meal, or to share with friends, suitable for mainstream sized phones and tablets, players of all ages. How to play: Battery sliding finger point shot can change the direction of the front and rear can be adjusted pulling force value, release your finger to complete an attack, the number of attacks in most provinces to operate. Game Features rhythm of the music! smooth picture! simple operation! realistic simulation! It's free! Quickly started!

Screenshots

RobotVSAlien4 screens
Invincible Gunner4 screens

Verdict

The call

The clearest difference is rating: RobotVSAlien at 4.0 against Invincible Gunner's 3.0. RobotVSAlien also leads on update cadence (every 2 weeks vs every 27 months) and iOS requirement (7.0 vs 12.0). Invincible Gunner's advantage is in-app purchases (none vs 1). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RobotVSAlien sells 1 one-off in-app purchase. Invincible Gunner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RobotVSAlien holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

RobotVSAlien ships an update every 2 weeks, Invincible Gunner every 27 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
RobotVSAlien versus Invincible Gunner: the parameters behind the verdict, then further details
ParameterRobotVSAlienInvincible Gunner
PriceFreeFree
Rating4.0 (1 ratings) — better3.0 (2 ratings)
Positive reviews—0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 2 weeks — betterEvery 27 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better12.0
Further details — not scored
Size55 MB21 MB
Age rating12+9+
DeveloperAkihiro Fujiwara娟 杜

Customer experience

RobotVSAlien

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

Invincible Gunner

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

RobotVSAlien

One-time1
  • Remove Ads and Privilege granting$0.99
None

Invincible Gunner

No in-app purchases

Questions

Is RobotVSAlien free?
RobotVSAlien is free to download, with in-app purchases available.
Is Invincible Gunner free?
Invincible Gunner is free to download, with no in-app purchases.
Which has better reviews, RobotVSAlien or Invincible Gunner?
RobotVSAlien is rated higher. RobotVSAlien averages 4.0 out of 5 from 1 ratings, while Invincible Gunner averages 3.0 from 2 ratings.
Do RobotVSAlien or Invincible Gunner have ads?
Neither RobotVSAlien nor Invincible Gunner shows ads.
Which is updated more often, RobotVSAlien or Invincible Gunner?
RobotVSAlien ships an update every 2 weeks, and Invincible Gunner every 27 months. Most recently, RobotVSAlien was updated on October 21, 2026 and Invincible Gunner on October 24, 2026.

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