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Updated July 2026 · real, multi-region App Store reviews
Head-to-head

Alien Invasion vs Survivor!.io

Alien Invasion 4.8★ · Free + IAP 60
Winner Survivor!.io
Survivor!.io 4.7★ · Free + IAP 70

Alien Invasion offers a more casual, less grind-heavy experience, but Survivor!.io provides a more engaging and less ad-intrusive gameplay for those willing to commit.

Full reviews: Alien Invasion · Survivor!.io

Alien Invasion struggles with an overwhelming number of forced ads and significant bugs, despite some users finding it a fun time-waster. Survivor!.io, while also having issues with bugs and perceived pay-to-win mechanics, generally offers a more engaging experience with fewer forced ads, though some users report frustrating difficulty spikes and progression walls.

Head to head

Features and Gameplay edge: Survivor!.ioR4R14R15R20
Alien Invasion Alien Invasion is described as a fun, simple, and addictive time-waster, with users enjoying the core concept of being an alien and devouring people R14R20. However, some find the game becomes repetitive and requires too much grinding to progress, especially in later stages R4. There are also complaints about a cluttered HUD and a lack of new content R15.
Survivor!.io Survivor!.io is praised for being super fun, addictive, and challenging, with users enjoying the strategic skills required to beat levels . Some long-time players appreciate the added content over the years . However, others find the game boring and repetitive, with missions that don't make sense or are impossible . There are also requests for multiplayer and gifting features .
Ease of Use and Progression tieR3R4R7R20
Alien Invasion Alien Invasion is noted for being easy to pick up and learn R20. However, progression is significantly hampered by excessive grinding, especially for resources like blue cores, making it feel very slow R4. Many users feel forced to watch ads or make in-app purchases to advance at a reasonable pace R3R7.
Survivor!.io Survivor!.io is described as challenging, with some new players struggling with difficult bosses and feeling powerless without in-game purchases . While some users claim it's not a 'grinding game' and allows fast leveling , others find it very grindy and pay-to-win, making it hard to progress without spending money R62R73R79R106.
Reliability and Performance tieR1R12R15R16
Alien Invasion Alien Invasion suffers from numerous bugs and glitches, including game crashes, progress loss, and issues when crossing time zones R1R15. Users also report extremely slow ad loading, ads failing to terminate, and the game lagging significantly R12R16. It also drains battery and can cause devices to heat up .
Survivor!.io Survivor!.io also experiences frequent glitches and crashes, often leading to lost progress or requiring players to restart levels . Some users report lag and unresponsiveness, especially on iOS devices . There are also issues with login and account data loss .
Price and Value (Free vs. IAP) edge: Survivor!.ioR7R10R16R40
Alien Invasion Alien Invasion is free with IAP, but many users feel it has become a 'money grab' with constant microtransactions and pop-ups R7R10R40. To remove ads, users are pushed towards a subscription, with some developers allegedly stating that forced ads become standard at higher levels unless a $99/year subscription is paid R7. Event rewards often require significant spending R16.
Survivor!.io Survivor!.io is also free with IAP. While some users appreciate the lack of mandatory ads , others feel it's very pay-to-win, with progression becoming difficult without spending real money R62R73R79R106. There are complaints about rewards being removed, making it harder to advance without payment R79.
Ads Experience edge: Survivor!.ioR2R3R4R7
Alien Invasion Alien Invasion is heavily criticized for an overwhelming number of ads. Many users report constant pop-ups, forced ads upon opening the app or menus, and ads that are long, loop, or fail to terminate R3R4R7R9. While some older reviews claim 'no ads unless you want extra items' R2, recent reviews contradict this, indicating a significant increase in forced ad frequency . Some ads are also inappropriate .
Survivor!.io Survivor!.io generally has a better ad experience, with many users stating there are 'no ads' or 'no mandatory ads' . However, some users do report issues with ads not working or being sick of ads . There are also complaints about misleading ads on platforms like TikTok that show features not present in the game .
Pick Alien Invasion if

you prefer a more casual, simpler game that can be a good time-waster, and you are willing to tolerate frequent ads or potentially pay a subscription to remove them R20.

Pick Survivor!.io if

you enjoy a challenging and addictive survival game, don't mind a bit of a grind, and prefer a game with fewer forced ads, even if it might feel pay-to-win at times .

Evidence note: The reviews for Alien Invasion show a clear negative trend regarding ads and monetization, with many older positive reviews about ads being contradicted by recent negative ones. Survivor!.io's ad experience is generally better, but it faces similar criticisms regarding pay-to-win mechanics and bugs.

Frequently asked

Does Alien Invasion have a lot of ads?
Yes, Alien Invasion has a significant number of ads, with many users reporting constant pop-ups, forced ads upon opening the app or menus, and ads that are long, loop, or fail to terminate R3R4R7R9.
Can you play Survivor!.io offline?
No, Survivor!.io generally requires an internet connection to play, with one user explicitly stating 'Нельзя играть без интернета' (Cannot play without internet) R67.
Are there in-app purchases in Alien Invasion?
Yes, Alien Invasion has in-app purchases, and many users describe it as a 'money grab' with constant microtransactions and offers to buy power-up packs R7R10R40.
Is Survivor!.io pay-to-win?
Many users perceive Survivor!.io as pay-to-win, stating that progression becomes very difficult without spending real money on in-game items and that rewards have been reduced to encourage purchases R62R73R79R106.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R4] Alien Invasion 2/5 · US Find something else: I have put a lot of time into this game. The unrelenting pop ups are obnoxious, quest rewards make no sense, it becomes overwhelming with the amount of materials you have to grind. Seriously you are better off playing a match three game.
  2. [R14] Alien Invasion 5/5 · US Truly great game: Really fun played for hours lol really good game good job devs :)
  3. [R15] Alien Invasion 3/5 · US Remove the pointless stuff on the screen that block the players view!: Normally I would rate this 5 stars because this is splendid game with a solid concept however I have the following issues I wish the devs would address urgently: 1. The HUD(Heads up display) should be concealable. The game should have an option to hide or display it. 2. Jitter/ Lag - When consuming the mammoth/ queen of worm
  4. [R20] Alien Invasion 4/5 · US Alien Invasion review: First try it was difficult to Navigate the moves of the alien but it’s not difficult to Learn from hands on experience., the Game isn’t overly complicated and is entertaining I haven’t deleted the app so All is Well.
  5. [R3] Alien Invasion 3/5 · US Used to enjoy it, it got horribly worse.: I played it way early on. Back when there was an in game suggestion box. When it was small and new and ads weren’t required for progression. They would give you bonus stuff for watching ads sure but it was your choice to watch them or not. Technically it’s still “only ads if you allow it” but that only applies to ads for stuff outside the game. Every time
  6. [R7] Alien Invasion 1/5 · US Money Grab: Huge money grab, peppered with ads, constant micro transactions in your face, and to get rid of ads, you have to pay a subscription.
  7. [R1] Alien Invasion 1/5 · US MAJOR GAME FLAW! GAME GLITCHES WHEN YOU CROSS TIME ZONES!: I REALLY LIKE THIS GAME BUT IT HAS A MAJOR PROBLEM. Following a resent trip across a time zone, my alien bug opened into a totally different area of the game way above my current level. Unable to get to resources to upgrade, thereby trapping me, CUSTOM SERVICE solution was to BUY THE SUPPLIES TO GET OUT. Sounds pretty suspicious and cl
  8. [R12] Alien Invasion 3/5 · US Bugged: Good game, but the ads are extremely long. 4/6 of the last ads watched failed to terminate. Some ads continue to loop 3x’s and tgen fail as well.
  9. [R16] Alien Invasion 1/5 · US ADs don’t load: The game is EXTREMELY slow when loading ads. It takes hours for even a single ad to load. When I told the developers about this and confirmed through troubleshooting that it wasn’t on my end, they just told me there weren’t any ads to serve? Other games don’t have problems serving up ads so I don’t what their problem is. Also, the in game events require paying huge amounts ($90+)
  10. [R10] Alien Invasion 2/5 · US Ads: Used to like the game. Played it quite a bit and decided to play it again. Starting the game there’s 4-5 pop ups asking you to spend real money. Once you click through all those, the game goes into an ad. So much for wanting to play the game again
  11. [R40] Alien Invasion 1/5 · US So many pop-ups: I downloaded the game and kept getting constant pop-ups wanting me to buy power-up packs and other pay to play options. Within minutes of downloading, I had around 7 pop ups.
  12. [R2] Alien Invasion 5/5 · US Perfect down to the last minute detail: Close to no ads and fun not much more to say
  13. [R9] Alien Invasion 3/5 · US Too many ads: They have overdone the ads. It was a fun game, if a little slow, but now with the ads, the screen is dominated by distracting elements that do not add to the fun, rather get in the way. We do t need to see 8 different add icons at the same time.
  14. [R67] Survivor!.io 1/5 · US Offline: Cannot play without internet · translated
  15. [R62] Survivor!.io 4/5 · US Good, but please make it less PTW: I love this game, but it's very PTW and grindy. I've been playing for three years, but I haven't gotten anything good besides 4 epic S grade tier equipment, 2 excellent S grade tier equipment, 3 epic tech parts, and a few excellent pets. People who don't have the money and the time to spend on the game might quit the game if you don't change it up a little, so pl
  16. [R73] Survivor!.io 1/5 · US Fun game: Fun but need money to progress 3 stars
  17. [R79] Survivor!.io 2/5 · US Quitan recompensas: Quitan cada vez más recompensas, la última fue que quitaron en la parte de eventos semanales las ganancias por kills, haciéndolo más difícil, cada vez se vuelve más difícil para tener que pagar con dinero real el avance
  18. [R106] Survivor!.io 1/5 · GB Not really worth paying for: I play it but I won’t use real money to pay for items. I’ve been stuck with my gear because even though I have the necessary gears with correct levels to level it up, it says I need the two necessary gears but I already have it and it is annoying. So in my opinion, it’s not worth paying items for with real money. Maybe it’s the M.O. or maybe not, who knows.

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store