Comparison

Blue Defense! vs tykki

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

Head to head
About

Blue Defense!

Defend your planet from an relentless invasion force. This action-packed game challenges your reflexes and strategic thinking as you manage increasing pressure from attackers. Experience classic gameplay with modern features like level selection and global leaderboards.

Highlights
  • Classic mode gameplay
  • Quick Start difficulty selection
  • Level Select for practice and medals
  • Global High Scores list
  • Save state functionality
  • Tilt controls for aiming
Features
Read full description

Defend your planet! Blue Defense puts you in charge of protecting your world from an invasion force that wants nothing more than your utter destruction. 6.7 billion lives hang in the balance... are your hands steady enough to handle the ever-increasing pressure of the attackers? Features: - Classic mode: play the game as it was in the original game - Quick Start mode: choose a starting difficulty! - Level Select mode: practice individual levels, start the game on your favourite level, or try to earn medals! - Clean, oldschool graphical style - Global High scores list - Save state ensures that you can leave and come back to your game at any time Controls: - Hold the device upright - Tilt left and right to control the stream of bullets - Double-tap the screen to pause Reviews: "If you like shooters, you should just get this game ... it’s all about the gameplay." -Touch Arcade "Fantastic, simple, fun, wonderful game. Very unexpected but very much appreciated." -148Apps "the way it effortlessly shifts from style to style and handles motion controls make[s it] fresh in a decades-old genre. It's a bullseye for any shooter fan." -Maclife "Blue Defense! is tastefully designed and brimming with twists, turns and tongue biting. Its polished graphics, smooth animation and habit-forming gameplay are praiseworthy." -TouchMyApps "A great space shooter that utilizes the iPhones controls to the max." -Everyday Gamers "Apple has finally released the [2.0] update and it does NOT disappoint." -The APPera "'Tilt to aim. Bullets shoot straight up.' I said, 'that’s it?' The answer was a wall of red death streaming down towards my planet." -appleiphoneapps.com

About

tykki

A minimalist turret game designed for quick, distraction-free play. Engage in simple shooting mechanics to pass the time during short waits.

Highlights
  • Simple turret gameplay
  • Distraction-free experience
  • Quick play sessions
  • Minimalist design
Features
Read full description

ZEN MEETS SHOOT'EM'UP. Just shoot dem balls, already. Simple turret game without any disturbance. Feeling bored in grocery store queue? Just launch tykki!

Screenshots

Blue Defense!4 screens
tykki1 screens

Verdict

The call

The clearest difference is price: tykki at Free against Blue Defense!'s $0.99. tykki also leads on rating (5.0 vs 4.1) and review sentiment (100% vs 84%). Blue Defense!'s advantage is update cadence (every 4 months vs every 40 months) and ratings volume (9 vs 1). On ads, in-app purchases 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

tykki is free to download; Blue Defense! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

tykki holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Blue Defense! has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 84% of Blue Defense!'s written reviews are positive against 100% of tykki's.

UpkeepUpdate frequency

Blue Defense! ships an update every 4 months, tykki every 40 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Blue Defense! versus tykki: the parameters behind the verdict, then further details
ParameterBlue Defense!tykki
Price$0.99Free — better
Rating4.1 (9 ratings)5.0 (1 ratings) — better
Positive reviews84.0% of reviews100.0% of reviews — better
Number of ratings9 — better1
Update frequencyEvery 4 months — betterEvery 40 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.012.0 — better
Further details — not scored
Size9 MB0 MB
Age rating9+4+
DeveloperCat in a Box SoftwareJouni Erola

Customer experience

Blue Defense!

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews156 reviews
Positive84.0%
Neutral7.7%
Negative8.3%

tykki

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Blue Defense!

Reported bugs

2 issues
  • Crashes on newer iOS versions
  • Medals not saving properly

Requested features

5 requests
  • Add sound effects and background music
  • Option to invert or adjust controls
  • Gradual difficulty increase
  • Power-ups and weapon upgrades
  • Global high score leaderboards

tykki

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Blue Defense!

No in-app purchases

None

tykki

No in-app purchases

Questions

Is Blue Defense! free?
Blue Defense! costs $0.99, with no in-app purchases.
Is tykki free?
tykki is free to download, with no in-app purchases.
Which has better reviews, Blue Defense! or tykki?
tykki is rated higher. Blue Defense! averages 4.1 out of 5 from 9 ratings, while tykki averages 5.0 from 1 ratings.
Do Blue Defense! or tykki have ads?
Neither Blue Defense! nor tykki shows ads.
Which is updated more often, Blue Defense! or tykki?
Blue Defense! ships an update every 4 months, and tykki every 40 months. Most recently, Blue Defense! was updated on October 31, 2026 and tykki on November 3, 2026.

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