Star Line Defense vs Circular Defense
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Star Line Defense
Engage in a fun strategy defense game where you build towers to prevent enemies from reaching your fortress. Upgrade equipment and skills using in-game currency earned by defeating foes. Enjoy gorgeous graphics and constantly updated levels in this free puzzle experience.
- Tower defense gameplay
- Equipment and skill upgrades
- Gorgeous graphics
- Themed levels
- Constant level updates
- Free to play
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Very fun strategy defense game,players need to tower defense defense defense side,and ordinary games,the game features a wealth of simulations,by setting different players to prevent the enemy fortress to enter a restricted number of mistakes,the game you you can upgrade your equipment and upgrade the skills of war,provided you have enough money,do not worry about the inside of the money from the game which can destroy enemy aircraft obtained. smartphone puzzle casual game! dreamy little puzzles! gorgeous graphics and different themed levels! constantly updated with new levels! it's free! To begin Come on!
Circular Defense
Engage in a unique tower defense experience where enemies approach the core from all sides. Strategically place and upgrade circular turrets to defend your position across over 50 challenging stages. Enjoy a smooth, time-killing gameplay with simple controls and deep strategic possibilities.
- Unique circular turret defense
- Strategic placement and upgrades
- Over 50 challenging stages
- Easy to operate controls
- Smooth, time-killing gameplay
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They are coming closer towards the core! Tower defence with a flat design. ◆How to play- - Enemies come attacking from all four directions towards the core in the centre. - Homing? Piercing bullets? Choose a circle from 6 kinds of variations as you wish and make your own defence line! - Choose a circle and arrange by swiping, tap to make turrets-they are all easy to operate! - Use resources by attacking enemies and strengthen the circle! Make it stronger! It becomes easier to capture the stages! ◆Features - You can play so smoothly, whenever you have some spare time! - Use strategy? Try to be funny? You can arrange any way you like. - Timing of arranging the circle and timing of using turret are important factor of the battle. - There are more than 50 stages waiting for you from easy ones to quite difficult ones. ◆recommended for... - Those who are fans of tower defence or defending games - Those who like strategy games that are very strategic - Those who enjoy a smartphone games that bring training elements. - Those who want an efficient app to kill time while commuting. - Those who want to enjoy a game with simple rules. - Those that are looking for casual games for free. Please give us your opinions and requests here. https://www.picola.co.jp/contact-us
Screenshots
Verdict
The clearest difference is review sentiment: Circular Defense at 100% against Star Line Defense's 33%. Circular Defense also leads on rating (3.7 vs 1.3) and update cadence (every 2 days vs every 13 months). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Circular Defense holds the better App Store score, 3.7 against 1.3. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 33% of Star Line Defense's written reviews are positive against 100% of Circular Defense's.
Star Line Defense ships an update every 13 months, Circular Defense every 2 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.
| Parameter | Star Line Defense | Circular Defense |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (4 ratings) | 3.7 (7 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 7 — better |
| Update frequency | Every 13 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | 国财 胡 | Picola Inc. |
Customer experience
Star Line Defense
Circular Defense
In-app purchases
Star Line Defense
No in-app purchases
Circular Defense
No in-app purchases
Questions
Is Star Line Defense free?
Is Circular Defense free?
Which has better reviews, Star Line Defense or Circular Defense?
Do Star Line Defense or Circular Defense have ads?
Which is updated more often, Star Line Defense or Circular Defense?
Other comparisons
