Interstellar Guardian vs Asteroid Defender
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Interstellar Guardian
Defend humanoids from alien invaders in this retro 80s-style arcade shooter. Experience fast-paced gameplay with classic mechanics, enhanced graphics, and engaging power-ups across hundreds of levels on three different planets.
- Fast-paced arcade action
- Retro 80s-style graphics
- Power-ups
- Casual and classic modes
- Hundreds of levels
- Three different planets
Read full descriptionHide full description
Interstellar Guardian is a retro 80's-style arcade game inspired by Defender and Dropzone. Enhanced gameplay without messing around with the formula too much to retain that classic feel. Can you protect the humanoids from the invading alien hordes? Game Features: - Fast paced arcade action. - Awesome graphics and particle effects. - Retro music and sound effects. - Power-ups. - Casual and classic gameplay modes. - 3 different planets. - Hundreds of levels. ***** AppAdvice best games of the week 21/06/2019
Asteroid Defender
Read full descriptionHide full description
Asteroid Defender is an endless arcade shoot 'em up where you must survive against waves of asteroids by dodging them or blasting them to set new high scores. Setting new high scores unlocks new icons for your ship and new colours to customise your gameplay experience. Features: - Endless gameplay that will challenge any player - A range of customisation options, with over 70 possible combinations
Screenshots
Verdict
The clearest difference is in-app purchases: Interstellar Guardian at none against Asteroid Defender's 1. Interstellar Guardian also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (10.0 vs 13.0). On price, 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
Both are free to download. Asteroid Defender sells 1 one-off in-app purchase. Interstellar Guardian asks for nothing beyond the download.
Interstellar Guardian ships an update every 2 weeks, Asteroid Defender every 2 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.
| Parameter | Interstellar Guardian | Asteroid Defender |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (59 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 59 — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 74 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Carl Moss | Reece Barr |
In-app purchases
Interstellar Guardian
No in-app purchases
Asteroid Defender
- Remove Ads$0.99
Questions
Is Interstellar Guardian free?
Is Asteroid Defender free?
Do Interstellar Guardian or Asteroid Defender have ads?
Which is updated more often, Interstellar Guardian or Asteroid Defender?
Other comparisons
