Comparison

Celtreos vs Robo Attack for Watch

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

Head to head
About

Celtreos

Experience a classic space shooter with modern features. Engage in challenging levels with randomized elements, a vast arsenal of weapons, and customizable ships. Enjoy a rich soundtrack or play your own music.

Highlights
  • One or two-player modes
  • 30 unique songs with custom music support
  • Over 12 randomized stages
  • Extensive weapon and ship customization
  • In-game power-ups and power-downs
  • Adjustable game settings (lives, graphics, speed)
Features
Read full description

One-player game, OR two players if you have a game controller. “Celtreos” is like the space shooters of decades past: tiny ship, big weapons, waves of foes, power-ups and obstacles. Music, Sound and Voice • 30 different songs (45 minutes of music!) • You can even play your own music and auto-next-song for key game events Stages • Over 12 stages: a city, space station, ocean and more • Horizontal scrolling but more than one “screen” of vertical space • Start from any stage you want! • Each stage ends with a challenging boss • Wall layouts and spawn patterns are partially randomized Weapon Arrays, Special Moves, Power-Ups and More • Choose from a huge arsenal of weapons and special abilities • 10 different ships to choose from • Customize ship properties, such as gun mount locations • In-game power-ups with weapons, defenses and temporary powers (like Rapid Fire) • Power-down orbs with temporary inconveniences (like Weapon Freeze) Additional Configuration Options • Set number of lives, and number of times that special abilities can be used • Set graphics quality to one of three levels, and default ship speed

About

Robo Attack for Watch

Engage in a fast-paced retro arcade shooter experience on your Apple Watch and iPhone. Blast through waves of rogue robots using classic pixel graphics and power-ups. Enjoy smooth performance and intuitive controls designed for quick bursts of gameplay.

Highlights
  • Retro arcade-style pixel graphics
  • Fast-paced enemy waves
  • Power-ups (Shield, Triple Shot, Rapid Fire, Time Freeze)
  • Crown-based Watch controls
  • Short-burst gameplay
  • Offline play
Features
Read full description

Blast waves of rogue robots in this fast-paced retro arcade shooter for Apple Watch and iPhone! Inspired by classics like Robotron and Berzerk, Robo Attack delivers thrilling gameplay in bite-sized bursts — right on your wrist or phone. Features • Retro arcade-style pixel graphics • Fast-paced enemy waves • Power-ups: Shield, Triple Shot, Rapid Fire & Time Freeze • Smooth 60fps performance on Apple Watch • Crown-based Watch controls + iPhone swipes • Retro sound effects, music & voiceovers • Short-burst gameplay perfect for mobile • Play anywhere, anytime — no internet needed • No ads and no IAP! Relive the glory days of the arcade — now on your wrist. Thanks for playing Johnno & Pete

Screenshots

Celtreos4 screens
Robo Attack for Watch4 screens

Verdict

The call

The clearest difference is price: Robo Attack for Watch at $1.99 against Celtreos's $4.99. Robo Attack for Watch also leads on ratings volume (5 vs 1). Celtreos's advantage is iOS requirement (15.6 vs 18.0). On rating, review sentiment, update cadence and ads 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

Celtreos costs $4.99 and Robo Attack for Watch $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Celtreos against 5.0 for Robo Attack for Watch. That said, the two scores are not equally well evidenced: Robo Attack for Watch has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Celtreos ships an update monthly, Robo Attack for Watch daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Celtreos versus Robo Attack for Watch: the parameters behind the verdict, then further details
ParameterCeltreosRobo Attack for Watch
Price$4.99$1.99 — better
Rating5.0 (1 ratings)5.0 (5 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings15 — better
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, Apple Watch
Requires iOS15.6 — better18.0
Further details — not scored
Size135 MB25 MB
Age rating9+4+
DeveloperKevin GrantRed Sprite Studios

Customer experience

Celtreos

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

Robo Attack for Watch

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Celtreos

No in-app purchases

None

Robo Attack for Watch

No in-app purchases

Questions

Is Celtreos free?
Celtreos costs $4.99, with no in-app purchases.
Is Robo Attack for Watch free?
Robo Attack for Watch costs $1.99, with no in-app purchases.
Which has better reviews, Celtreos or Robo Attack for Watch?
Celtreos and Robo Attack for Watch are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.
Do Celtreos or Robo Attack for Watch have ads?
Neither Celtreos nor Robo Attack for Watch shows ads.
Which is updated more often, Celtreos or Robo Attack for Watch?
Celtreos ships an update monthly, and Robo Attack for Watch daily. Most recently, Celtreos was updated on October 25, 2026 and Robo Attack for Watch on October 24, 2026.

Other comparisons