Comparison

Astro Builder vs Blitzkrieg Assault

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

Head to head
About

Astro Builder

Build a sprawling space station in orbit with this idle construction game. Start with basic components and expand your facility by unlocking new equipment and generating resources. Discover and develop new areas as your station grows.

Highlights
  • Idle space station construction
  • Resource management
  • Unlock new equipment
  • Expand and develop areas
  • Space elevator material transport
Features
Read full description

Welcome to Astro Builder, the ultimate casual idle game where you construct a space station in near-Earth orbit. Begin with a simple setup—a connecting ground track and a small platform. Material is transported to the platform via a space elevator and piled on the ground. Utilize the resources to expand and improve the platform, unlocking new equipment and producing valuable resources. Each construction phase reveals a new area, waiting to be developed and unlocked. Can you build the ultimate space station and conquer the cosmos?

About

Blitzkrieg Assault

Defend your base from an unstoppable armored train in this World War II-themed casual shooter. Utilize your machine gun skills, upgrade your abilities, and employ tactics to overcome increasingly difficult waves of enemy cars. Experience unique gameplay combining arcade shooting with tower defense strategy.

Highlights
  • Casual shooter gameplay
  • Tower defense mechanics
  • WWII theme
  • Machine gun combat
  • Skill card upgrades
  • Commander leveling and skill tree
  • Increasing difficulty
Features
Read full description

Immerse yourself in historical events with the unrivaled casual shooter Blitzkrieg Assault: War Zone! and prevent the train from breaking through in this representative of WW2 strategy games with tower defense elements. Be ready to confront the unstoppable armored train, in this challenge, all you have is your shooting skills and a powerful machine gun, but with each successful destruction of the cars you are given the opportunity to level up skill cards. Feel the experience of a war zone and endless fun in a casual TD game with unique mechanics of shooter and WW2 strategy games. Download Blitzkrieg Assault: Idle Tower Defense! and play today for free! Unique Gameplay: Play as a brave commander who defends the base from the battle train using a machine gun and shooting skills. You are waiting for a combination of casual arcade, TD games, and stationary shooter and everything happens in the theme of WWII. Unrivaled Combat Upgrades: for successful battles and repelling train attacks, you can choose improvements during the level: piercing shots, ricochets, increased ammunition, attack speed and damage from shots, and many others. Also, after completing the mission, you are given the opportunity to level up your commander, this is equipment with a special upgrade and a skill tree, and change the character. Constantly Increasing Difficulty: in Blitzkrieg Assault: WW2 Strategy Games, your opponent is a combat train with a large number of cars that are constantly becoming stronger: increasing their armor, installing guns, increasing speed, becoming impenetrable, and many other enhancements. To protect the base in this casual shooter you will have to not only skillfully aim and shoot accurately but also use tactics. Immersive and Catchy Design: in this arcade, you will see eye-pleasing animation with a bunch of bright effects. Pleasant 3D graphics combined with the WWII theme will give you a great immersion in the gameplay and leave a good impression of TD games. AIM AND SHOOT Are you ready for the difficult challenges of TD games that stand in the way of a brave warrior? Dive into the thick of the war zone, pick up a machine gun, and try to defend your base against the boss train in a unique casual shooter. Blitzkrieg Assault: Idle Tower Defense is an immersion in the theme of WW2 strategy games with unique gameplay and non-stop fun.

Screenshots

Astro Builder4 screens
Blitzkrieg Assault4 screens

Verdict

The call

The clearest difference is update cadence: Blitzkrieg Assault at every 6 weeks against Astro Builder's every 11 months. Blitzkrieg Assault also leads on iOS requirement (13.0 vs 15.0). Astro Builder's advantage is review sentiment (34% vs 5%) and rating (4.7 vs 4.3). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Astro Builder sells 5 one-off in-app purchases and Blitzkrieg Assault sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Astro Builder holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 3.3K and 1.4K respectively. Written reviews point the same way: 34% of Astro Builder's written reviews are positive against 5% of Blitzkrieg Assault's.

UpkeepUpdate frequency

Astro Builder ships an update every 11 months, Blitzkrieg Assault every 6 weeks. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
Astro Builder versus Blitzkrieg Assault: the parameters behind the verdict, then further details
ParameterAstro BuilderBlitzkrieg Assault
PriceFreeFree
Rating4.7 (3.3K ratings) — better4.3 (1.4K ratings)
Positive reviews34.1% of reviews — better4.8% of reviews
Number of ratings3.3K — better1.4K
Update frequencyEvery 11 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size251 MB255 MB
Age rating4+4+
DeveloperSolid Games24 HIT Riga SIA

Customer experience

Astro Builder

All ratings3,298 ratings
Positive93.5%
Neutral3.6%
Negative2.9%
Written reviews123 reviews
Positive34.1%
Neutral9.8%
Negative56.1%

Blitzkrieg Assault

All ratings1,440 ratings
Positive81.5%
Neutral6.4%
Negative12.1%
Written reviews313 reviews
Positive4.8%
Neutral7.0%
Negative88.2%

User reviews

Astro Builder

From 3.3K App Store ratings

What we love

  • 🚀 Fun game concept
  • 👍 Detailed space station building
  • 💡 Customizable astronaut suits

Room to improve

  • 🐛 Buggy AI and builder behavior
  • 🔇 Lack of sound and music
  • 🔁 Repetitive and monotonous gameplay
  • 🔒 Forced ads and limited free content
  • ⏱️ Slow progress without watching ads

Blitzkrieg Assault

From 1.4K App Store ratings

What we love

  • 👍 Fun gameplay
  • 🚀 Smooth performance

Room to improve

  • 🚫 Too many ads
  • 🐛 Game-breaking bugs
  • 💰 Aggressive monetization

Bugs and requests

Astro Builder

Reported bugs

3 issues
  • Builders getting stuck or ignoring resource needs
  • Inconsistent behavior when collecting from processors
  • Permanent worker upgrades not functioning properly

Requested features

4 requests
  • Ability to continue progress offline
  • More varied level designs and challenges
  • Autonomous builder behavior
  • Background progress while app is closed

Blitzkrieg Assault

Reported bugs

3 issues
  • Game stuck on level 46
  • Levels not progressing
  • Sound issues

Requested features

3 requests
  • Bug reporting feature
  • Sound settings
  • Progression fixes

In-app purchases

5 purchases

Astro Builder

One-time5
  • AD TICKETS 10$0.99
  • AD TICKETS 25$1.99
  • AD TICKETS 60$3.99
Show 2 more
  • Ad-free 7 day$4.99
  • Permanent ad-free!$9.99
4 purchases

Blitzkrieg Assault

One-time4
  • Epic Box$0.99
  • No Ads Offer$9.99
  • Legendary Pack$9.99
Show 1 more
  • Destroy All Ads Offer$19.99

Questions

Is Astro Builder free?
Astro Builder is free to download, with in-app purchases available.
Is Blitzkrieg Assault free?
Blitzkrieg Assault is free to download, with in-app purchases available.
Which has better reviews, Astro Builder or Blitzkrieg Assault?
Astro Builder is rated higher. Astro Builder averages 4.7 out of 5 from 3.3K ratings, while Blitzkrieg Assault averages 4.3 from 1.4K ratings.
Do Astro Builder or Blitzkrieg Assault have ads?
Both Astro Builder and Blitzkrieg Assault show ads.
Which is updated more often, Astro Builder or Blitzkrieg Assault?
Astro Builder ships an update every 11 months, and Blitzkrieg Assault every 6 weeks. Most recently, Astro Builder was updated on October 19, 2026 and Blitzkrieg Assault on October 16, 2026.

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