Comparison

Time Zero vs Astral Survivor

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

Head to head
About

Time Zero

Defeat ghosts on screen using auto-firing weapons within a time limit. This casual game features various ghost types and powerful weapons that can be enhanced. Weekly giant ghost battles offer rewards.

Highlights
  • Automatic weapon firing
  • Character movement with fingertip
  • Variety of ghost types
  • Weapon enhancement system
  • Weekly giant ghost battles
  • Mystery Box rewards
Features
Read full description

This is a game where you defeat the ghosts on your screen within the given time using various weapons. Easy battle! Weapons fire automatially!! It is a casual game that can be enjoyed by young and old. Easily move your character around on your fingertip. ANYONE and EVERYONE can enjoy this game! Various types of ghosts! All of the ghosts from Shinbi Apt will be dispatched! You'll meet a variety of Shinbi Apartment ghosts through the game. Strong weapons! They help you get rid of multiple ghosts in one shot! Enhance your weapons to create powerful weapons. Giant ghosts! A terrifying giant ghost appears every week! Defeat giant ghosts and earn reward keys. Open the Mystery Box to get various rewards!

About

Astral Survivor

Engage in a survival-style game with fluid combat and diverse fighting styles. Explore detailed maps, upgrade your character through a skill tree, and summon followers to battle void monsters and save a goddess.

Highlights
  • Fluid combat system
  • Diverse combat styles with followers
  • Skill tree upgrade system
  • Responsive one-handed controls
  • Map exploration and treasure hunting
  • Engaging storyline
Features
Read full description

The latest installment in the "Astral Stairways" series by Firedog Studio! This survival-type game emphasizes diverse combat styles and responsive gameplay, providing an exhilarating and seamless battle experience. Explore richly detailed maps and utilize the skill tree upgrade system to create the most powerful character builds! Embark on a brand-new storyline within the "Astral Stairways" universe. As a player, your mission is to save the goddess who was separated from the Starblade hero. Summon powerful followers to annihilate countless void monsters and prevent the world from being consumed! The game is available for free download, with optional in-app purchases. *Key Features:* 1. *Optimized Fluid Combat:* - Face hordes of enemies without slowing down. Fluid movements and actions will sweep through the battlefield. 2. *Diverse Combat Styles:* - Summon over ten "Astral Stairways" followers, each with distinct skills. Experiment with various skill combinations and explore diverse combat styles. 3. *Skill Tree Upgrade System:* - Strategically plan your skill points with the upgrade system. Random draws can yield advantageous skills. 4. *Responsive Controls:* - Simple movement controls offer different interpretations for each character. Master one-handed controls to showcase impressive combat skills. 5. *Map Exploration:* - Explore large dungeons and uncover precious treasures hidden within. 6. *Storyline:* - The goddess "Kala" accidentally gets pulled into the mysterious realm known as the "Realm of Black Mulberry." Can players help her survive the endless battlefield reminiscent of purgatory? *Supported Languages:* English, Traditional Chinese, Simplified Chinese, Japanese.

Screenshots

Time Zero4 screens
Astral Survivor4 screens

Verdict

The call

The clearest difference is rating: Time Zero at 4.6 against Astral Survivor's 4.0. Time Zero also leads on ads (none vs shown) and ratings volume (7 vs 2). On price, review sentiment, update cadence 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. Time Zero sells 26 one-off in-app purchases and Astral Survivor sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Time Zero holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 67% of Time Zero's written reviews are positive against 59% of Astral Survivor's.

UpkeepUpdate frequency

Time Zero ships an update fortnightly, Astral Survivor every 2 weeks. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Time Zero versus Astral Survivor: the parameters behind the verdict, then further details
ParameterTime ZeroAstral Survivor
PriceFreeFree
Rating4.6 (7 ratings) — better4.0 (2 ratings)
Positive reviews66.7% of reviews — better58.8% of reviews
Number of ratings7 — better2
Update frequencyFortnightlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size451 MB499 MB
Age rating9+4+
Developer3F Factory Inc.Firedog Creative Company Limited

Customer experience

Time Zero

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Astral Survivor

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews17 reviews
Positive58.8%
Neutral29.4%
Negative11.8%

In-app purchases

26 purchases

Time Zero

One-time26
  • Special product 01$3.99
  • nine-tailed Slander Costume$3.99
  • Costume 6 (Scholar Outfit)$3.99
Show 23 more
  • Value Package$3.99
  • Costume5 (Joseon Exorcist)$5.99
  • Lightning Arrow Package$5.99
  • Piercing Package$5.99
  • Whirlwind Arrow Package$5.99
  • Summoning Package$5.99
  • Enhancement Package2$5.99
  • Special product 02$6.99
  • Leveling Package 2$6.99
  • Jewelry prize 1$6.99
  • Story mode pass 3$6.99
  • gold dragon amulet$6.99
  • Returned Exorcist Package$11.99
  • Returned Demon Earl Package$11.99
  • Special product 03$12.99
  • Leveling Package 12$12.99
  • Leveling Package 13$12.99
  • Leveling Package 7$12.99
  • Jewelry prize 2$12.99
  • Leveling Package 5$12.99
  • Leveling Package 22$12.99
  • Leveling Package 20$12.99
  • Special Jackpot Package$12.99
9 purchases

Astral Survivor

One-time9
  • 100 Rainbow Gems$0.99
  • 320 Rainbow Gems$2.99
  • Newcomer Pack$2.99
Show 6 more
  • 600 Rainbow Gems$4.99
  • Remove Ads$4.99
  • 1280 Rainbow Gems$9.99
  • 2500 Rainbow Gems$18.99
  • 5000 Rainbow Gems$34.99
  • 10000 Rainbow Gems$49.99

Questions

Is Time Zero free?
Time Zero is free to download, with in-app purchases available.
Is Astral Survivor free?
Astral Survivor is free to download, with in-app purchases available.
Which has better reviews, Time Zero or Astral Survivor?
Time Zero is rated higher. Time Zero averages 4.6 out of 5 from 7 ratings, while Astral Survivor averages 4.0 from 2 ratings.
Do Time Zero or Astral Survivor have ads?
Astral Survivor shows ads; Time Zero does not.
Which is updated more often, Time Zero or Astral Survivor?
Time Zero ships an update fortnightly, and Astral Survivor every 2 weeks. Most recently, Time Zero was updated on October 21, 2026 and Astral Survivor on October 4, 2026.

Other comparisons