Root Growth vs Space Tower
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Root Growth
Guide roots to grow and reach water sources, transforming them into large trees. Expand your reach to conquer entire planets and see how many you can occupy.
- Grow roots strategically
- Reach water sources
- Develop into large trees
- Conquer planets
- Expand your territory
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The roots keep growing, reach the water source, and eventually grow into a big tree and take over a planet. Come on, try to see how many planets you can occupy!
Space Tower
Command a galactic defense to protect your space tower from alien invaders. Strategically upgrade your tower's abilities and weapons to withstand relentless waves of enemies and defeat powerful bosses. Enjoy idle gameplay with ample rewards, even while offline.
- Idle tower defense gameplay
- Strategic tower defense
- Upgrade basic abilities
- Activate powerful weapons
- Unlock and improve tech abilities
- Defend against alien attacks
- Battle mighty bosses
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This is a tower defense battle in the galaxy, and you’ve been appointed to be the commander. Choose upgrades and use your strategy to make it an indestructible tower. To defend against aliens’ attacks is your final goal! What you can do: -Upgrade the strength of basic abilities -Activate and develop powerful weapons -Upgrade techs to unlock and improve abilities Game Features: -Idle tower defense gameplay -Defend the space tower with strategy -Mighty bosses await you in each galaxy chapter -Lots of rewards, even when you take a cruise Attack wave after wave of space aliens, defend the tower from mighty bosses and achieve the final success in this idle space TD battle! Let’s start this space adventure, my commander!
Screenshots
Verdict
The clearest difference is rating: Space Tower at 4.8 against Root Growth's 4.1. Space Tower also leads on review sentiment (40% vs 15%). Root Growth's advantage is in-app purchases (none vs 10) and iOS requirement (11.0 vs 13.0). On price, ratings volume, 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
Both are free to download. Space Tower sells 10 one-off in-app purchases. Root Growth asks for nothing beyond the download.
Space Tower holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 1.4K and 571 respectively. Written reviews point the same way: 15% of Root Growth's written reviews are positive against 40% of Space Tower's.
Root Growth ships an update monthly, Space Tower every 5 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Root Growth | Space Tower |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (1.4K ratings) | 4.8 (571 ratings) — better |
| Positive reviews | 14.7% of reviews | 40.0% of reviews — better |
| Number of ratings | 1.4K — better | 571 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 134 MB | 190 MB |
| Age rating | 17+ | 4+ |
| Developer | 妮 赵 | CYBERJOY LIMITED |
Customer experience
Root Growth
Space Tower
User reviews
Root Growth
From 1.4K App Store ratingsWhat we love
- 🚀 Satisfying gameplay
- 🌳 Cute and relaxing visuals
- 👍 No ads
Room to improve
- 💸 Excessive ads and monetization
- 🐛 Laggy performance
- 🕰️ Lack of content and short playtime
Space Tower
From 571 App Store ratingsWhat we love
- 🎮 Engaging and addictive gameplay mechanics
- ⬆️ Extensive upgrade and progression systems
- 🎨 Visually appealing design
- ⏱️ Good for casual play between other activities
Room to improve
- 💰 Aggressive monetization and pay-to-win mechanics
- ⚡ Energy system limits gameplay
- 🐛 Data synchronization failures across devices
- 🔄 Repetitive grinding required
- ⏳ Excessively long research/upgrade timers
Bugs and requests
Root Growth
Reported bugs
2 issues- Spelling mistakes in UI
- Inconsistent gameplay mechanics
Requested features
2 requests- More levels and content
- Option to remove ads for a fee
Space Tower
Reported bugs
7 issues- Game freezes and fails to load progress data
- Data not syncing between devices with same Apple ID
- Ad-free purchases requiring repurchase on new devices
- Tournament upgrade buffs not applying correctly
- Research timer displaying incorrect duration (30 minutes showing as 31 hours)
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- Music not working
- Unable to access previously completed challenge levels
Requested features
6 requests- More game levels
- Additional weapons and enemy variety
- Restore previously available game formats (Galaxy Background, Flaming Eye)
- Remove or reduce energy system
- Improve gold generation rates
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- More interactive gameplay features
In-app purchases
Root Growth
No in-app purchases
Space Tower
- Newbie Pack$2.99
- Chapter Pack$2.99
- Chapter Pack$4.99
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- Piggy Bank$4.99
- Tournament Pack 2$4.99
- VIP Pack$9.99
- Chapter Pack 3$9.99
- Special Pack 3$9.99
- Month Card$9.99
- Premium Resource Pack$29.99
