# Root Growth vs Space Tower

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.

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.

## The numbers

| Metric | Root Growth | Space Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (1.4K ratings)](https://appshunter.io/ios/app/root-growth/id1631261035/reviews) | **[4.8 (571 ratings)](https://appshunter.io/ios/app/space-tower-galaxy-tower-td/id1672563510/reviews)** |
| Number of ratings | **1.4K** | 571 |
| Positive reviews | 14.7% of reviews | **40.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 134 MB | 190 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [妮 赵](https://appshunter.io/developer/1630650670) | [CYBERJOY LIMITED](https://appshunter.io/developer/1602455961) |

## What reviewers say

### Root Growth

[App page](https://appshunter.io/ios/app/root-growth/id1631261035)

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.

**Highlights:** Grow roots strategically, Reach water sources, Develop into large trees, Conquer planets, Expand your territory

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Satisfying gameplay
- 🌳 Cute and relaxing visuals
- 👍 No ads

**What reviewers complain about**

- 💸 Excessive ads and monetization
- 🐛 Laggy performance
- 🕰️ Lack of content and short playtime

**Reported bugs**

- Spelling mistakes in UI
- Inconsistent gameplay mechanics

**Requested features**

- More levels and content
- Option to remove ads for a fee


### Space Tower

[App page](https://appshunter.io/ios/app/space-tower-galaxy-tower-td/id1672563510)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Newbie Pack | $2.99 | one-time |
| Chapter Pack | $2.99 | one-time |
| Chapter Pack | $4.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| Tournament Pack 2 | $4.99 | one-time |
| VIP Pack | $9.99 | one-time |
| Chapter Pack 3 | $9.99 | one-time |
| Special Pack 3 | $9.99 | one-time |
| Month Card | $9.99 | one-time |
| Premium Resource Pack | $29.99 | one-time |

**What reviewers like**

- 🎮 Engaging and addictive gameplay mechanics
- ⬆️ Extensive upgrade and progression systems
- 🎨 Visually appealing design
- ⏱️ Good for casual play between other activities

**What reviewers complain about**

- 💰 Aggressive monetization and pay-to-win mechanics
- ⚡ Energy system limits gameplay
- 🐛 Data synchronization failures across devices
- 🔄 Repetitive grinding required
- ⏳ Excessively long research/upgrade timers

**Reported bugs**

- 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)

**Requested features**

- 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


## Frequently asked questions

### Is Root Growth free?

Root Growth is free to download, with no in-app purchases.

### Is Space Tower free?

Space Tower is free to download, with in-app purchases available.

### Which has better reviews, Root Growth or Space Tower?

Space Tower is rated higher. Root Growth averages 4.1 out of 5 from 1.4K ratings, while Space Tower averages 4.8 from 571 ratings.

### Do Root Growth or Space Tower have ads?

Both Root Growth and Space Tower show ads.

### Which is updated more often, Root Growth or Space Tower?

Root Growth ships an update monthly, and Space Tower every 5 weeks. Most recently, Root Growth was updated on November 7, 2026 and Space Tower on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*