# Grow Tank Master vs AstroBrain Space Program

The clearest difference is ads: AstroBrain Space Program at none against Grow Tank Master's shown. AstroBrain Space Program also leads on update cadence (fortnightly vs every 3 months). Grow Tank Master's advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Grow Tank Master sells 11 one-off in-app purchases and AstroBrain Space Program sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Grow Tank Master ships an update every 3 months, AstroBrain Space Program fortnightly. The most recent releases landed on September 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Grow Tank Master | AstroBrain Space Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/grow-tank-master/id6553980511/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [gitae park](https://appshunter.io/developer/752748893) | [Francisco Javier Rodriguez Donado](https://appshunter.io/developer/1778534980) |

## What reviewers say

### Grow Tank Master

[App page](https://appshunter.io/ios/app/grow-tank-master/id6553980511)

Engage in a retro pixel art idle clicker game where you tap to defeat enemies and zombies. Build and collect various tanks, drones, canons, and shells, and gather survivors to enhance your abilities. This offline game offers automatic attacks and powerful boss battles.

**Highlights:** Automatic attack without touching the screen, Manufacture and collection of various tanks, Collecting production of canons and shells, Variety of tank skills, Gather survivors to strengthen abilities, Defeat powerful bosses, Offline play

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GEM PACK1 | $1.99 | one-time |
| STARTER PACK | $4.99 | one-time |
| GEM PACK2 | $4.99 | one-time |
| ADS PACK | $4.99 | one-time |
| Item Package 2 | $4.99 | one-time |
| LEVEL PACK 1 | $9.99 | one-time |
| LEVEL PACK 2 | $9.99 | one-time |
| Item Package 3 | $9.99 | one-time |
| GEM PACK3 | $19.99 | one-time |
| PREMIUM PACK | $29.99 | one-time |
| GEM PACK4 | $49.99 | one-time |


### AstroBrain Space Program

[App page](https://appshunter.io/ios/app/astrobrain-space-program/id6737922303)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroBrain Pro | $2.99 | one-time |


## Frequently asked questions

### Is Grow Tank Master free?

Grow Tank Master is free to download, with in-app purchases available.

### Is AstroBrain Space Program free?

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

### Do Grow Tank Master or AstroBrain Space Program have ads?

Grow Tank Master shows ads; AstroBrain Space Program does not.

### Which is updated more often, Grow Tank Master or AstroBrain Space Program?

Grow Tank Master ships an update every 3 months, and AstroBrain Space Program fortnightly. Most recently, Grow Tank Master was updated on September 1, 2026 and AstroBrain Space Program on September 14, 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.*