# GBA vs Adventist Inbox

The clearest difference is update cadence: Adventist Inbox at every 4 days against GBA's every 2 weeks. GBA's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GBA ships an update every 2 weeks, Adventist Inbox every 4 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GBA | Adventist Inbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 87 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [SUPERLEVEL, OOO](https://appshunter.io/developer/1558452077) | [Adventist World Radio](https://appshunter.io/developer/881515241) |

## What reviewers say

### GBA

[App page](https://appshunter.io/ios/app/gba-tower-defense/id6451270178)

**In-app purchases:** none


### Adventist Inbox

[App page](https://appshunter.io/ios/app/adventist-inbox/id6748588021)

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

**In-app purchases:** none


## Frequently asked questions

### Is GBA free?

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

### Is Adventist Inbox free?

Adventist Inbox is free to download, with no in-app purchases.

### Do GBA or Adventist Inbox have ads?

Neither GBA nor Adventist Inbox shows ads.

### Which is updated more often, GBA or Adventist Inbox?

GBA ships an update every 2 weeks, and Adventist Inbox every 4 days. Most recently, GBA was updated on October 27, 2026 and Adventist Inbox on October 28, 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.*