# gjAero vs Brew Day Toolbox

The clearest difference is in-app purchases: Brew Day Toolbox at none against gjAero's 4. Brew Day Toolbox also leads on iOS requirement (13.0 vs 17.5). gjAero's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. gjAero sells 4 one-off in-app purchases. Brew Day Toolbox asks for nothing beyond the download.

gjAero ships an update every 3 weeks, Brew Day Toolbox every 4 months. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | gjAero | Brew Day Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 1 MB | 29 MB |
| Requires iOS | 17.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gavin Jerman](https://appshunter.io/developer/1528217377) | [Daniel Amos](https://appshunter.io/developer/1701109036) |

## What reviewers say

### gjAero

[App page](https://appshunter.io/ios/app/gjaero/id6444918004)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Enormous Tip | $9.99 | one-time |


### Brew Day Toolbox

[App page](https://appshunter.io/ios/app/brew-day-toolbox/id6466722388)

This app provides comprehensive tools for brewing beer, including calculators for ABV, recipe scaling, and priming sugar. It also features a beer scorer to help improve brews and a timer to manage the brewing process. Keep track of your brewing to-do list and manage ingredients efficiently.

**Highlights:** Brewing calculators (ABV, recipe scaling, priming sugar), Beer scoring system, Brewing to-do list management, Brewing timer, Ingredient management, Mash monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is gjAero free?

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

### Is Brew Day Toolbox free?

Brew Day Toolbox is free to download, with no in-app purchases.

### Do gjAero or Brew Day Toolbox have ads?

Neither gjAero nor Brew Day Toolbox shows ads.

### Which is updated more often, gjAero or Brew Day Toolbox?

gjAero ships an update every 3 weeks, and Brew Day Toolbox every 4 months. Most recently, gjAero was updated on October 27, 2026 and Brew Day Toolbox on October 9, 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.*