# Go Postal vs One Big Keyboard

The clearest difference is device support: Go Postal at 3 against One Big Keyboard's 1. Go Postal also leads on iOS requirement (13.4 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Go Postal sells 4 in-app purchases, starting at $14.99 per month and One Big Keyboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Go Postal | One Big Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/go-postal-ai-email-assistant/id6736842409/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 3 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GoPostal](https://appshunter.io/developer/6792425122) | [Hello Good Day LLC](https://appshunter.io/developer/1720039558) |

## What reviewers say

### Go Postal

[App page](https://appshunter.io/ios/app/go-postal-ai-email-assistant/id6736842409)

This AI-powered assistant helps you manage your inbox efficiently. It automates email organization, generates responses in seconds, and learns your writing style. Save time and stay focused on what matters most.

**Highlights:** AI-generated email responses, Smart inbox filtering and organization, Learns user's writing style, Bulk email management, Predicted important emails

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Package | $14.99 | per month |
| Yearly Package | $154.99 | per year |
| Monthly Package | $14.99 | one-time |
| Yearly Package | $154.99 | one-time |


### One Big Keyboard

[App page](https://appshunter.io/ios/app/one-big-keyboard-operators/id6801952736)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Big Keyboard Pro | $4.99 | one-time |


## Frequently asked questions

### Is Go Postal free?

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

### Is One Big Keyboard free?

One Big Keyboard is free to download, with in-app purchases available.

### Do Go Postal or One Big Keyboard have ads?

Neither Go Postal nor One Big Keyboard shows ads.

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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.*