# MailCat vs Non

The clearest difference is update cadence: MailCat at every 4 months against Non's every 8 months. Non's advantage is price ($1.99 vs $3.99) and iOS requirement (9.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

MailCat costs $3.99 and Non $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MailCat ships an update every 4 months, Non every 8 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MailCat | Non |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mailcat/id459361669/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | Paid | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seimitsusakufu LLC](https://appshunter.io/developer/459361672) | [QWERT LLC](https://appshunter.io/developer/1818744715) |

## What reviewers say

### MailCat

[App page](https://appshunter.io/ios/app/mailcat/id459361669)

This app helps organize your inbox by automatically categorizing emails using machine learning and custom rules. It can filter spam and move messages to designated mailboxes, supporting IMAP accounts.

**Highlights:** Machine learning spam filtering, Rule-based email categorization, IMAP account support, Move emails to specified mailboxes, Blacklist and spam learning data, Multiple account switching

**Features:** Vision Pro support

**In-app purchases:** none


### Non

[App page](https://appshunter.io/ios/app/non-overlapping-grouping-pro/id1466498428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MailCat free?

MailCat costs $3.99, with no in-app purchases.

### Is Non free?

Non costs $1.99, with no in-app purchases.

### Do MailCat or Non have ads?

Neither MailCat nor Non shows ads.

### Which is updated more often, MailCat or Non?

MailCat ships an update every 4 months, and Non every 8 months. Most recently, MailCat was updated on October 15, 2026 and Non on October 8, 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.*