# MailCat vs BT

The clearest difference is price: BT at Free against MailCat's $3.99. BT also leads on iOS requirement (8.1 vs 16.6). MailCat's advantage is review sentiment (13% vs 0%). On rating, ratings volume, update cadence and ads there is nothing between them.

BT is free to download; MailCat costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for MailCat against 1.0 for BT. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 13% of MailCat's written reviews are positive against 0% of BT's.

MailCat ships an update every 4 months, BT every 5 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | MailCat | BT |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mailcat/id459361669/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/bt-switch/id983916137/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **13.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 4 MB | 9 MB |
| Requires iOS | 16.6 | **8.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seimitsusakufu LLC](https://appshunter.io/developer/459361672) | [Electromen Oy](https://appshunter.io/developer/827292861) |

## 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


### BT

[App page](https://appshunter.io/ios/app/bt-switch/id983916137)

Control Bluetooth-enabled LED dimmers and switches directly from your smartphone. Adjust lighting settings with ease using this utility application.

**Highlights:** Control Bluetooth LED dimmers, Control Bluetooth switches, Adjust lighting settings, Smartphone utility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MailCat free?

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

### Is BT free?

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

### Which has better reviews, MailCat or BT?

MailCat and BT are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do MailCat or BT have ads?

Neither MailCat nor BT shows ads.

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

MailCat ships an update every 4 months, and BT every 5 months. Most recently, MailCat was updated on November 1, 2026 and BT on November 6, 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.*