# MailKit vs DeepCheck

The clearest difference is review sentiment: DeepCheck at 100% against MailKit's 0%. DeepCheck also leads on update cadence (every 4 days vs every 4 months). MailKit's advantage is price ($1.99 vs $4.99) and iOS requirement (16.6 vs 18.5). On ads, in-app purchases, monetization model and device support there is nothing between them.

MailKit costs $1.99 and DeepCheck $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MailKit ships an update every 4 months, DeepCheck every 4 days. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MailKit | DeepCheck |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mailkit-mail-filter/id550777297/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 4 MB | 4 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seimitsusakufu LLC](https://appshunter.io/developer/459361672) | [HYUNSUNG JO](https://appshunter.io/developer/1814036420) |

## What reviewers say

### MailKit

[App page](https://appshunter.io/ios/app/mailkit-mail-filter/id550777297)

This utility app helps manage incoming emails by automatically sorting them into specified mailboxes based on customizable rules. It supports IMAP accounts and offers various gestures for efficient mail handling and rule management.

**Highlights:** Automatic mail sorting via rules, IMAP account support, Customizable sender, subject, and message rules, Swipe gestures for actions, Pull-to-refresh and load older mails, Blacklist functionality

**Features:** Vision Pro support

**In-app purchases:** none


### DeepCheck

[App page](https://appshunter.io/ios/app/deepcheck-the-iphone-report/id6752374036)

Quickly verify an iPhone's condition before buying or selling. Test 26 core functions using official Apple technology to prevent costly mistakes and ensure peace of mind.

**Highlights:** 26 precise hardware checks, Detailed analysis report, Official Apple API usage, Screen pixel testing, Sensor functionality tests, Touch and speaker verification

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

**In-app purchases:** none


## Frequently asked questions

### Is MailKit free?

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

### Is DeepCheck free?

DeepCheck costs $4.99, with no in-app purchases.

### Do MailKit or DeepCheck have ads?

Neither MailKit nor DeepCheck shows ads.

### Which is updated more often, MailKit or DeepCheck?

MailKit ships an update every 4 months, and DeepCheck every 4 days. Most recently, MailKit was updated on October 19, 2026 and DeepCheck on October 13, 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.*