# MailCat vs WiseBooster

The clearest difference is price: WiseBooster at Free against MailCat's $3.99. WiseBooster also leads on rating (5.0 vs 1.0) and update cadence (every 3 weeks vs every 4 months). MailCat's advantage is in-app purchases (none vs 7). On ratings volume, ads, device support and iOS requirement there is nothing between them.

WiseBooster is free to download; MailCat costs $3.99 up front. WiseBooster sells 7 in-app purchases, starting at $8.99 per 7 days. MailCat asks for nothing beyond the download.

WiseBooster holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

MailCat ships an update every 4 months, WiseBooster every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MailCat | WiseBooster |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mailcat/id459361669/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wisebooster-clean-storage/id6754237185/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 93 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seimitsusakufu LLC](https://appshunter.io/developer/459361672) | [LEXLEGATI IMMO](https://appshunter.io/developer/1847307298) |

## 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


### WiseBooster

[App page](https://appshunter.io/ios/app/wisebooster-clean-storage/id6754237185)

This app helps you free up iPhone storage by identifying and removing unnecessary files, organizing media, and cleaning up your contacts. It also offers secure private storage for photos and videos, and an intelligent document assistant for summarizing and understanding file content.

**Highlights:** Smart storage cleaner, Photo and video cleanup, Contact cleanup, Secure private storage, Storage overview, Smart document assistant

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One week | $8.99 | per 7 days |
| One week | $12.99 | per 7 days |
| Quarter | $69.99 | per 3 months |
| 3 tokens | $2.99 | one-time |
| 7 tokens | $6.99 | one-time |
| 30 tokens | $29.99 | one-time |
| 50 tokens | $49.99 | one-time |


## Frequently asked questions

### Is MailCat free?

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

### Is WiseBooster free?

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

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

WiseBooster is rated higher. MailCat averages 1.0 out of 5 from 1 ratings, while WiseBooster averages 5.0 from 1 ratings.

### Do MailCat or WiseBooster have ads?

Neither MailCat nor WiseBooster shows ads.

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

MailCat ships an update every 4 months, and WiseBooster every 3 weeks. Most recently, MailCat was updated on October 23, 2026 and WiseBooster on October 24, 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.*