# Mailbox Email Client for Gmail vs Outbox

The clearest difference is in-app purchases: Mailbox Email Client for Gmail at none against Outbox's 2. Outbox's advantage is rating (4.9 vs 4.5) and update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Outbox sells 2 in-app purchases, starting at $12.99 per month. Mailbox Email Client for Gmail asks for nothing beyond the download.

Outbox holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 31 and 11 respectively.

Mailbox Email Client for Gmail ships an update every 5 weeks, Outbox fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Mailbox Email Client for Gmail | Outbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (31 ratings)](https://appshunter.io/ios/app/mailbox-email-client-for-gmail/id6470321805/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/outbox-gmail-inbox-cleaner/id6503675090/reviews)** |
| Number of ratings | **31** | 11 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 42 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Indigogo](https://appshunter.io/developer/1713412253) | [Outbox LLC](https://appshunter.io/developer/1749915666) |

## What reviewers say

### Mailbox Email Client for Gmail

[App page](https://appshunter.io/ios/app/mailbox-email-client-for-gmail/id6470321805)

This app streamlines Gmail management with AI-powered summaries, multi-account support, and smart scheduling. Its intuitive design and fast swipe actions help users focus on important messages and boost productivity.

**Highlights:** AI email summarization, Multi-account management, Smart email scheduling, Lightning-fast swipe actions, Threaded conversations, Modern, clean interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Outbox

[App page](https://appshunter.io/ios/app/outbox-gmail-inbox-cleaner/id6503675090)

Effortlessly unsubscribe from unwanted emails and delete thousands of junk messages with a few taps. This app helps you reclaim storage space and focus on important communications by decluttering your inbox.

**Highlights:** Swipe to unsubscribe, Bulk unsubscribe, Delete junk emails, Reclaim storage space, Subscription sorting, Dark mode

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly $12.99 | $12.99 | per month |
| Outbox - Gmail Inbox Cleaner | $39.99 | per year |


## Frequently asked questions

### Is Mailbox Email Client for Gmail free?

Mailbox Email Client for Gmail is free to download, with no in-app purchases.

### Is Outbox free?

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

### Which has better reviews, Mailbox Email Client for Gmail or Outbox?

Outbox is rated higher. Mailbox Email Client for Gmail averages 4.5 out of 5 from 31 ratings, while Outbox averages 4.9 from 11 ratings.

### Do Mailbox Email Client for Gmail or Outbox have ads?

Neither Mailbox Email Client for Gmail nor Outbox shows ads.

### Which is updated more often, Mailbox Email Client for Gmail or Outbox?

Mailbox Email Client for Gmail ships an update every 5 weeks, and Outbox fortnightly. Most recently, Mailbox Email Client for Gmail was updated on October 24, 2026 and Outbox 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.*