# IBWC vs Otter Inbox

The clearest difference is update cadence: Otter Inbox at fortnightly against IBWC's every 5 months. IBWC's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IBWC ships an update every 5 months, Otter Inbox fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IBWC | Otter Inbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 25 MB | 52 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [RED VISION COMPUTER TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1098668416) | [Otter, LLC](https://appshunter.io/developer/1547310644) |

## What reviewers say

### IBWC

[App page](https://appshunter.io/ios/app/ibwc/id1438849399)

**Features:** macOS Compatibility

**In-app purchases:** none


### Otter Inbox

[App page](https://appshunter.io/ios/app/otter-inbox/id6445922207)

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

**In-app purchases:** none


## Frequently asked questions

### Is IBWC free?

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

### Is Otter Inbox free?

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

### Do IBWC or Otter Inbox have ads?

Neither IBWC nor Otter Inbox shows ads.

### Which is updated more often, IBWC or Otter Inbox?

IBWC ships an update every 5 months, and Otter Inbox fortnightly. Most recently, IBWC was updated on November 2, 2026 and Otter Inbox on November 3, 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.*