# PBExpo vs MirrorCaption

The clearest difference is in-app purchases: PBExpo at none against MirrorCaption's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MirrorCaption sells 3 in-app purchases, starting at $4.99 per month. PBExpo asks for nothing beyond the download.

PBExpo ships an update every 2 days, MirrorCaption every 3 days. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PBExpo | MirrorCaption |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 141 MB | 6 MB |
| Requires iOS | **17.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Partsbase](https://appshunter.io/developer/1438651176) | [Xueyun Qian](https://appshunter.io/developer/6806851324) |

## What reviewers say

### PBExpo

[App page](https://appshunter.io/ios/app/pbexpo/id6796529595)

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

**In-app purchases:** none


### MirrorCaption

[App page](https://appshunter.io/ios/app/mirrorcaption-interpreter-ai/id6806850738)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |
| Premium | $89.99 | one-time |


## Frequently asked questions

### Is PBExpo free?

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

### Is MirrorCaption free?

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

### Do PBExpo or MirrorCaption have ads?

Neither PBExpo nor MirrorCaption shows ads.

### Which is updated more often, PBExpo or MirrorCaption?

PBExpo ships an update every 2 days, and MirrorCaption every 3 days. Most recently, PBExpo was updated on October 5, 2026 and MirrorCaption on October 19, 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.*