# SmartPB vs WordsMirror

The clearest difference is in-app purchases: SmartPB at none against WordsMirror's 1. WordsMirror's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WordsMirror sells 1 one-off in-app purchase. SmartPB asks for nothing beyond the download.

SmartPB ships an update every 2 months, WordsMirror every 2 days. The most recent releases landed on August 24, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | SmartPB | WordsMirror |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 95 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [南京沁恒微电子股份有限公司](https://appshunter.io/developer/1580700719) | [leng xiangjun](https://appshunter.io/developer/1018719700) |

## What reviewers say

### SmartPB

[App page](https://appshunter.io/ios/app/smartpb/id6760346150)

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

**In-app purchases:** none


### WordsMirror

[App page](https://appshunter.io/ios/app/wordsmirror/id6760899691)

This utility app mirrors text horizontally, making it readable on screens when viewed via camera. It offers adjustable scrolling, custom text, and a preset library for live streaming scenarios. Enjoy a smooth, local experience with remote control options.

**Highlights:** Horizontal text mirroring, Adjustable scrolling speed and size, Preset phrase library, Customizable text cards, Favorite phrase management, Remote scrolling control

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Version | $3.99 | one-time |


## Frequently asked questions

### Is SmartPB free?

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

### Is WordsMirror free?

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

### Do SmartPB or WordsMirror have ads?

Neither SmartPB nor WordsMirror shows ads.

### Which is updated more often, SmartPB or WordsMirror?

SmartPB ships an update every 2 months, and WordsMirror every 2 days. Most recently, SmartPB was updated on August 24, 2026 and WordsMirror on September 2, 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.*