# Proof Pocket vs LuWu

The clearest difference is price: Proof Pocket at Free against LuWu's $1.99. LuWu's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Proof Pocket is free to download; LuWu costs $1.99 up front. Proof Pocket sells 2 in-app purchases, starting at $14.99 per year. LuWu asks for nothing beyond the download.

Proof Pocket ships an update every 8 days, LuWu every 10 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Proof Pocket | LuWu |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Size | 46 MB | 117 MB |
| Requires iOS | 16.0 | **15.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Karol Burdzinski](https://appshunter.io/developer/1845669592) | [万龙 唐](https://appshunter.io/developer/1385331602) |

## What reviewers say

### Proof Pocket

[App page](https://appshunter.io/ios/app/proof-pocket-document-vault/id6753912757)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly subscription | $14.99 | per year |
| Full application unlock | $39.99 | one-time |


### LuWu

[App page](https://appshunter.io/ios/app/luwu/id6783850638)

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

**In-app purchases:** none


## Frequently asked questions

### Is Proof Pocket free?

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

### Is LuWu free?

LuWu costs $1.99, with no in-app purchases.

### Do Proof Pocket or LuWu have ads?

Neither Proof Pocket nor LuWu shows ads.

### Which is updated more often, Proof Pocket or LuWu?

Proof Pocket ships an update every 8 days, and LuWu every 10 days. Most recently, Proof Pocket was updated on November 9, 2026 and LuWu on November 10, 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.*