# UK Postbox vs IIVA

The clearest difference is rating: IIVA at 4.0 against UK Postbox's 2.3. IIVA also leads on review sentiment (78% vs 64%) and ratings volume (33 vs 3). UK Postbox's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. IIVA sells 1 one-off in-app purchase. UK Postbox asks for nothing beyond the download.

IIVA holds the better App Store score, 4.0 against 2.3. That said, the two scores are not equally well evidenced: IIVA has 33 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 64% of UK Postbox's written reviews are positive against 78% of IIVA's.

UK Postbox ships an update monthly, IIVA every 3 weeks. The most recent releases landed on August 5, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | UK Postbox | IIVA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/uk-postbox/id444085689/reviews) | **[4.0 (33 ratings)](https://appshunter.io/ios/app/iiva/id1614231457/reviews)** |
| Number of ratings | 3 | **33** |
| Positive reviews | 63.6% of reviews | **77.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 44 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [iPostalMail™](https://appshunter.io/developer/444085692) | [文亮 马](https://appshunter.io/developer/1473813280) |

## What reviewers say

### UK Postbox

[App page](https://appshunter.io/ios/app/uk-postbox/id444085689)

Manage your virtual mailbox and physical address from anywhere. View incoming mail, process items like scanning or forwarding, and send letters online. Requires a UK Postbox account.

**Highlights:** Dashboard overview, Manage inbox items, Send letters online, Account settings, Virtual address management, Mail forwarding

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

**In-app purchases:** none


### IIVA

[App page](https://appshunter.io/ios/app/iiva/id1614231457)

This app plays a wide range of video formats like MKV, MP4, and AVI. It offers flexible streaming options from local network shares (SMB, WebDAV) and cloud storage services such as Emby and Aliyun Drive.

**Highlights:** Plays MKV, MP4, AVI formats, Streams from local storage (SMB, WebDAV), Supports cloud storage (Emby, Aliyun Drive), Modern media player interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IIVA Pro | $9.99 | one-time |


## Frequently asked questions

### Is UK Postbox free?

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

### Is IIVA free?

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

### Which has better reviews, UK Postbox or IIVA?

IIVA is rated higher. UK Postbox averages 2.3 out of 5 from 3 ratings, while IIVA averages 4.0 from 33 ratings.

### Do UK Postbox or IIVA have ads?

Neither UK Postbox nor IIVA shows ads.

### Which is updated more often, UK Postbox or IIVA?

UK Postbox ships an update monthly, and IIVA every 3 weeks. Most recently, UK Postbox was updated on August 5, 2026 and IIVA on June 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*