# E vs PigVN

The clearest difference is ads: PigVN at none against E's shown. PigVN also leads on update cadence (every 9 days vs every 4 months). E's advantage is iOS requirement (10.3 vs 16.4). On price, 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.

E ships an update every 4 months, PigVN every 9 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | E | PigVN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/e-diagnostic/id1387730960/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 42 MB | 31 MB |
| Requires iOS | **10.3** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [333 Corporate 1998, S.L.](https://appshunter.io/developer/601314449) | [Tuong Vinh Nguyen](https://appshunter.io/developer/6780936412) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-diagnostic/id1387730960)

This diagnostic tool helps identify potential swine diseases based on observed symptoms and animal age. It provides detailed descriptions and images of conditions, acting as an illustrative guide for users registered on pig333.com.

**Highlights:** Swine disease and condition descriptions, Images of major swine diseases, Symptom-based diagnosis, Age-specific disease lists, Detailed disease information, Multilingual support (English, Spanish)

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

**In-app purchases:** none


### PigVN

[App page](https://appshunter.io/ios/app/pigvn/id6780936410)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is PigVN free?

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

### Do E or PigVN have ads?

E shows ads; PigVN does not.

### Which is updated more often, E or PigVN?

E ships an update every 4 months, and PigVN every 9 days. Most recently, E was updated on November 2, 2026 and PigVN on November 5, 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.*