# ExtendAg eField Ticket vs IVI Central

The clearest difference is update cadence: IVI Central at every 2 months against ExtendAg eField Ticket's every 7 months. On price, ads, 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.

ExtendAg eField Ticket ships an update every 7 months, IVI Central every 2 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ExtendAg eField Ticket | IVI Central |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 33 MB | 187 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cultura Technologies Inc](https://appshunter.io/developer/1130864545) | [Industrial Ventilation, Inc](https://appshunter.io/developer/489957530) |

## What reviewers say

### ExtendAg eField Ticket

[App page](https://appshunter.io/ios/app/extendag-efield-ticket/id1476587095)

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

**In-app purchases:** none


### IVI Central

[App page](https://appshunter.io/ios/app/ivi-central/id1525741362)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExtendAg eField Ticket free?

ExtendAg eField Ticket is free to download, with no in-app purchases.

### Is IVI Central free?

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

### Do ExtendAg eField Ticket or IVI Central have ads?

Neither ExtendAg eField Ticket nor IVI Central shows ads.

### Which is updated more often, ExtendAg eField Ticket or IVI Central?

ExtendAg eField Ticket ships an update every 7 months, and IVI Central every 2 months. Most recently, ExtendAg eField Ticket was updated on October 11, 2026 and IVI Central on October 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.*