# CalfGuide vs VaDia+

The clearest difference is in-app purchases: CalfGuide at none against VaDia+'s 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. VaDia+ sells 1 one-off in-app purchase. CalfGuide asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CalfGuide | VaDia+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 82 MB | 62 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Holm & Laue GmbH & Co. KG](https://appshunter.io/developer/1460267524) | [Biocontrol](https://appshunter.io/developer/1586087157) |

## What reviewers say

### CalfGuide

[App page](https://appshunter.io/ios/app/calfguide/id1460267525)

Manage calf feeding data, monitor drinking habits, and track health with detailed insights from automated systems. Receive customizable notifications for feeding, fill levels, and system alerts to keep your calf barn running smoothly.

**Highlights:** Calf list with feeding data, Automated system overview, Customizable push notifications, Calf health assessment tool, Multi-feeder management

**Features:** macOS Compatibility

**In-app purchases:** none


### VaDia+

[App page](https://appshunter.io/ios/app/vadia-plus/id1633986826)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One-year licence | $129.99 | one-time |


## Frequently asked questions

### Is CalfGuide free?

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

### Is VaDia+ free?

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

### Do CalfGuide or VaDia+ have ads?

Neither CalfGuide nor VaDia+ shows ads.

### Which is updated more often, CalfGuide or VaDia+?

CalfGuide ships an update every 2 months, and VaDia+ every 2 months. Most recently, CalfGuide was updated on September 8, 2026 and VaDia+ on September 24, 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.*