# CalfGuide vs Dataflow II Mobile

The clearest difference is review sentiment: CalfGuide at 100% against Dataflow II Mobile's 60%. CalfGuide also leads on update cadence (every 2 months vs every 8 months). Dataflow II Mobile's advantage is iOS requirement (9.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CalfGuide ships an update every 2 months, Dataflow II Mobile every 8 months. The most recent releases landed on September 8, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | CalfGuide | Dataflow II Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 82 MB | 125 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Holm & Laue GmbH & Co. KG](https://appshunter.io/developer/1460267524) | [S.C.R. (ENGINEERS) LTD](https://appshunter.io/developer/928354281) |

## 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


### Dataflow II Mobile

[App page](https://appshunter.io/ios/app/dataflow-ii-mobile/id1566138179)

Manage your herd information in real-time with this advanced mobile application. Farm managers and workers can view key reports, capture events as they happen, and update information on the go, reducing trips to the office.

**Highlights:** Real-time herd information viewing, Event capture on the go, Animal identification and sorting lists, Streamlined farm management, Reduced office trips, On-the-fly report updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalfGuide free?

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

### Is Dataflow II Mobile free?

Dataflow II Mobile is free to download, with no in-app purchases.

### Do CalfGuide or Dataflow II Mobile have ads?

Neither CalfGuide nor Dataflow II Mobile shows ads.

### Which is updated more often, CalfGuide or Dataflow II Mobile?

CalfGuide ships an update every 2 months, and Dataflow II Mobile every 8 months. Most recently, CalfGuide was updated on September 8, 2026 and Dataflow II Mobile on June 11, 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.*