# TAPP H2O vs CalfDex

The clearest difference is rating: TAPP H2O at 5.0 against CalfDex's 4.0. TAPP H2O also leads on update cadence (every 2 months vs every 5 months). CalfDex's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

TAPP H2O holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

TAPP H2O ships an update every 2 months, CalfDex every 5 months. The most recent releases landed on September 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TAPP H2O | CalfDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tapp-h2o/id1463008364/reviews)** | [4.0 (6 ratings)](https://appshunter.io/ios/app/calfdex/id1643020508/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 35 MB | 57 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mammoth Trading Inc.](https://appshunter.io/developer/1463008363) | [K-State Diagnostic and Analytical Services, Inc](https://appshunter.io/developer/1065009558) |

## What reviewers say

### TAPP H2O

[App page](https://appshunter.io/ios/app/tapp-h2o/id1463008364)

Effortlessly monitor water consumption, allocations, and efficiency for growers. Automates data entry by capturing meter readings via photos, generating insightful reports and reducing manual paperwork for regulatory compliance.

**Highlights:** Automated meter reading via photo capture, Intuitive water usage reports, Streamlined regulatory compliance, Water performance insights, Team collaboration features

**Features:** macOS Compatibility

**In-app purchases:** none


### CalfDex

[App page](https://appshunter.io/ios/app/calfdex/id1643020508)

This mobile application allows beef ranchers to easily collect and record individual animal data in the field. All collected information is uploaded to the web for producers to access in user-friendly formats.

**Highlights:** Individual animal data collection, Field data recording, Web data upload, Producer-friendly data formats, Cross-platform compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TAPP H2O free?

TAPP H2O is free to download, with no in-app purchases.

### Is CalfDex free?

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

### Which has better reviews, TAPP H2O or CalfDex?

TAPP H2O is rated higher. TAPP H2O averages 5.0 out of 5 from 2 ratings, while CalfDex averages 4.0 from 6 ratings.

### Do TAPP H2O or CalfDex have ads?

TAPP H2O shows ads; CalfDex does not.

### Which is updated more often, TAPP H2O or CalfDex?

TAPP H2O ships an update every 2 months, and CalfDex every 5 months. Most recently, TAPP H2O was updated on September 19, 2026 and CalfDex on October 6, 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.*