# Holman Water vs Birdata

The clearest difference is review sentiment: Birdata at 36% against Holman Water's 20%. Holman Water's advantage is monetization model (free vs ad-supported) and update cadence (fortnightly vs monthly). 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.

Holman Water ships an update fortnightly, Birdata monthly. The most recent releases landed on October 22, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Holman Water | Birdata |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **35.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 44 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bookleaf PTY Ltd](https://appshunter.io/developer/961301374) | [BirdLife Australia Ltd.](https://appshunter.io/developer/658218395) |

## What reviewers say

### Holman Water

[App page](https://appshunter.io/ios/app/holman-water/id988898811)

Easily set up and manage multiple tap timers for your watering needs. Configure individual schedules, durations, and watering days for up to eight timers independently. Offers flexible scheduling options including interval days and odd/even day settings.

**Highlights:** Connect up to 8 tap timers, Independent configuration per timer, Watering duration from 1 min to 12h 59m, 3 start times per day, 7-day watering calendar, Odd/even day scheduling, Interval day setting, Manual on/off control

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

**In-app purchases:** none


### Birdata

[App page](https://appshunter.io/ios/app/birdata/id993576820)

This app allows volunteers and researchers to easily enter bird survey data directly from their mobile devices in the field. It provides basic reporting statistics and contributes to vital conservation efforts and reports on Australia's bird populations.

**Highlights:** Field data entry, Basic reporting statistics, Supports structured monitoring, Can be used for birding lists, Contributes to conservation reports

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

**In-app purchases:** none


## Frequently asked questions

### Is Holman Water free?

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

### Is Birdata free?

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

### Do Holman Water or Birdata have ads?

Neither Holman Water nor Birdata shows ads.

### Which is updated more often, Holman Water or Birdata?

Holman Water ships an update fortnightly, and Birdata monthly. Most recently, Holman Water was updated on October 22, 2026 and Birdata on October 4, 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.*