Pizzey and Knight Birds of Aus
by Gibbon Multimedia Pty Ltd
- Reference
- Paid
- Small & simple · 87
- Rating
- 4.3
- 46 ratings
- Top 36%among 42 Reference apps
- Last update
- Sep 16, 2026
- Version 2.2.2
- Size
- 1,444 MB
- Category
- Reference
- Tracked since
- Oct 9, 2026
Estimated revenue
A model estimate with a likely range, not a reported figure.
No estimate. Apps outside the grossing charts, and some countries, have no reliable rank-to-revenue curve, so we show nothing rather than a guess.
How this estimate is made
Rank: we take the app's best Top Grossing rank on the latest chart day. Category ranks are converted into an equivalent overall rank, because a #10 in Finance earns far less than a #10 overall.
Curve: that equivalent rank is read off a rank-to-revenue curve anchored on public company revenue and market-data reports for the US iPhone App Store.
Country: the curve is scaled per country (Japan is roughly a third of the US, Türkiye under 1%). Where we have no scale, such as China, there is no estimate.
Range: the likely range widens with country, category and chart depth. It is a plausible span, not a statistical confidence interval.
Not included: ads, payments outside the App Store, and any difference between gross sales and what the developer keeps. Low confidence means indirect data; medium means several independent sources agree.
Full methodScreenshots
As shown on the App Store listing.
About this app
Text from the App Store listing.
The PIZZEY AND KNIGHT BIRDS OF AUSTRALIA Digital Edition for iPhone and iPad is a comprehensive and interactive application that combines images and sounds on over 980 Australian bird species with seven interactive modules for every aspect of mobile birding. A side menu facilitates easy navigation between all modules.
The app can be used as a FIELD GUIDE (like the book) or as a BIRD LIST, with essential functions such as view bird page, distribution map or text, play the sound, add to your list, and view similar birds available directly in both.
The FIELD GUIDE displays the full field guide (family) pages of the book. You can browse the pages, select from the family list, or search for a specific species in the bird list. Selecting a bird links to the full functions toolbar.
The BIRD GUIDE includes a full bird list and links to individual BIRD PAGES for over 980 species, with illustrations, species text, colour-coded distribution maps, photographs and sounds. Selecting a bird in the list opens the full functions toolbar. Optional settings for the BIRD LIST include regional lists, alphabetical or taxonomic sort order, text and thumbnail size, and bird names in 10 languages including English, Scientific, Chinese, Dutch, French, German, Italian, Japanese, Potuguese, Spanish, Swedish.
SIMILAR BIRDS loads a list of birds for comparison and identification.
COMPARE BIRDS displays the bird pages side by side for direct comparison.
IDENTIFICATION uses location, habitat, bird shapes and plumage to shortlist possible species for identification, or viewing with the Compare Birds function.
MY LOCATION is an interactive map for generating bird lists and locating birding sites near you. You can use current location or drop a pin for a new location with GPS co-ords and bird list. Birding sites are displayed with links to a list and site description.
MY LISTS is a personal list manager that includes a life list and sub-lists that report to your life list. Sighting details include place, date, GPS co-ords, and sighting notes. You can sync your lists to iCloud for backup, and also sync to linked devices. The SIGHTINGS SUMMARY for a selected species displays a list of sightings or sighting localities on a map.
BIRDING SITES includes descriptions and photos of over 270 birding sites from around Australia, with functions for a bird list and ‘show on map’.
MY PHOTOS links your personal bird photos to your sightings and lists, displays thumbnails on the bird pages and links to a photo viewer.
BIRD GAMES to both learn and test your skills. Game levels include BEGINNER, BIRDER, TWITCHER, and SOUND. Start with 50 free rounds and use the in-app-purchase to continue.
The MULTIMEDIA DATA includes • over 250 field-guide pages • over 980 individual bird pages • all the ‘new’ bird species and names • over 2500 illustrations, 4000 photos, and 1500 bird sounds • colour-coded distribution maps • seasonal status bar • endemic and red data species • rare bird maps.
This app can be used in the bush and remote locations. It does NOT require a wifi, phone or internet connection to operate.
What’s new
Release notes for the latest version, as written by the developer.
Updates for IOS 26 "liquid glass"
Updates for Google Maps.
Bird Games now free in-app-purchase.
Rank history
Daily position in the Australia charts. #1 is at the top.
- Best rank
- #2
- Current rank
- #4
- Days charting
- 7 of 7
On the charts today
Small & simple score
How realistic it is for a small team to build something like this.
87/100
Small & simple
- Developer size100% · 25
Developer: 1 app on the charts
- Audience size100% · 20
Ratings: 46
- App size0% · 10
Size: 1,444 MB
- Price model100% · 15
Price model: paid
- Demand proof90% · 30
Best rank #2, 6 countries
An indicator, not a fact. We can't see team size. Calculated Oct 24, 2026 · method i2
How the score worksVersion history
- 2.2.2LatestReleased Sep 16, 2026