Zwitschern! Vogelstimmen
by Spiny Software Ltd
- Reference
- Paid
- Rating
- 4.9
- 16 ratings · Italy storefront
- Last update
- Jun 8, 2026
- Version 3.2.8
- Size
- 250 MB
- Category
- Reference
- Tracked since
- Oct 10, 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.
As seen on Alexander Armstrong's phone on the BBC's Michael McIntyre's Big Show
Simon Mayo, radio presenter: "Great app... Everyone loves it... Can I request a Bittern?"
Chosen by Apple for "Apps for the Great Outdoors"
"Identifying a bird by its song is fun and satisfying and this app is a great help" - The Telegraph, 500 Must-Have Apps
"Equal parts wildlife guide and feel-good pick-me-up" - The Guardian, "Top 10 Green Apps"
Chirp! includes songs and calls for 260 birds, and includes special features such as a ‘human translation’, to tell you what the bird is actually saying.
The identification and learning of bird songs can be hard, but not with Chirp!. A short description and helpful tips are given for each song or call, as well as a photo of each bird. Birds can be sorted by commonness, so you can listen to the most common ones first, then move on to rarer species. Or sort by song style, so that you can compare birds that hoot and coo, or those with high pitched songs for example. You can also sort by name, habitat or bird group.
After listening, try the quiz to test your memory. Answer fast to earn a score multiplier and get on the high score table. Experienced birders can use the custom quiz to help distinguish and learn similar songs.
The slideshow section can be used as a way to relax, or switch the voiceover on and see if you can say the name of the bird before the voiceover. This is a good way of competing with the family - who can say the name of the bird first?!
Includes birds from Britain, Ireland, France, the Netherlands, Switzerland, Germany, Denmark, Norway, Sweden, Spain, Portugal and Italy.
What’s new
Release notes for the latest version, as written by the developer.
Bug fixes and minor improvements.
Rank history
Daily position in the Germany charts. #1 is at the top.
- Best rank
- #49
- Current rank
- #61
- 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.
68/100
Not flagged as small & simple
- Developer size0% · 25
Developer: 15 apps on the charts
- Audience size100% · 20
Ratings: 16
- App size25% · 10
Size: 250 MB
- Price model100% · 15
Price model: paid
- Demand proof100% · 30
Best rank #1, 30 countries
An indicator, not a fact. We can't see team size. Calculated Oct 24, 2026 · method i2
How the score worksVersion history
- 3.2.8LatestReleased Jun 8, 2026