Comparison

The Warbler Guide vs Raptor ID

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

The Warbler Guide

Identify birds by sight or song with this comprehensive guide. Features 3D models, detailed ID points, and a vast library of songs and calls to help you quickly and confidently identify warblers in the field.

Highlights
  • Bird identification by sight and song
  • Interactive 3D bird models
  • Extensive warbler song library
  • Visual and audio comparison tools
  • Detailed ID points and master pages
  • Age and sex determination guide
Features
Read full description

Warbler Guide App Tom Stephenson & Scott Whittle Winner of the 2016 PROSE Award for Best App/eProduct The Warbler Guide App is the perfect companion to Princeton’s revolutionary and widely acclaimed book The Warbler Guide, by Tom Stephenson and Scott Whittle. Whether for study or field use, this innovative app delivers the full power of The Warbler Guide in your pocket—plus unique new app-only features. The app allows you to identify birds by view or song, quickly and intuitively. Exciting new 3D graphics enable you to view a bird from the exact angle you see it in the field. And the whole range of warbler songs is easily played, compared, and filtered. Breakthrough features from The Warbler Guide book that are included in the app: • Rapid and confident two-step ID process using visual finders and comparison species • The first complete treatment of warbler songs, using a new objective vocabulary • An intuitive visual finder that includes side, 45-degree, and undertail views • Master Pages with detailed ID points • Complete guide to determining the age and sex of warblers with photos of all ages and sexes • Annotated sonograms showing song structure and key ID points • Complete songs, chip calls, and flight calls for all species • Comparison species for making confident visual and audio IDs • Many additional photos to show behavior and reinforce key ID points • Highlighted diagnostic ID points • Color Impression Icons for narrowing down ID of warblers from the briefest glimpses • Behavior and habitat icons Unique new app-only features: • 3D models of birds in all plumages, rotatable and pinch-zoomable to match field experience of a bird • Intuitive, visual, and interactive finders with filters for possible species based on audio and visual criteria chosen by the user • Playback of all songs and vocalizations with sonograms makes study of vocalizations easy • Selectable finder sortings grouped by color, alphabetical order, song type, and taxonomic order • Interactive song finder using objective vocabulary for fast ID of unknown songs • Simultaneous visual and song finders make identifying an unknown warbler even easier • Half-speed song playback allows for easier study of song structure • Comparison species with selectable side, 45 degree, and undertail views • Features 75 3D images • Covers 48 species and 75 plumages • Includes 277 vocalizations, 156 songs, 73 contact calls, and 48 flight calls • Detailed "how to use" tutorial screens Requires iOS 7.0 or later Tom Stephenson’s articles and photos have appeared in Birding and Bird Watcher’s Digest, at Surf-birds.com, and in the Handbook of the Birds of the World. He has guided groups across the United States and Asia. A musician, he has had several Grammy and Academy Award winners as clients, and was director of technology at Roland Corporation. Scott Whittle lives in Cape May, New Jersey, and has twenty years of experience as a professional photographer and educator. He holds an MFA in photography from the School of Visual Arts in New York, is a fellow of the MacDowell Colony, and is a onetime New York State Big Year record holder.

About

Raptor ID

This app provides expert-level identification for North America's diurnal raptors. It features nearly 1000 annotated photos and videos to help users identify birds in flight, catering to both beginners and experienced birdwatchers.

Highlights
  • 1000+ annotated photos
  • Identification videos in flight
  • Range maps with eBird links
  • Species vocalizations
  • Expert Q&A forum
Features
Read full description

The first raptor identification app designed for mobile devices; "HawkWatch International's Identification Guide to Raptors" puts expert hawk identification content in the palm of your hand. In this guide to North America's 34 species of diurnal raptors, you'll find nearly 1000 annotated photos, and cutting edge identification video for each species, geared toward helping you identify raptors in flight. If you're just getting started with birding, this app covers the basics; if you're already an expert hawk watcher, this app covers all the variation that can lead to identification confusion, even among the most seasoned birders. • Developed by HawkWatch International in partnership with the Cornell Lab of Ornithology • Comprehensive identification content created by Jerry Liguori and Brian Sullivan • ~1000 annotated photos covering plumage, age/sex, and geographic variation • Cutting edge ID-focused video showing each species in flight, including voice-over ID tips from Jerry Liguori • Range maps with links to interactive seasonal eBird maps • Vocalizations for each species • 'Ask the authors' raptor ID question forum

Screenshots

The Warbler Guide4 screens
Raptor ID4 screens

Verdict

The call

The clearest difference is price: Raptor ID at Free against The Warbler Guide's $12.99. Raptor ID also leads on update cadence (every 5 months vs every 13 months). The Warbler Guide's advantage is ads (none vs shown) and iOS requirement (8.0 vs 16.0). On rating, review sentiment, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Raptor ID is free to download; The Warbler Guide costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for The Warbler Guide against 4.5 for Raptor ID. Both are backed by a comparable volume of ratings — 46 and 50 respectively. Written reviews are what separate them: 80% of The Warbler Guide's written reviews are positive against 84% of Raptor ID's.

UpkeepUpdate frequency

The Warbler Guide ships an update every 13 months, Raptor ID every 5 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
The Warbler Guide versus Raptor ID: the parameters behind the verdict, then further details
ParameterThe Warbler GuideRaptor ID
Price$12.99Free — better
Rating4.5 (46 ratings)4.5 (50 ratings) — better
Positive reviews79.5% of reviews83.9% of reviews — better
Number of ratings4650 — better
Update frequencyEvery 13 monthsEvery 5 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size647 MB766 MB
Age rating4+4+
DeveloperPrinceton University PressHawkWatch International

Customer experience

The Warbler Guide

All ratings46 ratings
Positive87.0%
Neutral4.3%
Negative8.7%
Written reviews44 reviews
Positive79.5%
Neutral9.1%
Negative11.4%

Raptor ID

All ratings44 ratings
Positive86.4%
Neutral6.8%
Negative6.8%
Written reviews31 reviews
Positive83.9%
Neutral3.2%
Negative12.9%

In-app purchases

None

The Warbler Guide

No in-app purchases

None

Raptor ID

No in-app purchases

Questions

Is The Warbler Guide free?
The Warbler Guide costs $12.99, with no in-app purchases.
Is Raptor ID free?
Raptor ID is free to download, with no in-app purchases.
Which has better reviews, The Warbler Guide or Raptor ID?
Raptor ID is rated higher. The Warbler Guide averages 4.5 out of 5 from 46 ratings, while Raptor ID averages 4.5 from 50 ratings.
Do The Warbler Guide or Raptor ID have ads?
Raptor ID shows ads; The Warbler Guide does not.
Which is updated more often, The Warbler Guide or Raptor ID?
The Warbler Guide ships an update every 13 months, and Raptor ID every 5 months. Most recently, The Warbler Guide was updated on October 29, 2026 and Raptor ID on October 21, 2026.

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