Side A
bird identification
Side B
Collins Bird Guide
Collins Bird Guide
Merlin Bird ID by Cornell Lab
Merlin Bird ID by Cornell Lab

Collins Bird Guide

The Collins Bird Guide App is the ultimate field guide for the birdwatcher

Merlin Bird ID by Cornell Lab

What’s that bird? Just answer 5 questions, snap a photo, or record its song!

Rank

10

For keyword

bird identification

Rank

1

USEnglish (United States)
Google Play
Rank History
Collins Bird Guide
Merlin Bird ID by Cornell Lab
Collins Bird Guide on 2026-07-18: rank 9Collins Bird Guide on 2026-07-19: rank 9Collins Bird Guide on 2026-07-20: rank 9Collins Bird Guide on 2026-07-21: rank 10Collins Bird Guide on 2026-07-22: rank 10Collins Bird Guide on 2026-07-23: rank 10Collins Bird Guide on 2026-07-24: rank 10Collins Bird Guide on 2026-07-25: rank 10Collins Bird Guide on 2026-07-26: rank 10Collins Bird Guide on 2026-07-27: rank 10Collins Bird Guide on 2026-07-28: rank 10Collins Bird Guide on 2026-07-29: rank 10Collins Bird Guide on 2026-07-30: rank 10Collins Bird Guide on 2026-07-31: rank 10Merlin Bird ID by Cornell Lab on 2026-07-18: rank 1Merlin Bird ID by Cornell Lab on 2026-07-19: rank 1Merlin Bird ID by Cornell Lab on 2026-07-20: rank 1Merlin Bird ID by Cornell Lab on 2026-07-21: rank 1Merlin Bird ID by Cornell Lab on 2026-07-22: rank 1Merlin Bird ID by Cornell Lab on 2026-07-23: rank 1Merlin Bird ID by Cornell Lab on 2026-07-24: rank 1Merlin Bird ID by Cornell Lab on 2026-07-25: rank 1Merlin Bird ID by Cornell Lab on 2026-07-26: rank 1Merlin Bird ID by Cornell Lab on 2026-07-27: rank 1Merlin Bird ID by Cornell Lab on 2026-07-28: rank 1Merlin Bird ID by Cornell Lab on 2026-07-29: rank 1Merlin Bird ID by Cornell Lab on 2026-07-30: rank 1Merlin Bird ID by Cornell Lab on 2026-07-31: rank 1
A18
82B
01Store Presence
1.5 / 12.5
vs
11 / 12.5
App A
App B
First released · max +1.5 pts
Jun 5, 2017
First released max +1.5 pts
+1.5Jun 26, 2014
Last updated · max +1.5 pts
Feb 21, 2026
Last updated max +1.5 pts
+1.5Jul 16, 2026
Screenshot count · max +0.5 pts
6
Screenshot count max +0.5 pts
+0.58
Downloads · max +3 pts
50,000+ +1.25
Downloads max +3 pts
+1.7510,000,000+
App price · max +0.5 pts
$19.99
App price max +0.5 pts
+0.5Free
Min IAP price · max +0.5 pts
1.49 $
Min IAP price max +0.5 pts
+0.5No IAP
Max IAP price · max +0.5 pts
12.99 $
Max IAP price max +0.5 pts
+0.5No IAP
Ads · max +0.5 pts
No +0.25
Ads max +0.5 pts
+0.25No
Rating · max +2 pts
4.2 ★
Rating max +2 pts
+24.9 ★
Rating count · max +2 pts
2K
Rating count max +2 pts
+2177K
02Keyword Optimization
4 / 9
vs
5 / 9
App A
App B
Keyword in Title · max +3 pts
1/2 words +1.5
Keyword in Title max +3 pts
+1.51/2 words
Keyword in Short Description · max +2 pts
1/2 words +1

The Collins Bird Guide App is the ultimate field guide for the birdwatcher

Keyword in Short Description max +2 pts
+11/2 words

What’s that bird? Just answer 5 questions, snap a photo, or record its song!

Keyword in Description · max +2 pts
All words (2/2) +1
Keyword in Description max +2 pts
+1All words (2/2)
Keyword Density · max +1 pts
Medium (1.3%) +0.5
Keyword Density max +1 pts
+0.5Medium (1.8%)
Title Length · max +1 pts
Short (18 chars)
Title Length max +1 pts
+1Optimised (29 chars)
03Conversion Intelligence
1 / 8
vs
7 / 8

Merlin Bird ID by Cornell Lab opens with the question "Who's singing?", a full-bleed singing warbler, and a captioned sound-ID screen, so the benefit lands instantly. Collins Bird Guide shows four uncaptioned device-frame screens of species grids and filters, leaving the searcher to infer what the app does, and its Chris Packham and BirdGuides press quotes stay buried in the description instead of appearing in the screenshots.

Scanned screenshots4 a · 4 b

Only the first 4 screenshots from each side are sent to the AI. These are what users see in App Store and Google Play search results, so they carry most of the conversion weight.

App A

App A screenshot 1App A screenshot 2App A screenshot 3App A screenshot 4

App B

App B screenshot 1App B screenshot 2App B screenshot 3App B screenshot 4

Value Proposition

B leads
AWeak

All four Collins Bird Guide screenshots show uncaptioned UI grids; no screen states the identification benefit a "bird identification" searcher wants.

BStrong

Merlin Bird ID by Cornell Lab's first screenshot states "Who's singing? Merlin Bird ID can tell you", answering the search intent immediately.

Clarity

B leads
AOn par

Collins Bird Guide's fourth screenshot shows concrete filter chips "Greece & Turkey Location" and "yellow plumage colour", but no caption names any feature.

BStrong

Merlin Bird ID by Cornell Lab's fourth screenshot pairs the caption "Identify singing birds" with a live spectrogram and "Best suggestions" results list.

Emotional Hook

B leads
AWeak

Collins Bird Guide's set is raw device-frame UI throughout; small plate illustrations of buntings and wagtails carry no outcome or feeling statement.

BOn par

Merlin Bird ID by Cornell Lab's second screenshot, a full-bleed singing yellowthroat, evokes the curiosity moment, though no screenshot shows the birder themselves.

Trust Signals

B leads
AWeak

Chris Packham's "the Collins app is fantastic" and the BirdGuides quote sit only in the description; no screenshot surfaces any credibility cue.

BStrong

The title "by Cornell Lab" plus description claims of eBird, "the world's largest database of bird sightings", give visible institutional backing.

04Review Intelligence
3 / 10
vs
7 / 10

Reviews of Collins Bird Guide consistently praise its field guide illustrations and its songs and calls, but a recurring complaint is being asked to pay again for the Third Edition right after buying the app, alongside reports of freezing and an Android version that trails the iPhone release. Reviews of Merlin Bird ID by Cornell Lab are dominated by praise for its sound identification, with smaller recurring issues limited to repeated sign-in prompts and requests for a dark mode.

App A: 100 reviews App B: 100 reviews

App A

100 reviews

Pain points

Second charge for the Third Edition after purchase

Medium

Freezing and slow performance

Medium

Android version trails the iPhone release

Medium

Strengths

Definitive field guide content and illustrations

High

Songs and calls valued in the field

Medium

Replaces carrying the printed book

Medium

App B

100 reviews

Pain points

Repeated sign-in prompts

Medium

Sound ID missing nearby birds

Low

No dark mode

Low

Strengths

Accurate sound identification

High

Educational and welcoming for beginners

Medium

Free of charge

Low
05Positioning Gap
2 / 15
vs
13 / 15

Collins Bird Guide positions itself as the authoritative reference: a digital edition of the Svensson/Mullarney/Zetterström book, "universally acknowledged as the standard European field guide", aimed at birdwatchers who want depth. Merlin Bird ID by Cornell Lab positions itself as effortless, free, AI-powered identification: "Just answer 5 questions, snap a photo, or record its song!". The mismatch is stark: one sells a trusted library to study, the other sells an instant answer, and the search phrase "bird identification" maps more directly onto Merlin's promise.

App A

Positioning

Authoritative European field guide

Target audience

Committed European birdwatchers, from passionate birders to casual watchers

Value promise

The standard European field guide, digitised: 700+ species, expert illustrations

Tone

Prestigious, editorial, endorsement-led

App B

Positioning

Instant AI identification magic

Target audience

Curious beginners and casual observers anywhere in the world

Value promise

Identify any bird you see or hear, free, in seconds

Tone

Playful, inviting, confidence-inspiring

Gap

Collins Bird Guide leads with book authority (the Svensson text, 3500+ illustrations, press endorsements) while Merlin Bird ID by Cornell Lab leads with instant resolution of the searcher's exact question, opening the subtitle with "What's that bird?" and naming three effortless ID methods.

Opportunity

Merlin Bird ID by Cornell Lab positions globally and casually, which leaves Collins Bird Guide room to own the serious European birder outright: comprehensive regional coverage, curated confusion lists, and identification skill you keep when the phone stays in your pocket.

Risk

The Collins Bird Guide short description spends 75 of 80 characters restating the title plus the generic superlative "the ultimate field guide", never mentioning identification methods, European coverage, or species count; a searcher comparing it against a free app that promises photo and sound ID in its subtitle gets no concrete reason to choose the paid reference, which directly suppresses tap-through and conversion on this keyword.

Strategic advantage

Collins Bird Guide has credentialed depth no AI app claims: the standard European reference text, curated confusion lists, and 3500+ plates by named illustrators. That is decisive for committed European birders whose buying motive is trusted accuracy on difficult species pairs rather than a quick answer.

Missed opportunity

Neither listing owns offline field reliability: identification on a moor or coastline with no signal. Collins Bird Guide gestures at it with "always to hand on your device" and Merlin Bird ID by Cornell Lab does not raise it at all, yet no-connectivity fieldwork is precisely when birders need an ID tool most.

06Final Verdict
18 / 100
vs
82 / 100

App A

18

Collins Bird Guide

Far behind

B wins

App B

82

Merlin Bird ID by Cornell Lab

Dominant

For bird identification, Merlin Bird ID by Cornell Lab's #1 rank is fully defensible: its listing answers the searcher's exact question ("What's that bird?") while Collins Bird Guide, at #10, sells a reference library to a searcher asking for an instant answer. Collins Bird Guide is not losing on product depth, it is losing on intent match at every layer of the listing.

Why it wins

Merlin Bird ID by Cornell Lab converts the bird identification intent from the first screenshot ("Who's singing?") through to reviews dominated by praise for its sound ID, so relevance, conversion, and user trust all reinforce the rank. Collins Bird Guide's short description spends nearly all 80 characters restating the title and never names an identification method, and its reviews carry a recurring second-charge complaint that undercuts trust at the moment of purchase.

Biggest opportunity

Collins Bird Guide holds credentialed depth no AI identifier claims, the standard European reference with 3500+ expert plates and curated confusion lists, yet neither its title nor short description currently says bird identification at all, leaving its strongest audience (committed European birders) with no keyword-matched reason to tap.

Next priority

Test a short description that puts the keyword inside the authority claim, for example "Europe's standard bird identification guide: 700+ species, 3500 illustrations" (77 characters), replacing the generic "ultimate field guide" line. Pair it with stating on the listing which edition the purchase includes, since the surprise Third Edition charge is the most repeated trust complaint in reviews of Collins Bird Guide.

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