Birdathon vs IELTS Collocation PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Birdathon
This app helps birdwatchers create and organize detailed checklists of their observations. It automatically records time and location, allowing for easy editing and customization. Users can visualize their sightings on maps, add field notes, and export data for sharing or further analysis.
- Observation-centric checklists
- Automatic time and location recording
- Customizable maps with boundary overlays
- Field notes for additional observations
- Multiple checklist sorting options
- Data export to CSV and other formats
- Create checklist templates
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Birdathon is an observation-centric tool for creating birding checklists. It helps you organize your checklists and share them with others. Use Birdathon in the field to quickly record whether and where a bird is seen or heard and the number observed. The time and location of each observation is automatically recorded. You can adjust the location, time entries and the count of birds observed at any time to ensure your records are accurate. You can add breeding codes to your observations. Checklist maps display the locations of your observations. You can overlay county boundaries for every US state. You can add a range circle such as a 5MR (5-mile Radius) to your maps. You can import and overlay custom kml/kmz files onto your maps. An Overview feature lets you see your combined observations for any time period, and displays a map showing any boundaries you have selected, so you can utilize the map feature even when you are not actively checklisting. You can export Overview data into a csv text file or create a new checklist template from the Overview. Your checklists can be viewed in taxonomic order, alphabetically, by rarity or as a timeline of species. You can enrich your checklist with field notes and add observations such as mammals, butterflies, wildflowers, etc., to make it a more complete record of your experience. You can organize your checklists into categories such as Day List, Year List, County List, Life List, etc., and assign color themes to your lists. Bird species may be added and deleted from your lists at any time. You can create new checklist templates from your previous lists or import templates created by others. You can change which template is being used. You can import text files into Birdathon, making them into templates or new checklists. Different export options for your checklists allow you to import into eBird or another copy of Birdathon. The bird species source data and other resources used in this app come from the following sources: AviList, a unified global checklist of birds, is the core data set used for Birdathon. https://www.avilist.org. Some data has been integrated from the following sources: The eBird/Clements checklist of birds of the world (https://www.birds.cornell.edu/clementschecklist/download/), the American Ornithological Society's (AOS) Checklist of North and Middle American Birds (https://checklist.americanornithology.org), and the American Birding Association's (ABA) checklist of North American Birds (https://www.aba.org/listing-taxonomy/) Alpha codes come from The Institute for Bird Populations’ Standardized 4- and 6-letter Bird Species Codes. https://www.birdpop.org/pages/birdSpeciesCodes.php. County boundary data is from the United States Geological Survey (USGS) TIGER/Line 2019 Shapefiles found on the United States Census Bureau's website at https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.2019.html. Boundaries should be used as general guidelines and not be considered precise. Note especially where county boundaries follow creeks, rivers, ridge lines and other natural features, and so are of much finer resolution than can be shown on Birdathon’s maps. California breeding bird atlas blocks come from the California Bird Atlas, https://www.californiabirdatlas.org. California Bird Atlas logo and breeding code descriptions used with permission.
IELTS Collocation PRO
Enhance your English vocabulary for IELTS exams by learning essential word pairings. This app focuses on collocations, which are crucial for achieving higher scores in both writing and speaking sections.
- Learn essential IELTS collocations
- Improve writing vocabulary
- Boost speaking fluency
- Offline access
- Understand collocation patterns
- Practice with example sentences
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● IELTS Collocation: Learning collocations are highly recommended - Some of the most important vocabulary needed for IELTS writing are collocations. These are essential when expanding your vocabulary. Basically, collocations are 2 or 3 words that commonly go together and sound just right to a native speaker. For some tips on building your vocabulary take a look at this application. - If you do not know how to use collocations then they will sound or look ‘wrong’ to a native speaker . ● Why are collocations so important? - In the marking criteria in IELTS, you are marked on Lexical Resource (vocabulary). You will be marked on the way you use collocations in the writing section, mainly essays. Here is what it says in the Public Band Descriptors about Writing task 2 Band 7 - Not only are collocations in IELTS important for writing, but they are useful in the speaking test also. They give your speech a smooth natural flow, which if used well, can help you get a Band 7 or more in the speaking test. You have to know how to use them correctly though. ● How do I learn collocations? - When you learn new words you must learn the surrounding words or the matching words that help it collocate. Do not just memorise words on their own. Collocations are like chunks of language and there are various patterns to these. - The best way to learn collocations is through reading, listening and making your own sentences. I advise making a vocabulary book where you write out example sentences. I do not advise making word lists because you must know how collocations work in the surrounding sentence. These also have to be reviewed regularly and put into practice. ● There are quite a few patterns such as: - Verb + Noun - Verb + Adverb - Adjective + Noun - Adverb + Adjective - Noun + Noun - Collocations with ‘have’ or ‘take’ The app is free and support OFFLINE. It'll perfect for English learner.
Screenshots
Verdict
The clearest difference is price: Birdathon at Free against IELTS Collocation PRO's $8.99. Birdathon also leads on review sentiment (100% vs 81%). IELTS Collocation PRO's advantage is ratings volume (662 vs 15) and iOS requirement (10.3 vs 16.1). On rating, update cadence, ads 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
Birdathon is free to download; IELTS Collocation PRO costs $8.99 up front. Birdathon sells 4 one-off in-app purchases and IELTS Collocation PRO sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Birdathon against 4.8 for IELTS Collocation PRO. That said, the two scores are not equally well evidenced: IELTS Collocation PRO has 662 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 100% of Birdathon's written reviews are positive against 81% of IELTS Collocation PRO's.
Birdathon ships an update every 4 months, IELTS Collocation PRO every 3 months. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.
| Parameter | Birdathon | IELTS Collocation PRO |
|---|---|---|
| Price | Free — better | $8.99 |
| Rating | 4.7 (15 ratings) | 4.8 (662 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 80.8% of reviews |
| Number of ratings | 15 | 662 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 10.3 — better |
| Further details — not scored | ||
| Size | 192 MB | 185 MB |
| Age rating | 4+ | 4+ |
| Developer | Barry Langdon-Lassagne | Nguyen Thi Hoai Thu |
Customer experience
Birdathon
IELTS Collocation PRO
Bugs and requests
Birdathon
Not enough reviews yet to summarise bugs or requests.
IELTS Collocation PRO
Reported bugs
6 issues- Radio feature not operational
- App non-functional without internet connection
- Premium version not recognized after update
- Ads continue to display for premium users
- Study Centre doesn't show correct answers for wrong responses
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- Cannot delete recents from app
Requested features
7 requests- Alphabetical categorization of words
- Word count numbering system
- Collocation examples for search terms
- Offline functionality
- Ability to delete recent search history
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- Dictionary integration
- Correct answer display in Study Centre tests
In-app purchases
Birdathon
- Good Tip$0.99
- Great Tip$1.99
- Amazing Tip$2.99
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- Incredible Tip$4.99
IELTS Collocation PRO
- Premium version$8.99







