# Birdathon vs 多次元雅思

The clearest difference is update cadence: 多次元雅思 at every 5 days against Birdathon's every 4 months. 多次元雅思 also leads on rating (5.0 vs 4.7). Birdathon's advantage is monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Birdathon sells 4 one-off in-app purchases and 多次元雅思 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

多次元雅思 holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 15 and 21 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Birdathon ships an update every 4 months, 多次元雅思 every 5 days. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Birdathon | 多次元雅思 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/birdathon/id1211977440/reviews) | **[5.0 (21 ratings)](https://appshunter.io/ios/app/id6446015800/reviews)** |
| Number of ratings | 15 | **21** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 192 MB | 443 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [湖南多次元网络科技有限公司](https://appshunter.io/developer/1659989429) |

## What reviewers say

### Birdathon

[App page](https://appshunter.io/ios/app/birdathon/id1211977440)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Good Tip | $0.99 | one-time |
| Great Tip | $1.99 | one-time |
| Amazing Tip | $2.99 | one-time |
| Incredible Tip | $4.99 | one-time |


### 多次元雅思

[App page](https://appshunter.io/ios/app/id6446015800)

This comprehensive tool offers a complete set of IELTS practice tests and preparation strategies. It features AI-powered listening and speaking practice, online assessments, and extensive study materials to help users improve their scores.

**Highlights:** IELTS practice tests (Reading, Listening, Speaking, Writing), AI-powered listening and speaking practice, Online assessment for skill evaluation, High-score model answers and strategies, Extensive study materials and exam tips, Cloud sync and offline practice

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $9.99 | one-time |
| 季会员 | $24.99 | one-time |
| 年会员 | $89.99 | one-time |


## Frequently asked questions

### Is Birdathon free?

Birdathon is free to download, with in-app purchases available.

### Is 多次元雅思 free?

多次元雅思 is free to download, with in-app purchases available.

### Which has better reviews, Birdathon or 多次元雅思?

多次元雅思 is rated higher. Birdathon averages 4.7 out of 5 from 15 ratings, while 多次元雅思 averages 5.0 from 21 ratings.

### Do Birdathon or 多次元雅思 have ads?

Neither Birdathon nor 多次元雅思 shows ads.

### Which is updated more often, Birdathon or 多次元雅思?

Birdathon ships an update every 4 months, and 多次元雅思 every 5 days. Most recently, Birdathon was updated on September 19, 2026 and 多次元雅思 on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*