# 百鸟记 vs BirdTrace

The clearest difference is update cadence: 百鸟记 at every 2 days against BirdTrace's every 9 days. 百鸟记 also leads on iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 百鸟记 against 5.0 for BirdTrace. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

百鸟记 ships an update every 2 days, BirdTrace every 9 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 百鸟记 | BirdTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6745452409/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/birdtrace/id6784076225/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free | Free |
| Size | 54 MB | 233 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [逸群 赵](https://appshunter.io/developer/1623049689) | [晓宇 沈](https://appshunter.io/developer/6784057413) |

## What reviewers say

### 百鸟记

[App page](https://appshunter.io/ios/app/id6745452409)

This app helps users learn to identify bird species through a structured curriculum, incorporating memory algorithms and multiple-choice quizzes. It covers 1500 bird species with detailed information and sounds, organized by geographical regions.

**Highlights:** Systematic bird identification learning, Advanced memory algorithms, Multiple-choice quizzes, 1500 bird species coverage, High-definition photos and sounds, Geographically organized courses

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

**In-app purchases:** none


### BirdTrace

[App page](https://appshunter.io/ios/app/birdtrace/id6784076225)

Identify birds by sight or sound using on-device AI. Keep personal sighting records and explore bird migration, conservation, and cultural stories. Features offline sound identification and AR recognition.

**Highlights:** On-device AI bird identification, Offline sound recognition, AR bird identification (Beta), Photo library bird identification, Global BirdDex with 11,171 entries, 52-week migration atlas, Bilingual cultural stories

**In-app purchases:** none


## Frequently asked questions

### Is 百鸟记 free?

百鸟记 is free to download, with no in-app purchases.

### Is BirdTrace free?

BirdTrace is free to download, with no in-app purchases.

### Which has better reviews, 百鸟记 or BirdTrace?

百鸟记 and BirdTrace are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do 百鸟记 or BirdTrace have ads?

Neither 百鸟记 nor BirdTrace shows ads.

### Which is updated more often, 百鸟记 or BirdTrace?

百鸟记 ships an update every 2 days, and BirdTrace every 9 days. Most recently, 百鸟记 was updated on November 9, 2026 and BirdTrace on November 13, 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.*