# Plane Identifier vs BirdTrace

The clearest difference is in-app purchases: BirdTrace at none against Plane Identifier's 2. BirdTrace also leads on update cadence (every 2 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Plane Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. BirdTrace asks for nothing beyond the download.

Plane Identifier ships an update every 8 months, BirdTrace every 2 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Plane Identifier | BirdTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birdtrace/id6784076225/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 213 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EEEY SpA](https://appshunter.io/developer/1825469428) | [晓宇 沈](https://appshunter.io/developer/6784057413) |

## What reviewers say

### Plane Identifier

[App page](https://appshunter.io/ios/app/plane-identifier-whatplane/id6751378075)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhatPlane Weekly | $4.99 | per 7 days |
| WhatPlane Yearly | $19.99 | per year |


### BirdTrace

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

This app helps you identify birds from photos, explore detailed species information, and keep a personal record of your sightings. It features a global bird database, offline identification capabilities, and conservation status for species in China.

**Highlights:** Offline bird identification from photos, Global bird database with 11,171 species, Bilingual (Chinese/English) species encyclopedia, Record and collect bird sightings, Conservation status for Chinese species, Unlock achievements for bird discoveries

**In-app purchases:** none


## Frequently asked questions

### Is Plane Identifier free?

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

### Is BirdTrace free?

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

### Do Plane Identifier or BirdTrace have ads?

Neither Plane Identifier nor BirdTrace shows ads.

### Which is updated more often, Plane Identifier or BirdTrace?

Plane Identifier ships an update every 8 months, and BirdTrace every 2 weeks. Most recently, Plane Identifier was updated on September 22, 2026 and BirdTrace on September 19, 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.*