# Bird Code Lookup vs Asthma Symptom Journal

The clearest difference is in-app purchases: Bird Code Lookup at none against Asthma Symptom Journal's 2. Bird Code Lookup also leads on iOS requirement (18.0 vs 26.2). Asthma Symptom Journal's advantage is update cadence (monthly vs every 40 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Asthma Symptom Journal sells 2 in-app purchases, starting at $4.99 per month. Bird Code Lookup asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Bird Code Lookup against 5.0 for Asthma Symptom Journal. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Bird Code Lookup ships an update every 40 months, Asthma Symptom Journal monthly. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Bird Code Lookup | Asthma Symptom Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bird-code-lookup/id1613972286/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/asthma-symptom-journal/id6759147853/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 212 MB | 102 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [PVI Maine LLC](https://appshunter.io/developer/384927995) | [Zeus Innovations LLC](https://appshunter.io/developer/1478140304) |

## What reviewers say

### Bird Code Lookup

[App page](https://appshunter.io/ios/app/bird-code-lookup/id1613972286)

Instantly translate four-letter and six-letter bird codes into common and scientific bird names. This app helps birders, banders, and ornithologists quickly identify species from abbreviations used in field notes.

**Highlights:** Convert 4-letter codes to common bird names, Convert common bird names to 4-letter codes, Convert 6-letter codes to scientific bird names, Convert scientific bird names to 6-letter codes, Includes 2,431 bird species from the 2024 AOU Supplement

**Features:** macOS Compatibility

**In-app purchases:** none


### Asthma Symptom Journal

[App page](https://appshunter.io/ios/app/asthma-symptom-journal/id6759147853)

Easily track your asthma symptoms and inhaler usage with this focused journaling app. Gain insights into patterns and triggers with simple daily check-ins and clear summaries. Access educational content designed by physicians to help you understand your condition better.

**Highlights:** Daily symptom logging, Inhaler use tracking, Weekly and monthly summaries, Physician-created educational videos, One-tap daily check-ins, Optional medication logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $24.99 | per year |


## Frequently asked questions

### Is Bird Code Lookup free?

Bird Code Lookup is free to download, with no in-app purchases.

### Is Asthma Symptom Journal free?

Asthma Symptom Journal is free to download, with in-app purchases available.

### Which has better reviews, Bird Code Lookup or Asthma Symptom Journal?

Bird Code Lookup and Asthma Symptom Journal are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Bird Code Lookup or Asthma Symptom Journal have ads?

Neither Bird Code Lookup nor Asthma Symptom Journal shows ads.

### Which is updated more often, Bird Code Lookup or Asthma Symptom Journal?

Bird Code Lookup ships an update every 40 months, and Asthma Symptom Journal monthly. Most recently, Bird Code Lookup was updated on October 21, 2026 and Asthma Symptom Journal on October 11, 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.*