# Birds Complete Reference Guide vs U Convert

The clearest difference is in-app purchases: U Convert at none against Birds Complete Reference Guide's 1. U Convert also leads on ads (none vs shown). Birds Complete Reference Guide's advantage is iOS requirement (12.0 vs 15.5). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Birds Complete Reference Guide sells 1 one-off in-app purchase. U Convert asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Birds Complete Reference Guide against 5.0 for U Convert. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Birds Complete Reference Guide | U Convert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/birds-complete-reference-guide/id1363773995/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/u-convert/id1636458843/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 171 MB | 27 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Faisal Akhtar](https://appshunter.io/developer/1783643697) | [Syed Bukhari](https://appshunter.io/developer/1636458845) |

## What reviewers say

### Birds Complete Reference Guide

[App page](https://appshunter.io/ios/app/birds-complete-reference-guide/id1363773995)

Explore a comprehensive guide to over 11,400 bird species, featuring high-quality songs, calls, and detailed information. Organize your findings with personal lists and access external resources like Wikipedia for deeper insights. This app helps you manage and learn about birds both online and offline.

**Highlights:** 11,400+ bird species coverage, High-quality bird songs and calls, Offline access to bird data, Search by English or Scientific name, Personalized favorite and finding lists, Links to Wikipedia, Avibase, and Ebird

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $0.99 | one-time |


### U Convert

[App page](https://appshunter.io/ios/app/u-convert/id1636458843)

This app provides a comprehensive suite of tools for converting various units of measurement. It's designed for students, educators, and professionals needing quick and accurate conversions across numerous categories like length, mass, and temperature.

**Highlights:** Multiple conversion categories, Sleek, modern design, Extensive unit selection, Essential for education and business, Accurate conversions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Birds Complete Reference Guide free?

Birds Complete Reference Guide is free to download, with in-app purchases available.

### Is U Convert free?

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

### Which has better reviews, Birds Complete Reference Guide or U Convert?

Birds Complete Reference Guide and U Convert are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Birds Complete Reference Guide or U Convert have ads?

Birds Complete Reference Guide shows ads; U Convert does not.

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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.*