# CDBF vs BioApp

The clearest difference is price: BioApp at Free against CDBF's $14.99. BioApp also leads on update cadence (every 4 weeks vs every 4 months) and iOS requirement (14.0 vs 18.6). CDBF's advantage is in-app purchases (none vs 6) and review sentiment (75% vs 67%). On rating, ratings volume, ads and device support there is nothing between them.

BioApp is free to download; CDBF costs $14.99 up front. BioApp sells 6 in-app purchases, starting at $49.99 per month. CDBF asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for CDBF against 4.1 for BioApp. Both are backed by a comparable volume of ratings — 15 and 15 respectively. Written reviews are what separate them: 75% of CDBF's written reviews are positive against 67% of BioApp's.

CDBF ships an update every 4 months, BioApp every 4 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CDBF | BioApp |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [4.0 (15 ratings)](https://appshunter.io/ios/app/cdbf/id643697699/reviews) | **[4.1 (15 ratings)](https://appshunter.io/ios/app/bioapp-wetland-delineation/id1579117594/reviews)** |
| Number of ratings | 15 | 15 |
| Positive reviews | **75.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 20 MB | 222 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Chehuta](https://appshunter.io/developer/643697702) | [BioApp, LLC](https://appshunter.io/developer/1579117746) |

## What reviewers say

### CDBF

[App page](https://appshunter.io/ios/app/cdbf/id643697699)

Manage DBF files with this powerful viewer and editor. View file structures, statistics, and data with search and filter options. Edit records, create new files, and export data to various formats. Includes cloud storage integration and file sharing capabilities.

**Highlights:** View DBF file structure and statistics, Search and filter DBF data, Edit, append, insert, and delete records, Create new DBF files, Export to CSV, TXT, XLS, XLSX, SQLite, HTML, Dropbox integration for file management

**Features:** macOS Compatibility

**In-app purchases:** none


### BioApp

[App page](https://appshunter.io/ios/app/bioapp-wetland-delineation/id1579117594)

This tool assists wetland professionals in delineating wetlands and streams. It provides guidance, automatic calculations, and integrated photo and GPS data collection. Users can complete and export USACE forms to fillable PDFs, with offline data collection capabilities.

**Highlights:** Wetland and stream delineation, Built-in guidance, Automatic calculations, Integrated photo collection, GPS point/polygon data capture, USACE form completion and export, Offline data collection

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Stream Access | $49.99 | per month |
| Monthly Subscription | $74.99 | per month |
| Monthly Complete Access | $109.99 | per month |
| 6-Month Stream Access | $269.99 | per 6 months |
| Biannual Subscription | $399.99 | per 6 months |
| 6-Month Complete Access | $589.99 | per 6 months |


## Frequently asked questions

### Is CDBF free?

CDBF costs $14.99, with no in-app purchases.

### Is BioApp free?

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

### Which has better reviews, CDBF or BioApp?

BioApp is rated higher. CDBF averages 4.0 out of 5 from 15 ratings, while BioApp averages 4.1 from 15 ratings.

### Do CDBF or BioApp have ads?

Neither CDBF nor BioApp shows ads.

### Which is updated more often, CDBF or BioApp?

CDBF ships an update every 4 months, and BioApp every 4 weeks. Most recently, CDBF was updated on November 6, 2026 and BioApp on November 3, 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.*