# RBDMS WellFinder vs Ert Replace

The clearest difference is rating: Ert Replace at 5.0 against RBDMS WellFinder's 3.3. Ert Replace also leads on update cadence (every 5 days vs every 4 months). RBDMS WellFinder's advantage is ratings volume (23 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Ert Replace holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: RBDMS WellFinder has 23 ratings behind it against 1, so its average is the more settled of the two.

RBDMS WellFinder ships an update every 4 months, Ert Replace every 5 days. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RBDMS WellFinder | Ert Replace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (23 ratings)](https://appshunter.io/ios/app/rbdms-wellfinder/id972680525/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ert-replace/id6744559355/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 47 MB | 2 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ground Water Protection Council](https://appshunter.io/developer/1012982477) | [R.L. Laughlin & Company, Inc.](https://appshunter.io/developer/1438670681) |

## What reviewers say

### RBDMS WellFinder

[App page](https://appshunter.io/ios/app/rbdms-wellfinder/id972680525)

Locate and view detailed information about various types of wells, including permit numbers, status, operator contacts, and production data. Access trusted data from a system used by over twenty regulatory agencies nationwide.

**Highlights:** Locate wells, View well type and status, Access operator contact information, See production data, Find regulatory contacts, Trusted data source

**In-app purchases:** none


### Ert Replace

[App page](https://appshunter.io/ios/app/ert-replace/id6744559355)

This app helps track and submit information for the replacement of ERT devices. It is designed for utilities to manage device updates efficiently.

**Highlights:** Tracks ERT device replacements, Submits replacement information, Designed for utility use, Manages device updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RBDMS WellFinder free?

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

### Is Ert Replace free?

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

### Which has better reviews, RBDMS WellFinder or Ert Replace?

Ert Replace is rated higher. RBDMS WellFinder averages 3.3 out of 5 from 23 ratings, while Ert Replace averages 5.0 from 1 ratings.

### Do RBDMS WellFinder or Ert Replace have ads?

Neither RBDMS WellFinder nor Ert Replace shows ads.

### Which is updated more often, RBDMS WellFinder or Ert Replace?

RBDMS WellFinder ships an update every 4 months, and Ert Replace every 5 days. Most recently, RBDMS WellFinder was updated on October 2, 2026 and Ert Replace on October 12, 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.*