# Water Well Logger vs Control AMI

The clearest difference is in-app purchases: Control AMI at none against Water Well Logger's 1. Water Well Logger's advantage is update cadence (every 4 months vs every 51 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Water Well Logger sells 1 in-app purchase, starting at $199.99 per year. Control AMI asks for nothing beyond the download.

Water Well Logger ships an update every 4 months, Control AMI every 51 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Water Well Logger | Control AMI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/water-well-logger/id1454047003/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 51 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 0 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Well Logging Solutions, LLC](https://appshunter.io/developer/1606249988) | [AMI Global](https://appshunter.io/developer/1290651515) |

## What reviewers say

### Water Well Logger

[App page](https://appshunter.io/ios/app/water-well-logger/id1454047003)

This app helps water well drillers in Mississippi access state well data and submit new well logs to the MS Department of Environmental Quality. It streamlines the process of finding existing well information and reporting new ones.

**Highlights:** Access state well data, Submit new well logs, Mississippi specific data, Efficient data submission, Streamlined well information

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Well Logger Subscription | $199.99 | per year |


### Control AMI

[App page](https://appshunter.io/ios/app/control-ami/id1495172088)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Water Well Logger free?

Water Well Logger is free to download, with in-app purchases available.

### Is Control AMI free?

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

### Do Water Well Logger or Control AMI have ads?

Neither Water Well Logger nor Control AMI shows ads.

### Which is updated more often, Water Well Logger or Control AMI?

Water Well Logger ships an update every 4 months, and Control AMI every 51 months. Most recently, Water Well Logger was updated on November 2, 2026 and Control AMI 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.*