# DBHamPlot vs Max Calc

The clearest difference is in-app purchases: DBHamPlot at none against Max Calc's 2. DBHamPlot also leads on iOS requirement (9.1 vs 17.0). Max Calc's advantage is update cadence (every 9 days vs every 42 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Max Calc sells 2 one-off in-app purchases. DBHamPlot asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DBHamPlot against 5.0 for Max Calc. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DBHamPlot ships an update every 42 months, Max Calc every 9 days. The most recent releases landed on September 8, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | DBHamPlot | Max Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/dbhamplot/id799430275/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/max-calc/id6463495098/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 12 MB | 8 MB |
| Requires iOS | **9.1** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Sullivan](https://appshunter.io/developer/307748713) | [Anatolii Mazkun](https://appshunter.io/developer/1697280298) |

## What reviewers say

### DBHamPlot

[App page](https://appshunter.io/ios/app/dbhamplot/id799430275)

Calculate distance and bearing between two locations using Maidenhead grid squares. This tool is designed for amateur radio operators to easily determine proximity and direction to other hams, featuring an interactive map for pinpointing locations and identifying grid areas.

**Highlights:** Compute distance and bearing, Maidenhead location input, Map display with annotations, Identify six-digit grid areas, Interactive map for location pinpointing, User-added annotation removal

**Features:** macOS Compatibility

**In-app purchases:** none


### Max Calc

[App page](https://appshunter.io/ios/app/max-calc/id6463495098)

This app offers a versatile calculation suite, combining standard, scientific, developer, and accounting functions. It also includes a unit converter and tools for health and date calculations, all within a user-friendly interface.

**Highlights:** Standard and Scientific Calculator, Developer Calculator (hex, binary), Accounting Calculator, 130+ Unit Converter, Body and Date/Time Calculator, History tracking, Customizable result formatting

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 days Free Using  All Premium | Free | one-time |
| Premium features | $4.99 | one-time |


## Frequently asked questions

### Is DBHamPlot free?

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

### Is Max Calc free?

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

### Which has better reviews, DBHamPlot or Max Calc?

DBHamPlot and Max Calc are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do DBHamPlot or Max Calc have ads?

Neither DBHamPlot nor Max Calc shows ads.

### Which is updated more often, DBHamPlot or Max Calc?

DBHamPlot ships an update every 42 months, and Max Calc every 9 days. Most recently, DBHamPlot was updated on September 8, 2026 and Max Calc on June 4, 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.*