# HAM vs GridCalc

The clearest difference is rating: GridCalc at 5.0 against HAM's 4.0. GridCalc also leads on review sentiment (100% vs 69%) and update cadence (every 4 days vs monthly). HAM's advantage is chart position (#150 vs unranked) and ratings volume (7 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

HAM costs $14.99 and GridCalc $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GridCalc holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 69% of HAM's written reviews are positive against 100% of GridCalc's.

HAM ships an update monthly, GridCalc every 4 days. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HAM | GridCalc |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | [4.0 (7 ratings)](https://appshunter.io/ios/app/ham-toolbox/id1630108109/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gridcalc/id6759011187/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 69.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#150** | — |
| Size | 83 MB | 5 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [ALAN WILLIAM DIPERT](https://appshunter.io/developer/1875969414) |

## What reviewers say

### HAM

[App page](https://appshunter.io/ios/app/ham-toolbox/id1630108109)

**Currently charting:** #150 Top Paid · Utilities (US App Store)

This utility app offers a comprehensive suite of tools for amateur radio operators, including band conditions, DX-Cluster monitoring, and a logbook. It features direct radio integration for tuning and automatic logging, along with various calculations and resource information.

**Highlights:** DX-Cluster and PSK-Reporter activity monitoring, Bandplan, Glossar, and AWG resource information, Built-in radio integration for direct tuning, Fully featured logbook with QSO editing, LOTW and QRZ.com log submission, Calculations for Ohm's law, VSWR, and antennas, CW Encoder and Decoder

**Features:** Vision Pro support

**In-app purchases:** none


### GridCalc

[App page](https://appshunter.io/ios/app/gridcalc/id6759011187)

This calculator app uses a grid interface to visualize every step of your calculations. It combines Reverse Polish Notation with a structured grid, allowing you to reference previous cells and see immediate recalculations when inputs change. Ideal for detailed, ad-hoc modeling on mobile.

**Highlights:** Visible grid for calculations, Reverse Polish Notation (RPN), Incremental number entry, Reference prior cells, Immediate recalculation on input change, Structured problem solving

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HAM free?

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

### Is GridCalc free?

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

### Which has better reviews, HAM or GridCalc?

GridCalc is rated higher. HAM averages 4.0 out of 5 from 7 ratings, while GridCalc averages 5.0 from 2 ratings.

### Do HAM or GridCalc have ads?

Neither HAM nor GridCalc shows ads.

### Which is updated more often, HAM or GridCalc?

HAM ships an update monthly, and GridCalc every 4 days. Most recently, HAM was updated on October 5, 2026 and GridCalc on October 1, 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.*