# HAM Distance vs Sensor Play

The clearest difference is review sentiment: Sensor Play at 84% against HAM Distance's 0%. Sensor Play also leads on in-app purchases (none vs 3) and update cadence (every 2 months vs every 12 months). HAM Distance's advantage is price (Free vs $14.99). On ads, monetization model and device support there is nothing between them.

HAM Distance is free to download; Sensor Play costs $14.99 up front. HAM Distance sells 3 one-off in-app purchases. Sensor Play asks for nothing beyond the download.

HAM Distance ships an update every 12 months, Sensor Play every 2 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | HAM Distance | Sensor Play |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[4.7 (61 ratings)](https://appshunter.io/ios/app/sensor-play-data-recorder/id921385514/reviews)** |
| Number of ratings | — | **61** |
| Positive reviews | 0.0% of reviews | **83.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 2 MB | 16 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mircules](https://appshunter.io/developer/595659821) | [Philip Broder](https://appshunter.io/developer/921385513) |

## What reviewers say

### HAM Distance

[App page](https://appshunter.io/ios/app/ham-distance-grid-and-callsign/id627422998)

Calculate distances between amateur radio stations using callsigns, grid locators, or coordinates. Save, visualize, and analyze your contacts with interactive maps and statistics. Syncs across devices via iCloud.

**Highlights:** Distance calculation via callsign, grid, or coordinates, Save and label distance pairs, Interactive map visualization of contacts, Contact statistics and distribution charts, iCloud sync across devices, Home screen widgets for quick access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |


### Sensor Play

[App page](https://appshunter.io/ios/app/sensor-play-data-recorder/id921385514)

Record and analyze data from your iPhone's built-in sensors, including accelerometer, gyroscope, and GPS. Automate recordings with triggers and export data for scientific or engineering analysis.

**Highlights:** Record accelerometer, gyroscope, GPS, barometer, magnetometer data, Background recording up to six hours, Automated recording triggers (delay, GPS region, g-force), Export data to CSV for analysis, In-app viewer for sensor recordings, Real-time sensor data visualization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HAM Distance free?

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

### Is Sensor Play free?

Sensor Play costs $14.99, with no in-app purchases.

### Do HAM Distance or Sensor Play have ads?

Neither HAM Distance nor Sensor Play shows ads.

### Which is updated more often, HAM Distance or Sensor Play?

HAM Distance ships an update every 12 months, and Sensor Play every 2 months. Most recently, HAM Distance was updated on October 26, 2026 and Sensor Play on October 29, 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.*