# Simple Speedometer + vs What Plane?

The clearest difference is price: Simple Speedometer + at Free against What Plane?'s $6.99. Simple Speedometer + also leads on iOS requirement (16.0 vs 26.0). What Plane?'s advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 3 months). On review sentiment, ads and device support there is nothing between them.

Simple Speedometer + is free to download; What Plane? costs $6.99 up front. Simple Speedometer + sells 1 one-off in-app purchase. What Plane? asks for nothing beyond the download.

Simple Speedometer + ships an update every 3 months, What Plane? weekly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Simple Speedometer + | What Plane? |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/what-plane/id6759160117/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Subscription | **Paid** |
| Size | 3 MB | 45 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Bush](https://appshunter.io/developer/1569653616) | [David Wilkinson](https://appshunter.io/developer/1877100944) |

## What reviewers say

### Simple Speedometer +

[App page](https://appshunter.io/ios/app/simple-speedometer-plus/id1571057568)

This app displays your current speed with a large, clear interface that changes color based on your velocity. It offers customizable units and an accuracy indicator for precise readings.

**Highlights:** Large clear display, Accuracy display, Change units, Color-changing interface, Subscription plans

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $0.49 | one-time |


### What Plane?

[App page](https://appshunter.io/ios/app/what-plane/id6759160117)

Instantly identify aircraft overhead with this app. It offers a widget for quick glances and a live map for exploring nearby air traffic. View detailed information for planes within 30 nautical miles, with a unique compass ring for direction.

**Highlights:** Instant aircraft identification, Home Screen widget for quick access, Live map of nearby air traffic, Detailed aircraft information, Compass Ring bearing indicator, Customizable aircraft icons

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Speedometer + free?

Simple Speedometer + is free to download, with in-app purchases available.

### Is What Plane? free?

What Plane? costs $6.99, with no in-app purchases.

### Do Simple Speedometer + or What Plane? have ads?

Neither Simple Speedometer + nor What Plane? shows ads.

### Which is updated more often, Simple Speedometer + or What Plane??

Simple Speedometer + ships an update every 3 months, and What Plane? weekly. Most recently, Simple Speedometer + was updated on October 3, 2026 and What Plane? on October 2, 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.*