# Spin vs Doubling Back

The clearest difference is price: Doubling Back at Free against Spin's $2.99. Spin's advantage is rating (4.6 vs 3.7) and update cadence (every 3 months vs every 13 months). On ads, in-app purchases and device support there is nothing between them.

Doubling Back is free to download; Spin costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spin holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Spin has 44 ratings behind it against 3, so its average is the more settled of the two.

Spin ships an update every 3 months, Doubling Back every 13 months. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Spin | Doubling Back |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (44 ratings)](https://appshunter.io/ios/app/spin-a-wind/id327740080/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/doubling-back/id1217167960/reviews) |
| Number of ratings | **44** | 3 |
| Positive reviews | 86.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Paid | **Free** |
| Size | 10 MB | 9 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Len Robinson](https://appshunter.io/developer/327740083) | [Terry NIGHTINGALE](https://appshunter.io/developer/1217167959) |

## What reviewers say

### Spin

[App page](https://appshunter.io/ios/app/spin-a-wind/id327740080)

Calculate critical aviation weather data including wind components, temperature conversions, altitude calculations, and airspeed. Designed for pilots with an intuitive, one-handed interface and instant results.

**Highlights:** Wind component calculation (headwind, tailwind, crosswind), Temperature conversions and wind chill factor, Altitude calculations (pressure, density), Airspeed calculator (TAS, Mach, speed of sound), Customizable units and caution thresholds, One-handed, reel-based interface

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

**In-app purchases:** none


### Doubling Back

[App page](https://appshunter.io/ios/app/doubling-back/id1217167960)

This utility app allows you to precisely measure walking or running distances. You can start and stop tracking at any point, and it calculates the total distance covered only during the measured segments.

**Highlights:** Measure walking/running distance, Start and stop measurement, Calculate distance for selected portions, iPhone and iPad compatible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spin free?

Spin costs $2.99, with no in-app purchases.

### Is Doubling Back free?

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

### Which has better reviews, Spin or Doubling Back?

Spin is rated higher. Spin averages 4.6 out of 5 from 44 ratings, while Doubling Back averages 3.7 from 3 ratings.

### Do Spin or Doubling Back have ads?

Neither Spin nor Doubling Back shows ads.

### Which is updated more often, Spin or Doubling Back?

Spin ships an update every 3 months, and Doubling Back every 13 months. Most recently, Spin was updated on September 25, 2026 and Doubling Back on September 18, 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.*