# Spin vs Extended Rest Operations

The clearest difference is update cadence: Extended Rest Operations at every 3 weeks against Spin's every 3 months. Extended Rest Operations also leads on chart position (#178 vs unranked) and price ($0.99 vs $2.99). Spin's advantage is review sentiment (86% vs 74%) and iOS requirement (6.0 vs 15.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Spin costs $2.99 and Extended Rest Operations $0.99 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 4.4. Both are backed by a comparable volume of ratings — 44 and 65 respectively. Written reviews point the same way: 86% of Spin's written reviews are positive against 74% of Extended Rest Operations's.

Spin ships an update every 3 months, Extended Rest Operations every 3 weeks. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Spin | Extended Rest Operations |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[4.6 (44 ratings)](https://appshunter.io/ios/app/spin-a-wind/id327740080/reviews)** | [4.4 (65 ratings)](https://appshunter.io/ios/app/extended-rest-operations/id619262446/reviews) |
| Number of ratings | 44 | **65** |
| Positive reviews | **86.1% of reviews** | 73.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#178** |
| Size | 10 MB | 10 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Len Robinson](https://appshunter.io/developer/327740083) | [Santiago Borja Lopez](https://appshunter.io/developer/581569234) |

## 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


### Extended Rest Operations

[App page](https://appshunter.io/ios/app/extended-rest-operations/id619262446)

**Currently charting:** #178 Top Paid · Utilities (US App Store)

Easily calculate inflight rest periods for long-haul flights. Features multiple rest distribution options and flight data input methods. Includes a round-up feature for clear schedules and optional alarms for crew changes.

**Highlights:** Calculate inflight rest periods, Over 10 rest distributions, Multiple flight data input methods, Round-up feature for schedules, Wake-up alarms for crew changes

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

**In-app purchases:** none


## Frequently asked questions

### Is Spin free?

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

### Is Extended Rest Operations free?

Extended Rest Operations costs $0.99, with no in-app purchases.

### Which has better reviews, Spin or Extended Rest Operations?

Spin is rated higher. Spin averages 4.6 out of 5 from 44 ratings, while Extended Rest Operations averages 4.4 from 65 ratings.

### Do Spin or Extended Rest Operations have ads?

Neither Spin nor Extended Rest Operations shows ads.

### Which is updated more often, Spin or Extended Rest Operations?

Spin ships an update every 3 months, and Extended Rest Operations every 3 weeks. Most recently, Spin was updated on September 25, 2026 and Extended Rest Operations on September 24, 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.*