# P3 Flight Time Calculator vs InStash

The clearest difference is update cadence: InStash at every 4 months against P3 Flight Time Calculator's every 9 months. InStash also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

P3 Flight Time Calculator ships an update every 9 months, InStash every 4 months. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | P3 Flight Time Calculator | InStash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/p3-flight-time-calculator/id1460287401/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 2 MB | 34 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Boyd](https://appshunter.io/developer/1460287400) | [yifan z](https://appshunter.io/developer/1865765499) |

## What reviewers say

### P3 Flight Time Calculator

[App page](https://appshunter.io/ios/app/p3-flight-time-calculator/id1460287401)

This utility helps P-3 pilots accurately log their flight time for official yellow sheets. It automatically splits total flight duration into Pilot in Command (PIC), Second in Command (SIC), and Crew time for up to three pilots.

**Highlights:** Calculates PIC/SIC flight time, Splits total flight time for three pilots, Logs PIC, SIC, and Crew time, Designed for P-3 pilot yellow sheets

**Features:** macOS Compatibility

**In-app purchases:** none


### InStash

[App page](https://appshunter.io/ios/app/instash/id6757969574)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is P3 Flight Time Calculator free?

P3 Flight Time Calculator is free to download, with no in-app purchases.

### Is InStash free?

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

### Do P3 Flight Time Calculator or InStash have ads?

Neither P3 Flight Time Calculator nor InStash shows ads.

### Which is updated more often, P3 Flight Time Calculator or InStash?

P3 Flight Time Calculator ships an update every 9 months, and InStash every 4 months. Most recently, P3 Flight Time Calculator was updated on October 19, 2026 and InStash on October 6, 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.*