# Solid Sales Pro™ vs PartFive

The clearest difference is in-app purchases: Solid Sales Pro™ at none against PartFive's 2. Solid Sales Pro™ also leads on iOS requirement (12.2 vs 17.0). PartFive's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PartFive sells 2 in-app purchases, starting at $4.99 per month. Solid Sales Pro™ asks for nothing beyond the download.

Solid Sales Pro™ ships an update every 2 months, PartFive every 3 days. The most recent releases landed on September 28, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Solid Sales Pro™ | PartFive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/partfive-flight-instructor/id6787193149/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 123 MB | 32 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solid Innovation Systems Inc.](https://appshunter.io/developer/1209552105) | [PartFive LLC](https://appshunter.io/developer/6787193151) |

## What reviewers say

### Solid Sales Pro™

[App page](https://appshunter.io/ios/app/solid-sales-pro/id1639403505)

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

**In-app purchases:** none


### PartFive

[App page](https://appshunter.io/ios/app/partfive-flight-instructor/id6787193149)

This app helps independent flight instructors manage their entire business, from student progress tracking and lesson planning to scheduling, payments, and communication. It offers tools for logging flights, issuing endorsements, and conducting preflight risk assessments, all in a user-friendly interface designed for aviation professionals.

**Highlights:** Student progress tracking, Digital logbook, Endorsement management, Lesson plan creation, Preflight risk assessment (PAVE), Scheduling and payment processing, In-app messaging and document sharing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PartFive Premium Monthly | $4.99 | per month |
| PartFive Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Solid Sales Pro™ free?

Solid Sales Pro™ is free to download, with no in-app purchases.

### Is PartFive free?

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

### Do Solid Sales Pro™ or PartFive have ads?

Neither Solid Sales Pro™ nor PartFive shows ads.

### Which is updated more often, Solid Sales Pro™ or PartFive?

Solid Sales Pro™ ships an update every 2 months, and PartFive every 3 days. Most recently, Solid Sales Pro™ was updated on September 28, 2026 and PartFive on October 28, 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.*