# PrivOS vs FieldDocs Field Service App

The clearest difference is in-app purchases: PrivOS at none against FieldDocs Field Service App's 7. PrivOS also leads on update cadence (every 10 days vs every 3 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. FieldDocs Field Service App sells 7 in-app purchases, starting at $15.99 per month. PrivOS asks for nothing beyond the download.

PrivOS ships an update every 10 days, FieldDocs Field Service App every 3 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | PrivOS | FieldDocs Field Service App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fielddocs-field-service-app/id6759830552/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 123 MB | 93 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ROXANE INC](https://appshunter.io/developer/6805370199) | [Cytrix Technologies LLC](https://appshunter.io/developer/1851862950) |

## What reviewers say

### PrivOS

[App page](https://appshunter.io/ios/app/privos/id6758644152)

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

**In-app purchases:** none


### FieldDocs Field Service App

[App page](https://appshunter.io/ios/app/fielddocs-field-service-app/id6759830552)

Streamline your field service business from lead capture to payment. Manage estimates, invoices, appointments, and customer communication all in one place. Get paid faster with online payment options and a branded client portal.

**Highlights:** Lead capture via public request page, Estimates and invoices with branding, Client portal for approvals and payments, Job documentation and proof photos, Scheduling and reminders, Sync across devices

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldDocs Pro | $15.99 | per month |
| Monthly 39.99 | $39.99 | per month |
| Monthly 59.99 | $59.99 | per month |
| FieldDocs Pro | $149.00 | per year |
| FieldDocs Crew Monthly | $249.99 | per month |
| Yearly 399.99 | $399.99 | per year |
| Yearly 599.99 | $599.99 | per year |


## Frequently asked questions

### Is PrivOS free?

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

### Is FieldDocs Field Service App free?

FieldDocs Field Service App is free to download, with in-app purchases available.

### Do PrivOS or FieldDocs Field Service App have ads?

Neither PrivOS nor FieldDocs Field Service App shows ads.

### Which is updated more often, PrivOS or FieldDocs Field Service App?

PrivOS ships an update every 10 days, and FieldDocs Field Service App every 3 weeks. Most recently, PrivOS was updated on September 23, 2026 and FieldDocs Field Service App on September 23, 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.*