# CSIA vs ProField

The clearest difference is in-app purchases: CSIA at none against ProField's 10. ProField's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ProField sells 10 in-app purchases, starting at $28.99 per month. CSIA asks for nothing beyond the download.

CSIA ships an update every 4 months, ProField every 2 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CSIA | ProField |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/profield/id6760933243/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 37 MB | 44 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Chimney Safety Institute of America](https://appshunter.io/developer/1478917352) | [RLHF Labs LLC](https://appshunter.io/developer/1886901709) |

## What reviewers say

### CSIA

[App page](https://appshunter.io/ios/app/csia/id1478917353)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProField

[App page](https://appshunter.io/ios/app/profield/id6760933243)

Streamline field service operations by creating professional inspection reports, managing customer data, and generating invoices directly from your mobile device. Capture job details, photos, and customer signatures to deliver clear, organized documentation.

**Highlights:** Create detailed inspection reports, Capture photos and customer signatures, Manage customer and job history, Generate invoices and estimates, AI-assisted report narratives, Offline-friendly workflow, Web dashboard for management

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProField Monthly | $28.99 | per month |
| +2 Technician Seats | $28.99 | per month |
| +2 Locations | $28.99 | per month |
| +3 Technician Seats | $42.99 | per month |
| +3 Locations | $42.99 | per month |
| +5 Technician Seats | $71.99 | per month |
| +5 Locations | $71.99 | per month |
| +10 Technician Seats | $142.99 | per month |
| +10 Locations | $142.99 | per month |
| Business Pack — 150 credits | $28.99 | one-time |


## Frequently asked questions

### Is CSIA free?

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

### Is ProField free?

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

### Do CSIA or ProField have ads?

Neither CSIA nor ProField shows ads.

### Which is updated more often, CSIA or ProField?

CSIA ships an update every 4 months, and ProField every 2 weeks. Most recently, CSIA was updated on September 18, 2026 and ProField on September 9, 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.*