# Checker | Software for Trades vs BoilerFix AI

The clearest difference is monetization model: Checker | Software for Trades at free with in-app purchases against BoilerFix AI's subscription. Checker | Software for Trades also leads on update cadence (weekly vs every 3 months). BoilerFix AI's advantage is review sentiment (100% vs 80%) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Checker | Software for Trades sells 1 in-app purchase, starting at $12.99 per month and BoilerFix AI sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Checker | Software for Trades ships an update weekly, BoilerFix AI every 3 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Checker | Software for Trades | BoilerFix AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 123 MB | 7 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [GasSoft limited](https://appshunter.io/developer/523576972) | [Stephen Bird](https://appshunter.io/developer/1896013981) |

## What reviewers say

### Checker | Software for Trades

[App page](https://appshunter.io/ios/app/checker-software-for-trades/id6741867316)

This app streamlines daily tasks for tradespeople by generating professional PDF reports, invoices, and quotes. It includes a CRM, service reminders, and cloud syncing for seamless job management across devices. Works offline and integrates with accounting software.

**Highlights:** Generate PDF certificates and reports, Create invoices and quotes, Built-in CRM for customer management, Automated service reminders, Cloud syncing across devices, Offline functionality, Integrates with accounting software

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Checker Monthly Lite | $12.99 | per month |


### BoilerFix AI

[App page](https://appshunter.io/ios/app/boilerfix-ai/id6765623181)

A comprehensive mobile toolkit designed for UK Gas Safe registered heating engineers. It consolidates fault code databases, control guides, AI diagnostics, customer management, and administrative tools into a single, offline-capable application.

**Highlights:** Fault Code Database (12 manufacturers), AI Diagnostic Assistant, Boiler Passport (QR-linked service history), Customer Hub & Job Calendar, CP12 Certificates generation, Invoicing & Bookkeeping, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BoilerFix AI Basic | $3.99 | per month |
| BoilerFix AI Pro | $5.99 | per month |


## Frequently asked questions

### Is Checker | Software for Trades free?

Checker | Software for Trades is free to download, with in-app purchases available.

### Is BoilerFix AI free?

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

### Do Checker | Software for Trades or BoilerFix AI have ads?

Neither Checker | Software for Trades nor BoilerFix AI shows ads.

### Which is updated more often, Checker | Software for Trades or BoilerFix AI?

Checker | Software for Trades ships an update weekly, and BoilerFix AI every 3 months. Most recently, Checker | Software for Trades was updated on November 4, 2026 and BoilerFix AI on October 31, 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.*