# Boiler Tracker vs Scaffold Inspection System

The clearest difference is update cadence: Boiler Tracker at daily against Scaffold Inspection System's every 3 months. Boiler Tracker also leads on iOS requirement (11.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Boiler Tracker ships an update daily, Scaffold Inspection System every 3 months. Both last shipped on September 9, 2026.

## The numbers

| Metric | Boiler Tracker | Scaffold Inspection System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Size | 53 MB | 2 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Arrow Energy Company Limited](https://appshunter.io/developer/1592888444) | [EXIGA SOFTWARE SOLUTIONS PTE LTD](https://appshunter.io/developer/1841067144) |

## What reviewers say

### Boiler Tracker

[App page](https://appshunter.io/ios/app/boiler-tracker/id6468994522)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scaffold Inspection System

[App page](https://appshunter.io/ios/app/scaffold-inspection-system/id6759262612)

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

**In-app purchases:** none


## Frequently asked questions

### Is Boiler Tracker free?

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

### Is Scaffold Inspection System free?

Scaffold Inspection System is free to download, with no in-app purchases.

### Do Boiler Tracker or Scaffold Inspection System have ads?

Neither Boiler Tracker nor Scaffold Inspection System shows ads.

### Which is updated more often, Boiler Tracker or Scaffold Inspection System?

Boiler Tracker ships an update daily, and Scaffold Inspection System every 3 months. Most recently, Boiler Tracker was updated on September 9, 2026 and Scaffold Inspection System 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.*