# Fieldwire vs Sling calculation | Rigging

The clearest difference is in-app purchases: Sling calculation | Rigging at none against Fieldwire's 1. Sling calculation | Rigging also leads on update cadence (daily vs every 2 weeks) and review sentiment (100% vs 85%). On price, ads and device support there is nothing between them.

Both are free to download. Fieldwire sells 1 one-off in-app purchase. Sling calculation | Rigging asks for nothing beyond the download.

Fieldwire ships an update every 2 weeks, Sling calculation | Rigging daily. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Fieldwire | Sling calculation | Rigging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (14K ratings)](https://appshunter.io/ios/app/fieldwire-construction-app/id780165517/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 84.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 263 MB | 18 MB |
| Requires iOS | 18.0 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hilti Fieldwire, Inc.](https://appshunter.io/developer/780165520) | [Daria Vasileva](https://appshunter.io/developer/1414873445) |

## What reviewers say

### Fieldwire

[App page](https://appshunter.io/ios/app/fieldwire-construction-app/id780165517)

This app streamlines construction project management for field teams. It offers fast blueprint viewing, task management, RFI tracking, and punch list creation, all accessible offline. It aims to improve efficiency and communication on job sites.

**Highlights:** Fast HD plan viewer (offline), Task management, RFI tracking, Punch list creation, Construction forms, Progress photos

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Fieldwire Subscription | $499.99 | one-time |

**What reviewers like**

- 🚀 Great mobile version
- 👍 Productive interface
- 👍 Ease of use
- 👍 Helpful for project management
- 👍 Intuitive

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔋 Battery drain
- 👎 Limited photo upload options
- 👎 Microphone control issues
- 👎 Inconsistent marker placement

**Reported bugs**

- Login issues
- Incompatibility with older devices
- Inconsistent marker placement on plans
- Microphone control issues during photo uploads

**Requested features**

- Ability to upload more photos at once
- Improved photo editing and markup tools
- Text-fillable task options
- PDF export with attachments
- Individual project chat function


### Sling calculation | Rigging

[App page](https://appshunter.io/ios/app/sling-calculation-rigging/id1520484769)

This tool calculates sling angles and sizes based on user-defined parameters. It also supports reverse calculations, allowing adjustments to sling size or attachment point distance to achieve a desired angle.

**Highlights:** Calculate sling angles, Determine sling sizes, Reverse angle calculation, Adjust sling size, Modify attachment point distance

**In-app purchases:** none


## Frequently asked questions

### Is Fieldwire free?

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

### Is Sling calculation | Rigging free?

Sling calculation | Rigging is free to download, with no in-app purchases.

### Do Fieldwire or Sling calculation | Rigging have ads?

Neither Fieldwire nor Sling calculation | Rigging shows ads.

### Which is updated more often, Fieldwire or Sling calculation | Rigging?

Fieldwire ships an update every 2 weeks, and Sling calculation | Rigging daily. Most recently, Fieldwire was updated on October 15, 2026 and Sling calculation | Rigging on October 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.*