IUOE 520 vs Ironworkers 378
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IUOE 520
This app provides union members with easy access to important information about their benefits, news, and contract updates. Members can also find details on training, discounts, and provide feedback directly to the union.
- General news and updates
- Contract-specific information
- Fringe benefits details
- Training and course listings
- Union member discounts
- Membership feedback surveys
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The IUOE 520 mobile app is designed for our Members. This app is to be used as a tool to better understand the benefits available to our Members. Items Included: - General News, Newsletters & Updates from IUOE 520 - Contract Specific Updates & Events - Fringe Benefits Information - Training and Course Information - Union Discounts for Our Members - Membership Feedback and Surveys You union intends to use this tool to help Members stay connected while on the go. If you would like to see a feature or tool added to your IUOE Local 520 App, just let us know.
Ironworkers 378
This app serves as a resource for members of Ironworkers 378, providing access to union news, industry updates, and important contact information. It aims to educate and empower members by detailing available benefits and facilitating communication within the union.
- General news and updates
- Industry and contract specific information
- Call board integration
- Contact information
- Report violations
- Political action and organizing tools
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The Ironworkers 378 mobile app is designed to educate, engage and empower our Members. This app is to be used as a tool to better understand the benefits available to our Members working in the Industry. This app is only available to Ironworkers 378 Members. Items Included: • General News & Updates from Ironworkers 378 • Industry & Contract Specific Updates & Events • Call Board Integration • Contact Information • Report Violations • Political Action & Organizing & more! We are proud of our Ironworkers 378 Members & intend for this tool to help our Members better understand their role in their Union and the benefits available to them.
Screenshots
Verdict
The clearest difference is rating: IUOE 520 at 4.7 against Ironworkers 378's 4.2. IUOE 520 also leads on ratings volume (90 vs 14). Ironworkers 378's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IUOE 520 holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: IUOE 520 has 90 ratings behind it against 14, so its average is the more settled of the two.
IUOE 520 ships an update every 5 months, Ironworkers 378 every 4 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | IUOE 520 | Ironworkers 378 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (90 ratings) — better | 4.2 (14 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 90 — better | 14 |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 108 MB | 118 MB |
| Age rating | 17+ | 17+ |
| Developer | Operating Engineers Local 520 | INTERNATIONAL ASSOCIATION OF BRIDGE, STRUCTURAL, ORNAMENTAL & REINFORCING IRON WORKERS (CA) |
Customer experience
IUOE 520
Ironworkers 378
In-app purchases
IUOE 520
No in-app purchases
Ironworkers 378
No in-app purchases
Questions
Is IUOE 520 free?
Is Ironworkers 378 free?
Which has better reviews, IUOE 520 or Ironworkers 378?
Do IUOE 520 or Ironworkers 378 have ads?
Which is updated more often, IUOE 520 or Ironworkers 378?
Other comparisons
