IUOE 181 vs Ironworkers 135
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IUOE 181
This app provides union members with news, updates, and information about their benefits and industry contracts. It serves as a tool to understand their role in the union and access important resources.
- General news and updates
- Industry and contract updates
- Call board integration
- Contact information
- Report violations
- Political action and organizing
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The IUOE 181 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 IUOE 181 Members. Items Included: - General News & Updates from IUOE 181 - Industry & Contract Specific Updates & Events - Call Board Integration - Contact Information - Report Violations - Political Action & Organizing - & more! We are proud of our IUOE 181 Members & intend for this tool to help our Members better understand their role in their Union and the benefits available to them.
Ironworkers 135
This app serves as a resource for members of Ironworkers 135 to access union news, industry updates, and important contact information. It helps members understand their benefits and role 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 135 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 135 Members. Items Included: • General News & Updates from Ironworkers 135 • Industry & Contract Specific Updates & Events • Call Board Integration • Contact Information • Report Violations • Political Action & Organizing & more! We are proud of our Ironworkers 135 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: Ironworkers 135 at 5.0 against IUOE 181's 4.2. Ironworkers 135 also leads on iOS requirement (12.0 vs 15.0). IUOE 181's advantage is ratings volume (31 vs 1). On price, review sentiment, update cadence and ads 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.
Ironworkers 135 holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: IUOE 181 has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
IUOE 181 ships an update every 5 months, Ironworkers 135 every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | IUOE 181 | Ironworkers 135 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (31 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 31 — better | 1 |
| Update frequency | Every 5 months | Every 3 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 | 106 MB | 121 MB |
| Age rating | 17+ | 17+ |
| Developer | International Union of Operating Engineers Local | International Afl-cio Iron Workers Local 135 |
Customer experience
IUOE 181
Ironworkers 135
In-app purchases
IUOE 181
No in-app purchases
Ironworkers 135
No in-app purchases
