IUOE 99 vs UA 669
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IUOE 99
This app provides union members with access to news, industry updates, and important contact information. It serves as a tool to understand available benefits and engage with union activities.
- General News & Updates
- Industry & Contract Updates
- Call Board Integration
- Contact Information
- Report Violations
- Political Action & Organizing
Read full descriptionHide full description
The IUOE 99 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 99 Members. Items Included: • General News & Updates from IUOE 99 • Industry & Contract Specific Updates & Events • Call Board Integration • Contact Information • Report Violations • Political Action & Organizing & more! We are proud of our IUOE 99 Members & intend for this tool to help our Members better understand their role in their Union and the benefits available to them.
UA 669
Stay informed about your local union, including its history, mission, and upcoming events. Receive important announcements, political updates, and mental health resources directly on your device.
- Local union information
- Announcements and events
- Push notifications for updates
- Mental health resources
- Political initiative information
Read full descriptionHide full description
Access important information, stay informed about local events, and receive the latest updates straight to your phone. Key features include: • Local Information: Learn about Sprinkler Fitters 669, its history, and its mission. • Announcements & Events: Stay up to date with important news and upcoming events. • Push Notifications: alerts on essential union updates and reminders. • Mental Health Resources: Access resources and support for mental wellness. • Political Information: Stay informed on political initiatives and how you can get involved. And More! Disclaimer: This app is provided as a resource to members of the Sprinkler Fitters 669 and does not represent a government entity. All government/political information included in this app is sourced from usa.gov.
Screenshots
Verdict
The clearest difference is review sentiment: UA 669 at 100% against IUOE 99's 0%. UA 669 also leads on update cadence (monthly vs every 3 months) and ratings volume (28 vs 8). IUOE 99's advantage is rating (4.8 vs 3.9). On price, ads, in-app purchases and monetization model 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 99 holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 8 and 28 respectively. Written reviews complicate that: 0% of IUOE 99's written reviews are positive against 100% of UA 669's, so the app with the better star average is not the one people write more warmly about.
IUOE 99 ships an update every 3 months, UA 669 monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | IUOE 99 | UA 669 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (8 ratings) — better | 3.9 (28 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 28 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 119 MB | 119 MB |
| Age rating | 17+ | 17+ |
| Developer | International Union Of Operating Engineers Local 99 | Local Union 669 Sprinkler Fitters |
Customer experience
IUOE 99
UA 669
In-app purchases
IUOE 99
No in-app purchases
UA 669
No in-app purchases









