# IUOE 103 vs IUOE 18

The clearest difference is review sentiment: IUOE 18 at 40% against IUOE 103's 0%. IUOE 18 also leads on update cadence (every 6 weeks vs every 4 months) and ratings volume (314 vs 82). IUOE 103's advantage is rating (4.7 vs 4.5) and iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

IUOE 103 holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 82 and 314 respectively. Written reviews complicate that: 0% of IUOE 103's written reviews are positive against 40% of IUOE 18's, so the app with the better star average is not the one people write more warmly about.

IUOE 103 ships an update every 4 months, IUOE 18 every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | IUOE 103 | IUOE 18 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (82 ratings)](https://appshunter.io/ios/app/iuoe-103/id1479295802/reviews)** | [4.5 (314 ratings)](https://appshunter.io/ios/app/iuoe-18/id1485734615/reviews) |
| Number of ratings | 82 | **314** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 119 MB | 112 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [INTERNATIONAL UNION OPERATING ENGINEERS LOCAL 103](https://appshunter.io/developer/1479295801) | [LOCAL 18 I.U.O.E.](https://appshunter.io/developer/1485734614) |

## What reviewers say

### IUOE 103

[App page](https://appshunter.io/ios/app/iuoe-103/id1479295802)

This app provides union members with essential information about their benefits, industry updates, and union activities. It serves as a tool for members to understand their role and available resources.

**Highlights:** General news and updates, Industry and contract updates, Call board integration, Contact information, Report violations, Political action and organizing

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### IUOE 18

[App page](https://appshunter.io/ios/app/iuoe-18/id1485734615)

This app provides members with essential union information, including local details, event updates, and important announcements. It also offers access to mental health resources and political information. Receive timely alerts directly to your device.

**Highlights:** Local union information, Announcements and events, Push notifications for updates, Mental health resources, Political initiative information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Easy and quick at meetings
- 👍 Convenient for paying dues
- 👍 Access to contracts, events, and meetings
- 👍 Great tool for staying connected
- 👍 Handy for staying up to date

**What reviewers complain about**

- 🐛 Frequent password changes
- 🐛 Inaccessible viewing areas
- 🐛 Inaccurate or non-functional features
- 🐛 Dues payment button missing
- 🐛 Difficult to navigate

**Reported bugs**

- Areas cannot be viewed
- Dues payment button is gone
- App updates do not show immediately

**Requested features**

- Add union card to the app
- View name on out of work list
- Live streaming of union meetings
- Information on healthcare at retirement


## Frequently asked questions

### Is IUOE 103 free?

IUOE 103 is free to download, with no in-app purchases.

### Is IUOE 18 free?

IUOE 18 is free to download, with no in-app purchases.

### Which has better reviews, IUOE 103 or IUOE 18?

IUOE 103 is rated higher. IUOE 103 averages 4.7 out of 5 from 82 ratings, while IUOE 18 averages 4.5 from 314 ratings.

### Do IUOE 103 or IUOE 18 have ads?

Neither IUOE 103 nor IUOE 18 shows ads.

### Which is updated more often, IUOE 103 or IUOE 18?

IUOE 103 ships an update every 4 months, and IUOE 18 every 6 weeks. Most recently, IUOE 103 was updated on November 3, 2026 and IUOE 18 on November 3, 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.*