Comparison

IAM 751 vs OBS Inventory

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

IAM 751

Free

💼 Business

★ 5.01 ratingsView app →

About

IAM 751

This official union app provides members with exclusive access to union information, contract details, and event calendars. It facilitates communication and offers resources related to benefits, legislation, and union activities.

Highlights

Member exclusive content
Contract 2024 access
Union communications
Events calendar
Health & Benefits information
Machinists Institute resources
Push notifications

Features

Read full description

The official mobile app for the IAM District 751. Features include: - Members Only- Contract 2024- Stewards Only- Communications- Know Your Union- Politics & Legislation - Health & Benefits- Machinists Institute- Events Calendar- Update Info- My Contract- Contact Us- Photo Gallery- Push Notifications MEMBERS ONLY can view: - Messaging (Admin Only)- Push Notification Archive- Member Home- 2024- Events Calendar- Officers/Staff- Committees- Wage Card- Important Links- Meeting Minutes- WARN Notices- Class Registration- Research Tools- IAM/Boeing Contract 2024- Stewards Only Archive- Rehire- Politics & Legislation- Attendance Changes- Information- Layoff Information- ReHire List- Classified Ads

About

OBS Inventory

Features

Read full description

OBS Inventory allows you to quickly count your inventory. Use your iPhone or iPad's built-in camera to scan barcodes, including QR codes. No special hardware required.

Screenshots

IAM 7512 screens

OBS Inventory3 screens

Verdict

The call

The clearest difference is update cadence: OBS Inventory at every 2 months against IAM 751's every 76 months. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

IAM 751 ships an update every 76 months, OBS Inventory every 2 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 8 level

IAM 751 versus OBS Inventory: the parameters behind the verdict, then further details
Parameter	IAM 751	OBS Inventory
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 76 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.6 — better	15.0
Further details — not scored
Size	3 MB	89 MB
Age rating	17+	4+
Developer	Aerospace Industrial District Lodge 751	Consortium Services, LLC

In-app purchases

None

IAM 751

No in-app purchases

None

OBS Inventory

No in-app purchases

Questions

Is IAM 751 free?

IAM 751 is free to download, with no in-app purchases.

Is OBS Inventory free?

OBS Inventory is free to download, with no in-app purchases.

Do IAM 751 or OBS Inventory have ads?

Neither IAM 751 nor OBS Inventory shows ads.

Which is updated more often, IAM 751 or OBS Inventory?

IAM 751 ships an update every 76 months, and OBS Inventory every 2 months. Most recently, IAM 751 was updated on September 9, 2026 and OBS Inventory on September 17, 2026.