# SMART Union vs Proof TAB

The clearest difference is update cadence: Proof TAB at every 8 days against SMART Union's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

SMART Union ships an update every 2 months, Proof TAB every 8 days. The most recent releases landed on August 28, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | SMART Union | Proof TAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (28 ratings)](https://appshunter.io/ios/app/smart-union/id996490914/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 165 MB | 935 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [International Association of Sheet Metal, Air, Rail and Transportation Workers](https://appshunter.io/developer/1400949744) | [Jawad Jaber](https://appshunter.io/developer/828202845) |

## What reviewers say

### SMART Union

[App page](https://appshunter.io/ios/app/smart-union/id996490914)

Stay informed with union news and important notifications. Access member benefits, local union information, and resources to manage your meeting experience with schedules and maps.

**Highlights:** Union news updates, Important notifications, Member benefits access, Local union information, Meeting schedules and maps, Member resources

**In-app purchases:** none


### Proof TAB

[App page](https://appshunter.io/ios/app/proof-tab/id1640619327)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMART Union free?

SMART Union is free to download, with no in-app purchases.

### Is Proof TAB free?

Proof TAB is free to download, with no in-app purchases.

### Do SMART Union or Proof TAB have ads?

Neither SMART Union nor Proof TAB shows ads.

### Which is updated more often, SMART Union or Proof TAB?

SMART Union ships an update every 2 months, and Proof TAB every 8 days. Most recently, SMART Union was updated on August 28, 2026 and Proof TAB on September 5, 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.*