# RigUp Field vs ATI SEMS

The clearest difference is update cadence: ATI SEMS at every 9 days against RigUp Field's monthly. ATI SEMS also leads on iOS requirement (12.2 vs 16.4). 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.

RigUp Field ships an update monthly, ATI SEMS every 9 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RigUp Field | ATI SEMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 75 MB | 68 MB |
| Requires iOS | 16.4 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [RigUp Inc](https://appshunter.io/developer/1602289577) | [Agilink Technologies, Inc.](https://appshunter.io/developer/1364124321) |

## What reviewers say

### RigUp Field

[App page](https://appshunter.io/ios/app/rigup-field/id6472059168)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ATI SEMS

[App page](https://appshunter.io/ios/app/ati-sems/id6752559411)

**In-app purchases:** none


## Frequently asked questions

### Is RigUp Field free?

RigUp Field is free to download, with no in-app purchases.

### Is ATI SEMS free?

ATI SEMS is free to download, with no in-app purchases.

### Do RigUp Field or ATI SEMS have ads?

Neither RigUp Field nor ATI SEMS shows ads.

### Which is updated more often, RigUp Field or ATI SEMS?

RigUp Field ships an update monthly, and ATI SEMS every 9 days. Most recently, RigUp Field was updated on October 24, 2026 and ATI SEMS on October 16, 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.*