# eSOMS Maintenance vs TK Go

The clearest difference is update cadence: eSOMS Maintenance at every 12 months against TK Go's every 26 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.

eSOMS Maintenance ships an update every 12 months, TK Go every 26 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | eSOMS Maintenance | TK Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tk-go/id1446029863/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 26 months |
| Monetization | — | Free |
| Size | 9 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hitachi Energy USA Inc.](https://appshunter.io/developer/513449048) | [Stilwell and associates of the U.S.A., Inc](https://appshunter.io/developer/1446029862) |

## What reviewers say

### eSOMS Maintenance

[App page](https://appshunter.io/ios/app/esoms-maintenance/id1280283328)

**Features:** macOS Compatibility

**In-app purchases:** none


### TK Go

[App page](https://appshunter.io/ios/app/tk-go/id1446029863)

Manage Lockout Tagout permits and sign out sites for active work remotely using QR codes. This mobile tool extends the functionality of TK Pro, allowing field operations without needing the thick client.

**Highlights:** View Lockout Tagout Permits, Sign out sites for active work, Utilize QR codes for field sign-out, Remote access to TK Pro functionality, API integration for TK Pro

**In-app purchases:** none


## Frequently asked questions

### Is eSOMS Maintenance free?

eSOMS Maintenance is free to download, with no in-app purchases.

### Is TK Go free?

TK Go is free to download, with no in-app purchases.

### Do eSOMS Maintenance or TK Go have ads?

Neither eSOMS Maintenance nor TK Go shows ads.

### Which is updated more often, eSOMS Maintenance or TK Go?

eSOMS Maintenance ships an update every 12 months, and TK Go every 26 months. Most recently, eSOMS Maintenance was updated on November 6, 2026 and TK Go on November 2, 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.*