# TMS Sidekick vs ES Service Optimizer Mobile

The clearest difference is rating: ES Service Optimizer Mobile at 2.7 against TMS Sidekick's 2.1. TMS Sidekick's advantage is update cadence (monthly vs every 5 months) and ratings volume (15 vs 3). 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.

ES Service Optimizer Mobile holds the better App Store score, 2.7 against 2.1. That said, the two scores are not equally well evidenced: TMS Sidekick has 15 ratings behind it against 3, so its average is the more settled of the two.

TMS Sidekick ships an update monthly, ES Service Optimizer Mobile every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TMS Sidekick | ES Service Optimizer Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (15 ratings)](https://appshunter.io/ios/app/tms-sidekick/id625467183/reviews) | **[2.7 (3 ratings)](https://appshunter.io/ios/app/es-service-optimizer-mobile/id1267798489/reviews)** |
| Number of ratings | **15** | 3 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | Free |
| Size | 43 MB | 40 MB |
| Requires iOS | **10.3** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Four Rivers Software Systems Inc](https://appshunter.io/developer/625467186) | [Healthcare Facilities Consulting, Inc.](https://appshunter.io/developer/480612395) |

## What reviewers say

### TMS Sidekick

[App page](https://appshunter.io/ios/app/tms-sidekick/id625467183)

This mobile solution provides technicians with on-the-go access to maintenance management systems. It allows for quick communication, task resolution, and data collection for work orders directly from a mobile device.

**Highlights:** On-the-go maintenance management, Access TMS database, Retrieve asset data, Perform scheduled maintenance, Collect data for work orders, Communicate on the go

**In-app purchases:** none


### ES Service Optimizer Mobile

[App page](https://appshunter.io/ios/app/es-service-optimizer-mobile/id1267798489)

Streamline on-site inspections for cleaning services. Create inspection checklists, sync them to mobile devices, and record results in the field for efficient reporting. Integrates with a desktop application for comprehensive data management.

**Highlights:** Create cleaning inspection checklists, Sync inspections to Apple Devices, Perform inspections in the field, Sync results back to desktop app, Easy reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TMS Sidekick free?

TMS Sidekick is free to download, with no in-app purchases.

### Is ES Service Optimizer Mobile free?

ES Service Optimizer Mobile is free to download, with no in-app purchases.

### Which has better reviews, TMS Sidekick or ES Service Optimizer Mobile?

ES Service Optimizer Mobile is rated higher. TMS Sidekick averages 2.1 out of 5 from 15 ratings, while ES Service Optimizer Mobile averages 2.7 from 3 ratings.

### Do TMS Sidekick or ES Service Optimizer Mobile have ads?

Neither TMS Sidekick nor ES Service Optimizer Mobile shows ads.

### Which is updated more often, TMS Sidekick or ES Service Optimizer Mobile?

TMS Sidekick ships an update monthly, and ES Service Optimizer Mobile every 5 months. Most recently, TMS Sidekick was updated on November 1, 2026 and ES Service Optimizer Mobile 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.*