# TMS Sidekick vs Zone Maintenance

The clearest difference is update cadence: TMS Sidekick at monthly against Zone Maintenance's every 2 months. TMS Sidekick also leads on iOS requirement (10.3 vs 17.6). 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.

TMS Sidekick ships an update monthly, Zone Maintenance every 2 months. The most recent releases landed on September 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | TMS Sidekick | Zone Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (15 ratings)](https://appshunter.io/ios/app/tms-sidekick/id625467183/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 43 MB | 6 MB |
| Requires iOS | **10.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Four Rivers Software Systems Inc](https://appshunter.io/developer/625467186) | [Advanced Technologies Group](https://appshunter.io/developer/732016893) |

## 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


### Zone Maintenance

[App page](https://appshunter.io/ios/app/zone-maintenance/id1595584121)

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

**In-app purchases:** none


## Frequently asked questions

### Is TMS Sidekick free?

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

### Is Zone Maintenance free?

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

### Do TMS Sidekick or Zone Maintenance have ads?

Neither TMS Sidekick nor Zone Maintenance shows ads.

### Which is updated more often, TMS Sidekick or Zone Maintenance?

TMS Sidekick ships an update monthly, and Zone Maintenance every 2 months. Most recently, TMS Sidekick was updated on September 24, 2026 and Zone Maintenance on October 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.*