TMS Sidekick vs Otis eService
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TMS Sidekick
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.
- On-the-go maintenance management
- Access TMS database
- Retrieve asset data
- Perform scheduled maintenance
- Collect data for work orders
- Communicate on the go
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TMS Sidekick is a mobile computerized maintenance management solution (CMMS) that allows technicians to access their TMS OnSite/TMS OnLine applications from Accruent. The Power of TMS On-the-Go TMS Sidekick provides technicians with the power to communicate on the go and resolve every day service requests and other tasks quickly and accurately. Technicians can access the TMS database, retrieve asset data, perform scheduled maintenance, and even collect data for work orders on-the-fly.
Otis eService
Access real-time equipment performance details, receive instant notifications, and view service history. Request service calls easily and manage your equipment's key operating metrics through a personalized dashboard.
- Real-time performance details
- Instant notifications
- Service history access
- Service call requests
- Equipment metrics dashboard
- Contact options
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Smart Phone. Smarter Service. Gain the flexibility and convenience of mobility with performance details of Otis eService. Informed. Get real-time notifications and access to a complete history of activities about your equipment. Organized. Request a service call with a few simple clicks on your smartphone and view open service calls as they occur. Convenience. Access personalized data through one simple performance dashboard and review your equipment’s key operating metrics. Otis at your fingertips. Contact OTISLINE®, your account rep or customer service. Otis’ eService is a web-based system providing around –the-clock access to maintenance customer’s elevator performance and service information. The eService mobile application is explicitly for existing maintenance customers with active eService accounts. Otis eService software supports IOS 8.0 and higher mobile devices. To learn more visit www.otis.com
Screenshots
Verdict
The clearest difference is rating: Otis eService at 3.4 against TMS Sidekick's 2.1. TMS Sidekick's advantage is update cadence (monthly vs every 4 months) and ratings volume (15 vs 5). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Otis eService holds the better App Store score, 3.4 against 2.1. Both are backed by a comparable volume of ratings — 15 and 5 respectively. Written reviews split almost evenly too, at 17% and 17% positive.
TMS Sidekick ships an update monthly, Otis eService every 4 months. Both last shipped on November 1, 2026.
| Parameter | TMS Sidekick | Otis eService |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (15 ratings) | 3.4 (5 ratings) — better |
| Positive reviews | 16.7% of reviews | 16.7% of reviews |
| Number of ratings | 15 — better | 5 |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 | 9.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Four Rivers Software Systems Inc | Otis Elevator Company |
Customer experience
TMS Sidekick
Otis eService
In-app purchases
TMS Sidekick
No in-app purchases
Otis eService
No in-app purchases
Questions
Is TMS Sidekick free?
Is Otis eService free?
Which has better reviews, TMS Sidekick or Otis eService?
Do TMS Sidekick or Otis eService have ads?
Which is updated more often, TMS Sidekick or Otis eService?
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