# Dynamics 365 Field Service vs SAWIN

The clearest difference is rating: Dynamics 365 Field Service at 1.7 against SAWIN's 1.0. Dynamics 365 Field Service also leads on ratings volume (229 vs 13). SAWIN's advantage is iOS requirement (13.0 vs 16.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dynamics 365 Field Service holds the better App Store score, 1.7 against 1.0. That said, the two scores are not equally well evidenced: Dynamics 365 Field Service has 229 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 5% of Dynamics 365 Field Service's written reviews are positive against 0% of SAWIN's.

Dynamics 365 Field Service ships an update every 3 weeks, SAWIN fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Dynamics 365 Field Service | SAWIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (229 ratings)](https://appshunter.io/ios/app/dynamics-365-field-service/id1485579247/reviews)** | [1.0 (13 ratings)](https://appshunter.io/ios/app/sawin-mobiletech/id6449012319/reviews) |
| Number of ratings | **229** | 13 |
| Positive reviews | **4.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 148 MB | 44 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [Service Automation, Inc](https://appshunter.io/developer/671843419) |

## What reviewers say

### Dynamics 365 Field Service

[App page](https://appshunter.io/ios/app/dynamics-365-field-service/id1485579247)

Empower field service workers with a mobile app designed for their needs. Access and interact with critical data even without internet connectivity, thanks to robust offline capabilities. Data sync keeps the back office updated on work performed.

**Highlights:** Robust offline capabilities, Periodic data sync, Customizable on Power Apps platform, Access and interact with data, Designed for field service workers

**In-app purchases:** none

**What reviewers like**

- 🚀 Copilot, AI, remote assistant, access to knowledge articles, step-by-step instructions, GPS, offline capability
- 👍 Looks and feels good, has everything needed to perform as a frontline worker

**What reviewers complain about**

- 🐛 Constant crashes, freezes, and loss of progress
- 🔍 Difficult to navigate, poor UI/UX, not intuitive
- ⏱️ Extremely slow, takes forever to load and sync
- 📶 Doesn't work offline, requires full signal/data
- 🔋 High battery consumption

**Reported bugs**

- Constant login issues and never-ending login loops
- Randomly crashes or resets to home screen
- Syncing and saving errors, lost progress
- Incompatible with certain devices/OSes

**Requested features**

- Offline mode with full functionality
- Streamlined, intuitive UI designed for field work
- Batch/bulk upload and update capabilities
- Improved performance and stability


### SAWIN

[App page](https://appshunter.io/ios/app/sawin-mobiletech/id6449012319)

This app streamlines service calls for HVAC technicians, plumbers, and electricians. It offers features for dispatching, invoicing, payment collection, and detailed service and equipment history tracking. Users can also create purchase orders, checklists, estimates, and authorize work.

**Highlights:** Service call dispatching, Invoicing with parts/items, Payment collection, Before/after work photos, Service and equipment history, Purchase order creation, Checklist completion, Estimate building

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

**In-app purchases:** none


## Frequently asked questions

### Is Dynamics 365 Field Service free?

Dynamics 365 Field Service is free to download, with no in-app purchases.

### Is SAWIN free?

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

### Which has better reviews, Dynamics 365 Field Service or SAWIN?

Dynamics 365 Field Service is rated higher. Dynamics 365 Field Service averages 1.7 out of 5 from 229 ratings, while SAWIN averages 1.0 from 13 ratings.

### Do Dynamics 365 Field Service or SAWIN have ads?

Neither Dynamics 365 Field Service nor SAWIN shows ads.

### Which is updated more often, Dynamics 365 Field Service or SAWIN?

Dynamics 365 Field Service ships an update every 3 weeks, and SAWIN fortnightly. Most recently, Dynamics 365 Field Service was updated on November 7, 2026 and SAWIN 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.*