# UpdatePromise Scan vs Service Flex

The clearest difference is rating: Service Flex at 4.7 against UpdatePromise Scan's 3.5. Service Flex also leads on iOS requirement (15.1 vs 17.6). UpdatePromise Scan's advantage is update cadence (every 6 weeks vs every 4 months) and ratings volume (24 vs 6). 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.

Service Flex holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 24 and 6 respectively.

UpdatePromise Scan ships an update every 6 weeks, Service Flex every 4 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | UpdatePromise Scan | Service Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (24 ratings)](https://appshunter.io/ios/app/updatepromise-scan/id1555354529/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/service-flex-technician/id6475359821/reviews)** |
| Number of ratings | **24** | 6 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 107 MB | 33 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Update Promise](https://appshunter.io/developer/1233866966) | [The Reynolds and Reynolds Company and its affiliates](https://appshunter.io/developer/411454098) |

## What reviewers say

### UpdatePromise Scan

[App page](https://appshunter.io/ios/app/updatepromise-scan/id1555354529)

Streamline automotive service operations with a VIN scanner for quick customer and vehicle history lookups. Manage appointments, check-ins, and inspections efficiently from a tablet, all without leaving the service drive.

**Highlights:** Integrated VIN scanner, Accelerated customer searches, Vehicle history lookup, Manage appointments, Vehicle check-in, Multi-point inspections

**Features:** Vision Pro support

**In-app purchases:** none


### Service Flex

[App page](https://appshunter.io/ios/app/service-flex-technician/id6475359821)

Streamline routine tasks for automotive technicians directly from a mobile device. This app facilitates multi-point inspections and links pending services to repair orders, enhancing efficiency within a dealership's service department.

**Highlights:** Complete multi-point inspections, Tie pending services to RO, Forced march process, Mobile task completion, Part of Reynolds Retail Management System

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

**In-app purchases:** none


## Frequently asked questions

### Is UpdatePromise Scan free?

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

### Is Service Flex free?

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

### Which has better reviews, UpdatePromise Scan or Service Flex?

Service Flex is rated higher. UpdatePromise Scan averages 3.5 out of 5 from 24 ratings, while Service Flex averages 4.7 from 6 ratings.

### Do UpdatePromise Scan or Service Flex have ads?

Neither UpdatePromise Scan nor Service Flex shows ads.

### Which is updated more often, UpdatePromise Scan or Service Flex?

UpdatePromise Scan ships an update every 6 weeks, and Service Flex every 4 months. Most recently, UpdatePromise Scan was updated on October 6, 2026 and Service Flex on October 10, 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.*