# One Onsite vs CheckSammy Professional

The clearest difference is update cadence: CheckSammy Professional at every 5 days against One Onsite's every 6 weeks. One Onsite's advantage is review sentiment (23% vs 13%) and ratings volume (99 vs 17). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.5 for One Onsite against 2.5 for CheckSammy Professional. That said, the two scores are not equally well evidenced: One Onsite has 99 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 23% of One Onsite's written reviews are positive against 13% of CheckSammy Professional's.

One Onsite ships an update every 6 weeks, CheckSammy Professional every 5 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | One Onsite | CheckSammy Professional |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (99 ratings)](https://appshunter.io/ios/app/one-onsite/id1642547378/reviews)** | [2.5 (17 ratings)](https://appshunter.io/ios/app/checksammy-professional/id6505013198/reviews) |
| Number of ratings | **99** | 17 |
| Positive reviews | **23.1% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 102 MB | 138 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SMS Assist, LLC.](https://appshunter.io/developer/616469901) | [CheckSammy Technologies Inc.](https://appshunter.io/developer/1452857394) |

## What reviewers say

### One Onsite

[App page](https://appshunter.io/ios/app/one-onsite/id1642547378)

This app assists maintenance technicians in completing work orders efficiently. It provides essential job details, location guidance, and historical service information, requiring minimal training for users.

**Highlights:** Guided work order completion, Informational job details and history, Location guidance, Offline and low connectivity performance, Faster upload times, Battery optimization

**Features:** Vision Pro support

**In-app purchases:** none


### CheckSammy Professional

[App page](https://appshunter.io/ios/app/checksammy-professional/id6505013198)

Connect with clients seeking your professional services. This platform provides a network for skilled individuals to find and accept job opportunities that align with their expertise, enabling them to monetize their talents.

**Highlights:** Access a network of service providers, Find jobs matching your skills, Turn expertise into earnings, Receive a steady stream of opportunities, Connect with clients

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

**In-app purchases:** none


## Frequently asked questions

### Is One Onsite free?

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

### Is CheckSammy Professional free?

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

### Which has better reviews, One Onsite or CheckSammy Professional?

One Onsite is rated higher. One Onsite averages 2.5 out of 5 from 99 ratings, while CheckSammy Professional averages 2.5 from 17 ratings.

### Do One Onsite or CheckSammy Professional have ads?

Neither One Onsite nor CheckSammy Professional shows ads.

### Which is updated more often, One Onsite or CheckSammy Professional?

One Onsite ships an update every 6 weeks, and CheckSammy Professional every 5 days. Most recently, One Onsite was updated on November 7, 2026 and CheckSammy Professional on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*