# Master It vs One Onsite

The clearest difference is review sentiment: Master It at 76% against One Onsite's 23%. Master It also leads on rating (3.7 vs 2.5) and chart position (#178 vs unranked). One Onsite's advantage is price (Free vs $6.99) and ratings volume (98 vs 18). On update cadence, ads, in-app purchases and device support there is nothing between them.

One Onsite is free to download; Master It costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Master It holds the better App Store score, 3.7 against 2.5. That said, the two scores are not equally well evidenced: One Onsite has 98 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 76% of Master It's written reviews are positive against 23% of One Onsite's.

Master It ships an update every 2 months, One Onsite every 5 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Master It | One Onsite |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[3.7 (18 ratings)](https://appshunter.io/ios/app/master-it/id645920825/reviews)** | [2.5 (98 ratings)](https://appshunter.io/ios/app/one-onsite/id1642547378/reviews) |
| Number of ratings | 18 | **98** |
| Positive reviews | **76.2% of reviews** | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#178** | — |
| Size | 6 MB | 117 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [SMS Assist, LLC.](https://appshunter.io/developer/616469901) |

## What reviewers say

### Master It

[App page](https://appshunter.io/ios/app/master-it/id645920825)

**Currently charting:** #178 Top Paid · Utilities (US App Store)

Instantly create and print master key systems without complex calculations. Supports various keyways and pin systems, with options for randomization and secure saving. Ideal for on-the-fly key management.

**Highlights:** Instant master key system creation, Zero math required, Supports multiple keyways, Randomize TMK generation, Print, email, or save systems, 5 or 6 pin system support, Shake to lock/unlock functions

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

**In-app purchases:** none


### One Onsite

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

This app assists facilities maintenance technicians in completing work orders efficiently. It provides detailed information, guides users to locations, and streamlines data collection for back-office reporting. The application is designed for ease of use with minimal training required.

**Highlights:** View daily work orders, Access issue and location details, Review historical service information, Guided task completion flow, Offline and low-connectivity performance, Faster data upload, Battery optimization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Master It free?

Master It costs $6.99, with no in-app purchases.

### Is One Onsite free?

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

### Which has better reviews, Master It or One Onsite?

Master It is rated higher. Master It averages 3.7 out of 5 from 18 ratings, while One Onsite averages 2.5 from 98 ratings.

### Do Master It or One Onsite have ads?

Neither Master It nor One Onsite shows ads.

### Which is updated more often, Master It or One Onsite?

Master It ships an update every 2 months, and One Onsite every 5 weeks. Most recently, Master It was updated on September 30, 2026 and One Onsite on October 5, 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.*