# Time Tracker by ARS vs SIO Events

The clearest difference is update cadence: Time Tracker by ARS at every 3 weeks against SIO Events's every 9 months. Time Tracker by ARS also leads on iOS requirement (10.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Time Tracker by ARS ships an update every 3 weeks, SIO Events every 9 months. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Time Tracker by ARS | SIO Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/time-tracker-by-ars/id1408661531/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Free | — |
| Size | 51 MB | 53 MB |
| Requires iOS | **10.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Advanced Radiology Services, PC](https://appshunter.io/developer/466357254) | [Society of Interventional Ocology, INC.](https://appshunter.io/developer/1494192386) |

## What reviewers say

### Time Tracker by ARS

[App page](https://appshunter.io/ios/app/time-tracker-by-ars/id1408661531)

This app assists physicians and APPs in meticulously tracking and documenting their work hours for RVU calculations. It offers offline time entry with secure server synchronization for data storage. Contact Advanced Radiology Services PC to begin using this tool.

**Highlights:** Time tracking for RVU purposes, Offline time entry, Secure server synchronization, Data documentation, Physician and APP focused

**Features:** macOS Compatibility

**In-app purchases:** none


### SIO Events

[App page](https://appshunter.io/ios/app/sio-events/id6755206961)

**In-app purchases:** none


## Frequently asked questions

### Is Time Tracker by ARS free?

Time Tracker by ARS is free to download, with no in-app purchases.

### Is SIO Events free?

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

### Do Time Tracker by ARS or SIO Events have ads?

Neither Time Tracker by ARS nor SIO Events shows ads.

### Which is updated more often, Time Tracker by ARS or SIO Events?

Time Tracker by ARS ships an update every 3 weeks, and SIO Events every 9 months. Most recently, Time Tracker by ARS was updated on September 15, 2026 and SIO Events on September 9, 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.*