# C4Timekeeper vs Sirius Rally Tracking

The clearest difference is in-app purchases: Sirius Rally Tracking at none against C4Timekeeper's 3. Sirius Rally Tracking also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. C4Timekeeper sells 3 one-off in-app purchases. Sirius Rally Tracking asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | C4Timekeeper | Sirius Rally Tracking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sirius-rally-tracking/id1603075901/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 10 MB | 18 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Filippo Gozza](https://appshunter.io/developer/954580932) | [QUBOL S.A.](https://appshunter.io/developer/1603075903) |

## What reviewers say

### C4Timekeeper

[App page](https://appshunter.io/ios/app/c4timekeeper/id1003021684)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version for one month | $4.99 | one-time |
| Full version for 6 months | $8.99 | one-time |
| Full version for one year | $13.99 | one-time |


### Sirius Rally Tracking

[App page](https://appshunter.io/ios/app/sirius-rally-tracking/id1603075901)

Track rally racing vehicles globally with this dedicated application. Monitor competitions and stay updated on race progress worldwide.

**Highlights:** Global vehicle tracking, Rally racing competitions, Real-time race monitoring, Worldwide coverage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C4Timekeeper free?

C4Timekeeper is free to download, with in-app purchases available.

### Is Sirius Rally Tracking free?

Sirius Rally Tracking is free to download, with no in-app purchases.

### Do C4Timekeeper or Sirius Rally Tracking have ads?

Neither C4Timekeeper nor Sirius Rally Tracking shows ads.

### Which is updated more often, C4Timekeeper or Sirius Rally Tracking?

C4Timekeeper ships an update every 2 months, and Sirius Rally Tracking every 2 months. Most recently, C4Timekeeper was updated on October 26, 2026 and Sirius Rally Tracking 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.*