# SC TMS vs TransitTrackingLogBook

The clearest difference is update cadence: SC TMS at every 11 days against TransitTrackingLogBook's monthly. SC TMS also leads on iOS requirement (12.0 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.

SC TMS ships an update every 11 days, TransitTrackingLogBook monthly. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SC TMS | TransitTrackingLogBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Size | 5 MB | 49 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [JARUX INC](https://appshunter.io/developer/1480807618) | [Transit Tracking LLC](https://appshunter.io/developer/1683131872) |

## What reviewers say

### SC TMS

[App page](https://appshunter.io/ios/app/sc-tms/id6449422516)

**Features:** macOS Compatibility

**In-app purchases:** none


### TransitTrackingLogBook

[App page](https://appshunter.io/ios/app/transittrackinglogbook/id6761481230)

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

**In-app purchases:** none


## Frequently asked questions

### Is SC TMS free?

SC TMS is free to download, with no in-app purchases.

### Is TransitTrackingLogBook free?

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

### Do SC TMS or TransitTrackingLogBook have ads?

Neither SC TMS nor TransitTrackingLogBook shows ads.

### Which is updated more often, SC TMS or TransitTrackingLogBook?

SC TMS ships an update every 11 days, and TransitTrackingLogBook monthly. Most recently, SC TMS was updated on October 10, 2026 and TransitTrackingLogBook 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.*