# DCS Lithium vs TowCalc

The clearest difference is in-app purchases: DCS Lithium at none against TowCalc's 1. DCS Lithium also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. TowCalc sells 1 one-off in-app purchase. DCS Lithium asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DCS Lithium | TowCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 27 MB | 3 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marek Tomolowicz](https://appshunter.io/developer/1535362874) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### DCS Lithium

[App page](https://appshunter.io/ios/app/dcs-lithium/id6742028751)

**Features:** macOS Compatibility

**In-app purchases:** none


### TowCalc

[App page](https://appshunter.io/ios/app/towcalc-trailer-weights/id6790220566)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TowCalc Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is DCS Lithium free?

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

### Is TowCalc free?

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

### Do DCS Lithium or TowCalc have ads?

Neither DCS Lithium nor TowCalc shows ads.

### Which is updated more often, DCS Lithium or TowCalc?

DCS Lithium ships an update every 2 weeks, and TowCalc every 2 weeks. Most recently, DCS Lithium was updated on October 11, 2026 and TowCalc on October 12, 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.*