# GROB⁴Line vs TCI TUNER

The clearest difference is update cadence: TCI TUNER at fortnightly against GROB⁴Line's every 2 months. 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.

GROB⁴Line ships an update every 2 months, TCI TUNER fortnightly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GROB⁴Line | TCI TUNER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 16 MB | 19 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GROB-WERKE GmbH & Co. KG](https://appshunter.io/developer/1126270873) | [Edelbrock Corp](https://appshunter.io/developer/1579096297) |

## What reviewers say

### GROB⁴Line

[App page](https://appshunter.io/ios/app/grobline/id1126270874)

**Features:** Vision Pro support

**In-app purchases:** none


### TCI TUNER

[App page](https://appshunter.io/ios/app/tci-tuner/id6499452376)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GROB⁴Line free?

GROB⁴Line is free to download, with no in-app purchases.

### Is TCI TUNER free?

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

### Do GROB⁴Line or TCI TUNER have ads?

Neither GROB⁴Line nor TCI TUNER shows ads.

### Which is updated more often, GROB⁴Line or TCI TUNER?

GROB⁴Line ships an update every 2 months, and TCI TUNER fortnightly. Most recently, GROB⁴Line was updated on October 8, 2026 and TCI TUNER on October 7, 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.*