# Tunit Plus vs D

The clearest difference is update cadence: D at every 5 days against Tunit Plus's every 2 months. Tunit Plus's advantage is iOS requirement (8.0 vs 15.0). 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.

Tunit Plus ships an update every 2 months, D every 5 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tunit Plus | D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 50 MB | 30 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tachos LLC](https://appshunter.io/developer/723695073) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### Tunit Plus

[App page](https://appshunter.io/ios/app/tunit-plus/id1169088013)

Control your car's performance and economy with this app. Download specific maps for your vehicle to enhance driving experience. Easily switch between ECO, STD, SPORT, and SPORT+ settings.

**Highlights:** Control car performance, Manage car economy, Download specific car maps, Switch between ECO, STD, SPORT, SPORT+ settings, Upload programs to car, Return to standard settings

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-sync-ecu/id6761677479)

**In-app purchases:** none


## Frequently asked questions

### Is Tunit Plus free?

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

### Is D free?

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

### Do Tunit Plus or D have ads?

Neither Tunit Plus nor D shows ads.

### Which is updated more often, Tunit Plus or D?

Tunit Plus ships an update every 2 months, and D every 5 days. Most recently, Tunit Plus was updated on September 30, 2026 and D on October 6, 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.*