# Parametric vs Truck Explorer

The clearest difference is rating: Truck Explorer at 5.0 against Parametric's 4.0. Parametric's advantage is iOS requirement (8.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Truck Explorer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Parametric ships an update every 6 weeks, Truck Explorer every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Parametric | Truck Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/parametric-wallpapers-designed-by-you/id1059173946/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/truck-explorer/id1621073161/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 154 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sergio Abril](https://appshunter.io/developer/581705208) | [DIELEKTRIK](https://appshunter.io/developer/1603051956) |

## What reviewers say

### Parametric

[App page](https://appshunter.io/ios/app/parametric-wallpapers-designed-by-you/id1059173946)

Create unique, animated wallpapers by interacting with points and colors on your screen. Save your custom designs directly to your device's camera roll for personalized backgrounds.

**Highlights:** Interactive point generation, Adjustable movement speed, Customizable line and background colors, Save designs to camera roll, Animated wallpaper creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Truck Explorer

[App page](https://appshunter.io/ios/app/truck-explorer/id1621073161)

This specialized software enables advanced diagnostics and programming for various trucks, buses, and industrial machines. It facilitates reading/writing ECU memory, immobilizer operations, key programming, and calculating access codes, often via the OBD port.

**Highlights:** ECU memory read/write (FLASH/EEPROM), IMMO OFF operation, New key programming, Special access code calculation, OBD port operations, Support for multiple truck brands

**In-app purchases:** none


## Frequently asked questions

### Is Parametric free?

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

### Is Truck Explorer free?

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

### Which has better reviews, Parametric or Truck Explorer?

Truck Explorer is rated higher. Parametric averages 4.0 out of 5 from 1 ratings, while Truck Explorer averages 5.0 from 2 ratings.

### Do Parametric or Truck Explorer have ads?

Neither Parametric nor Truck Explorer shows ads.

### Which is updated more often, Parametric or Truck Explorer?

Parametric ships an update every 6 weeks, and Truck Explorer every 5 weeks. Most recently, Parametric was updated on November 2, 2026 and Truck Explorer on November 3, 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.*