# TechWorld vs PetroApp

The clearest difference is update cadence: PetroApp at every 8 days against TechWorld's every 2 weeks. PetroApp also leads on iOS requirement (15.0 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.

TechWorld ships an update every 2 weeks, PetroApp every 8 days. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TechWorld | PetroApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Size | 17 MB | 112 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TechWorld](https://appshunter.io/developer/1851931301) | [REYADA AND AAMAL IT COMPANY](https://appshunter.io/developer/1267297825) |

## What reviewers say

### TechWorld

[App page](https://appshunter.io/ios/app/techworld-it/id6755099660)

**Features:** macOS Compatibility

**In-app purchases:** none


### PetroApp

[App page](https://appshunter.io/ios/app/petroapp/id6761115080)

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

**In-app purchases:** none


## Frequently asked questions

### Is TechWorld free?

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

### Is PetroApp free?

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

### Do TechWorld or PetroApp have ads?

Neither TechWorld nor PetroApp shows ads.

### Which is updated more often, TechWorld or PetroApp?

TechWorld ships an update every 2 weeks, and PetroApp every 8 days. Most recently, TechWorld was updated on October 5, 2026 and PetroApp on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*