# Petro+ vs Hagler

The clearest difference is update cadence: Hagler at fortnightly against Petro+'s every 4 months. Hagler also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Petro+ ships an update every 4 months, Hagler fortnightly. Both last shipped on October 9, 2026.

## The numbers

| Metric | Petro+ | Hagler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 63 MB | 30 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CRESCE VENDAS TECNOLOGIA LTDA](https://appshunter.io/developer/1451861117) | [WX3 E-COMMERCE LTDA](https://appshunter.io/developer/6786753680) |

## What reviewers say

### Petro+

[App page](https://appshunter.io/ios/app/petro-plus/id6504097963)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hagler

[App page](https://appshunter.io/ios/app/hagler/id6808750825)

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

**In-app purchases:** none


## Frequently asked questions

### Is Petro+ free?

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

### Is Hagler free?

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

### Do Petro+ or Hagler have ads?

Neither Petro+ nor Hagler shows ads.

### Which is updated more often, Petro+ or Hagler?

Petro+ ships an update every 4 months, and Hagler fortnightly. Most recently, Petro+ was updated on October 9, 2026 and Hagler on October 9, 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.*