# ON AXION vs FullProb

The clearest difference is update cadence: FullProb at weekly against ON AXION's monthly. 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.

ON AXION ships an update monthly, FullProb weekly. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ON AXION | FullProb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 63 MB | 9 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pan American Energy LLC](https://appshunter.io/developer/1463083447) | [hector cairo](https://appshunter.io/developer/1812967757) |

## What reviewers say

### ON AXION

[App page](https://appshunter.io/ios/app/on-axion/id1628387527)

This app rewards users for fuel purchases and consumption at specific stations. It offers discounts across multiple categories and helps locate nearby service points. Users can also pay using QR codes.

**Highlights:** Save on fuel, Access discounts in 10+ categories, Locate nearby AXION stations, Pay with QR code, Tiered rewards based on consumption

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

**In-app purchases:** none


### FullProb

[App page](https://appshunter.io/ios/app/fullprob/id6745569455)

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

**In-app purchases:** none


## Frequently asked questions

### Is ON AXION free?

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

### Is FullProb free?

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

### Do ON AXION or FullProb have ads?

Neither ON AXION nor FullProb shows ads.

### Which is updated more often, ON AXION or FullProb?

ON AXION ships an update monthly, and FullProb weekly. Most recently, ON AXION was updated on October 3, 2026 and FullProb on October 13, 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.*