# ON AXION vs KYU

The clearest difference is update cadence: KYU at every 2 weeks against ON AXION's monthly. ON AXION's advantage is 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.

ON AXION ships an update monthly, KYU every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ON AXION | KYU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 63 MB | 64 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pan American Energy LLC](https://appshunter.io/developer/1463083447) | [Involve LLC](https://appshunter.io/developer/1736500585) |

## 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


### KYU

[App page](https://appshunter.io/ios/app/kyu/id6763313632)

**Features:** macOS Compatibility, Apple Wallet, 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 KYU free?

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

### Do ON AXION or KYU have ads?

Neither ON AXION nor KYU shows ads.

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

ON AXION ships an update monthly, and KYU every 2 weeks. Most recently, ON AXION was updated on October 24, 2026 and KYU on October 28, 2026.

---

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