# Duon vs GasKo

Duon and GasKo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Duon ships an update every 9 days, GasKo every 8 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Duon | GasKo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/gasko/id6783273007/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | — | Free |
| Size | 50 MB | 72 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [DUON](https://appshunter.io/developer/1782131775) | [Catalyst Software LLC](https://appshunter.io/developer/6783273009) |

## What reviewers say

### Duon

[App page](https://appshunter.io/ios/app/duon/id6738743494)

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

**In-app purchases:** none


### GasKo

[App page](https://appshunter.io/ios/app/gasko/id6783273007)

Find the cheapest fuel prices and EV charging stations in real-time across the Philippines. Compare prices, track fuel costs, and save money on every fill-up. Drivers can contribute updates and earn rewards.

**Highlights:** Find cheapest gas prices, Compare diesel prices, Locate EV charging stations, Real-time community updates, Earn rewards for contributions, Station details view

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duon free?

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

### Is GasKo free?

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

### Do Duon or GasKo have ads?

Neither Duon nor GasKo shows ads.

### Which is updated more often, Duon or GasKo?

Duon ships an update every 9 days, and GasKo every 8 days. Most recently, Duon was updated on October 9, 2026 and GasKo on October 5, 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.*