# ETH Gas Tracker & Alerts vs DuelCodex

The clearest difference is ads: ETH Gas Tracker & Alerts at none against DuelCodex's shown. DuelCodex's advantage is update cadence (every 6 days vs every 3 weeks). On price, in-app purchases, device support 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.

ETH Gas Tracker & Alerts ships an update every 3 weeks, DuelCodex every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ETH Gas Tracker & Alerts | DuelCodex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (35 ratings)](https://appshunter.io/ios/app/eth-gas-tracker-and-alerts/id6444177446/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 36 MB | 54 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ismail Onur](https://appshunter.io/developer/1652834736) | [Phuc Pham](https://appshunter.io/developer/6808297224) |

## What reviewers say

### ETH Gas Tracker & Alerts

[App page](https://appshunter.io/ios/app/eth-gas-tracker-and-alerts/id6444177446)

Monitor Ethereum network transaction fees in real-time. Set custom alerts for when gas prices (GWEI) drop to a desired level, enabling cheaper transactions. Stay informed about network conditions to optimize your Ethereum trades.

**Highlights:** Real-time GWEI tracking, Customizable transaction fee alerts, Optimize Ethereum transactions, Monitor network gas prices, Low fee transaction notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### DuelCodex

[App page](https://appshunter.io/ios/app/duelcodex/id6808297222)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ETH Gas Tracker & Alerts free?

ETH Gas Tracker & Alerts is free to download, with no in-app purchases.

### Is DuelCodex free?

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

### Do ETH Gas Tracker & Alerts or DuelCodex have ads?

DuelCodex shows ads; ETH Gas Tracker & Alerts does not.

### Which is updated more often, ETH Gas Tracker & Alerts or DuelCodex?

ETH Gas Tracker & Alerts ships an update every 3 weeks, and DuelCodex every 6 days. Most recently, ETH Gas Tracker & Alerts was updated on October 30, 2026 and DuelCodex on October 31, 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.*