With the recent shutdown of GasNow, users across the Ethereum ecosystem are actively seeking reliable alternatives for accurate gas price forecasting. Once a go-to service for real-time transaction cost estimation, GasNow offered browser extensions, mobile apps, desktop widgets, and APIs — all powered by aggregated mempool data from SparkPool, enabling faster and more precise predictions than many historical-data-based tools.
Although the team ceased operations on October 16, the gap they left has opened opportunities for other platforms to step in. While no single solution currently matches GasNow’s breadth of features and integration options, several strong alternatives now offer comparable — and in some cases, even improved — functionality across different use cases.
This article explores the top tools available today that can effectively replace GasNow, categorized by usage type: browser extensions, mobile/desktop apps, web interfaces, and API services.
Why GasNow Was So Popular
GasNow stood out due to its real-time data processing, low-latency updates, and seamless user experience across multiple platforms. Its browser extension integrated directly with MetaMask, displaying current gas prices without requiring users to open a new tab or adjust settings manually.
Additionally, developers appreciated its lightweight API, which enabled automation via scripts — such as iOS Shortcuts — allowing one-tap access to live Ethereum network conditions.
👉 Discover how real-time blockchain data can enhance your crypto experience
However, since the service relied heavily on domestic mining pool infrastructure, regulatory shifts may have contributed to its discontinuation. Regardless of the cause, the demand for fast, accurate gas tracking remains high — and several platforms are stepping up to meet it.
Best Browser Extension: Blocknative Ethereum Gas Estimator
For users who relied on GasNow’s browser plugin, Blocknative offers the closest alternative with its Ethereum Gas Estimator extension for Chrome and Brave browsers.
Launched in September 2025, this tool provides real-time gas price estimates updated every 5 seconds in its free version. Unlike GasNow, which only supported legacy transaction types, Blocknative covers both traditional transactions and EIP-1559-compliant ones, giving users better insight into optimal fee structures under modern Ethereum standards.
The extension displays a clear numeric readout right in the toolbar, showing current low/average/high gas rates. Clicking on it reveals detailed breakdowns including estimated confirmation times and network congestion levels — all powered by Blocknative’s proprietary Mempool-to-API pipeline.
This makes it ideal for active traders, DeFi users, and anyone looking to minimize fees while ensuring timely execution.
Mobile & Desktop Widget Option: Zerion Wallet
If you used GasNow’s mobile app or iOS widget, Zerion Wallet is one of the few apps that supports iOS home screen widgets for gas price monitoring.
By adding the Zerion widget to your iPhone or iPad home screen, you can view real-time Ethereum gas fees at a glance. While iOS system limitations mean updates occur at minute-level intervals (not true real-time), this delay is acceptable for tracking general trends rather than split-second fluctuations.
Zerion pulls data from third-party aggregators, so accuracy depends on upstream sources. However, its clean interface and wallet integration make it a solid choice for mobile-first users who want both asset management and network condition visibility in one place.
👉 Stay ahead of network congestion with smart gas tracking tools
Desktop App Alternative: MathGas by MathWallet
For macOS users seeking a dedicated desktop application, MathGas from MathWallet delivers a minimalist yet effective solution.
MathGas supports multiple networks including Ethereum, BSC, Polygon, Fantom, OKXChain, and Heco, though Ethereum remains the primary use case given its volatile gas market. The app runs in the menu bar, providing constant visibility of current gas prices with customizable alerts.
While not as widely adopted as other tools, MathGas fills a niche for desktop traders who prefer native applications over browser-based solutions. It's particularly useful for those managing cross-chain portfolios but still needing precise Ethereum fee forecasts.
Web-Based Tools: Etherscan, ETH Gas Station, and OKLink
For users who prefer checking gas prices through a web browser, several established platforms remain reliable:
- Etherscan: As one of the most trusted block explorers, Etherscan includes a built-in Gas Tracker that shows real-time fee recommendations based on network activity.
- ETH Gas Station: A long-standing community favorite, it provides detailed analytics on pending transactions and confirmation time estimates.
- OKLink: Offers multi-chain support with intuitive visualizations and historical comparisons.
These tools are accessible without installation but generally lack the immediacy of browser extensions or widgets. Still, they serve well for occasional users or those conducting deeper analysis.
API Services for Developers: Etherscan, Blocknative, and ETH Gas Station
Developers who previously used GasNow’s API will find several robust alternatives:
- Blocknative Gas Platform API: Provides real-time mempool insights with high-frequency updates. Ideal for integrating into trading bots or custom dashboards.
- Etherscan API: Free to use with rate limits; widely adopted due to reliability and documentation quality.
- ETH Gas Station API: Offers simple JSON responses with fast response times, suitable for lightweight applications like mobile shortcuts or Telegram bots.
All three support standard HTTP requests and can be easily incorporated into Python scripts, iOS Shortcuts workflows, or browser automation tools.
While none yet match GasNow’s combination of speed and simplicity, ongoing improvements suggest these platforms will continue evolving to meet developer needs.
👉 Integrate real-time blockchain data into your own workflows
Frequently Asked Questions (FAQ)
Q: Why did GasNow shut down?
A: While the team hasn’t released an official statement detailing the reasons, speculation points to potential regulatory pressures related to its data sourcing from Chinese mining pools. The shutdown occurred on October 16, 2025.
Q: Are there any tools that offer real-time mempool data like GasNow?
A: Yes — Blocknative and Etherscan both aggregate live mempool data to provide near real-time gas estimates. Blocknative’s plugin updates every 5 seconds and is currently one of the fastest available.
Q: Can I still get gas price alerts on my phone?
A: Absolutely. Zerion offers iOS home screen widgets that update periodically with current gas rates. Third-party apps using Etherscan’s API can also be configured to send push notifications.
Q: Is there a free API I can use for personal projects?
A: Yes. Both Etherscan and ETH Gas Station offer free tiers for their gas price APIs. They’re perfect for hobbyist developers building tools like iOS shortcuts or Discord bots.
Q: Do any of these tools support EIP-1559 fee estimation?
A: Yes — Blocknative explicitly supports EIP-1559 transaction modeling, providing base fee and priority fee breakdowns. Etherscan also displays this information in its gas tracker section.
Q: Which tool is best for automated trading strategies?
A: Blocknative’s API stands out for algorithmic traders due to its low-latency mempool monitoring and predictive analytics capabilities.
Final Thoughts
While no single tool today fully replicates the breadth of GasNow’s multi-platform presence and precision, the ecosystem has responded quickly with capable alternatives. Whether you're a casual user checking fees before a swap or a developer building automated systems, there are now solid options across every category — browser extensions, mobile widgets, desktop apps, web dashboards, and APIs.
As Ethereum continues to evolve, so too will the tools that support it. Staying informed about these services ensures you can transact efficiently, avoid overpaying, and maintain control over your on-chain activity.
Core Keywords: Ethereum gas price prediction, GasNow alternative, real-time gas tracker, EIP-1559 gas estimation, mempool data API, browser extension for gas fees, Ethereum network congestion