Keystone Nexus vs HashWatcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keystone Nexus
Manage your digital assets securely with this companion app for a hardware crypto wallet. It offers multi-chain support, an intuitive interface, and full control over your assets, syncing across mobile and the hardware device.
- Multi-chain asset management
- Intuitive user interface
- Full asset control and ownership
- Syncs with hardware wallet
- Send and receive digital assets
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**The next evolution in secure crypto management.** Keystone Nexus is the official companion app for the **Keystone 3 PRO**, delivering seamless and secure management of your digital assets. **Key Features:** - **Multi-Chain Support:** Send, receive, and manage your digital assets seamlessly. - **Simple & Intuitive Design:** User-friendly interface tailored for both crypto beginners and pros. - **Ultimate Control:** Your assets. Maintain full ownership and security at all times. - **Stay Synced:** Manage your crypto portfolio securely across mobile and the Keystone 3 PRO hardware wallet. **Need Help?** For questions or support, contact us at: **support@keyst.one** Learn more: [https://keyst.one](https://keyst.one/)
HashWatcher
Monitor and control your Bitcoin mining hardware fleet from a single, intuitive interface. Optimize performance, track key metrics, and receive alerts for your mining operations. Integrates with solar power systems for smarter energy management.
- Fleet monitoring dashboard
- Real-time hashrate, power, temp tracking
- Miner controls (overclocking, modes)
- Solar power integration
- Remote monitoring via Hub/Gateway
- Alerts for temperature, anomalies, etc.
- iOS widgets and Apple Watch support
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HashWatcher is a fast, local-first dashboard for monitoring and controlling Bitcoin mining hardware from one clean view. Track your entire fleet without filling your Home Screen with IP shortcuts. See hashrate, power, temperature, efficiency, uptime, pool status, and alerts across all supported miners. SolarWatcher Use solar, battery, grid, and home-load data to run miners smarter. SolarWatcher can help supported miners follow available surplus power, protect battery reserve, and automatically step between Low Power, Eco, Standard, and Super modes. Supported SolarWatcher integrations include Victron VRM, Home Assistant, Enphase IQ Gateway, APsystems EZ1, EcoFlow, Solar Assistant, and SolarEdge where configured. Fleet Monitoring -Bird’s-eye view of all miners -Real-time hashrate, power, temp, efficiency, uptime, and status -Charts and local telemetry history -Miner detail dashboards for troubleshooting -Temperature, VR temp, anomaly, block-found, and best-difficulty alerts Miner Controls -Overclocking and performance modes for supported solo miners -Braiins OS, LuxOS, VNish, BitAxe-family, NMMiner/NerdQaxe, Canaan, FutureBit, Lucky Miner, Hammer, HarloOS, Zyber, and Bitdsk support -Supported Canaan controls including work modes, fan controls, LED/LCD options, and scheduling -Supported Antminer-class devices when running compatible firmware such as Braiins OS, LuxOS, or VNish Remote Monitoring -HashWatcher Hub/Gateway lets you monitor miners away from home through a private remote-access path. No port forwarding or dynamic DNS required. -Reports and Tools -Daily PDF reports -Maintenance planning and reminders -Energy and output tracking -Leaderboards and performance comparison -iOS widgets, Lock Screen widgets, Apple Watch support, and Mac menu bar stats Supported examples include BitAxe Max, Ultra, Supra, Gamma, Gamma Turbo, Supra Hex, NerdQAxe+, NerdQAxe++, NerdQAxe+ Hydro running ESP-Miner, LuckyMiner LV06/LV08, Canaan Avalon Nano 3/Nano 3S, Avalon Q, Avalon Mini 3, Antminer S21/S19/S17-series devices and Braiins BMM101 devices.... and more. Privacy HashWatcher reads miner data directly from devices you configure. Optional cloud-backed features are used only for services such as Hub connectivity, alerts, leaderboards, and app features that need them. HashWatcher does not mine cryptocurrency. It monitors and manages supported mining hardware. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: HashWatcher at 87% against Keystone Nexus's 40%. HashWatcher also leads on ratings volume (491 vs 9) and rating (4.9 vs 4.6). Keystone Nexus's advantage is in-app purchases (none vs 3). On price, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. HashWatcher sells 3 in-app purchases, starting at $2.99 per month. Keystone Nexus asks for nothing beyond the download.
HashWatcher holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: HashWatcher has 491 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 40% of Keystone Nexus's written reviews are positive against 87% of HashWatcher's.
Keystone Nexus ships an update fortnightly, HashWatcher every 5 days. Both last shipped on October 30, 2026.
| Parameter | Keystone Nexus | HashWatcher |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (9 ratings) | 4.9 (491 ratings) — better |
| Positive reviews | 40.0% of reviews | 87.0% of reviews — better |
| Number of ratings | 9 | 491 — better |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 16.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 54 MB | 215 MB |
| Age rating | 4+ | 4+ |
| Developer | YANSSIE HK LIMITED | Engineered Essentials Ventures, LLC |
Customer experience
Keystone Nexus
HashWatcher
In-app purchases
Keystone Nexus
No in-app purchases
HashWatcher
- Premium Monthly$2.991 Month
- Premium Yearly$19.991 Year
- Lifetime Premium$39.99









