Pubky Ring vs HashWatcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pubky Ring
Securely manage your public keys for decentralized applications. Authorize or revoke access, organize keys across devices, and control active sessions. Maintain self-custody of your identity without accounts or tracking.
- Securely manage public keys
- Authorize/revoke service access
- Organize and sync keys
- View and control active sessions
- Self-custodial identity
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Pubky Ring is the key manager for your identity in the Pubky ecosystem. It lets you securely manage your pubkys—the public keys that power your presence across decentralized apps. Use Pubky Ring to: - Authorize or revoke access to services - Organize and sync your pubkys across devices - View and control active sessions - Stay fully self-custodial, with no accounts or tracking Whether you’re using the Pubky App or any other tool built on Pubky Core, Pubky Ring keeps your identity portable, private, and under your control. Crafted by Synonym Software Ltd.
HashWatcher
Monitor and control a wide range of cryptocurrency mining hardware from a single interface. Track hashrate, power, temperature, and efficiency in real-time. Optimize performance and receive alerts for potential issues.
- Real-time hashrate, power, and temperature monitoring
- Birds-eye fleet view of all mining rigs
- Remote monitoring via HashWatcher Hub
- Overclocking and performance controls for supported miners
- Smart temperature alerts
- Exportable PDF reports for auditing and electricity tracking
- Mac Menu Bar live stats
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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. NEW: 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, 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 in-app purchases: Pubky Ring at none against HashWatcher's 3. Pubky Ring also leads on review sentiment (100% vs 88%) and iOS requirement (15.1 vs 17.6). HashWatcher's advantage is ratings volume (475 vs 3) and update cadence (weekly vs every 3 weeks). On price, rating, ads and device support 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. Pubky Ring asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Pubky Ring against 4.9 for HashWatcher. That said, the two scores are not equally well evidenced: HashWatcher has 475 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 100% of Pubky Ring's written reviews are positive against 88% of HashWatcher's.
Pubky Ring ships an update every 3 weeks, HashWatcher weekly. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.
| Parameter | Pubky Ring | HashWatcher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.9 (475 ratings) |
| Positive reviews | 100.0% of reviews — better | 87.7% of reviews |
| Number of ratings | 3 | 475 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 51 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | Synonym Software Ltd | Engineered Essentials Ventures, LLC |
Customer experience
Pubky Ring
HashWatcher
In-app purchases
Pubky Ring
No in-app purchases
HashWatcher
- Premium Monthly$2.991 Month
- Premium Yearly$19.991 Year
- Lifetime Premium$39.99









