KeepQR vs HashWatcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeepQR
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QR code and barcode storage KeepQR is a practical scanning solution designed for people who need to capture QR codes and barcodes now and review them later. Easy Export: Share scans as CSV files for use in Excel®, Numbers®, LibreOffice or many other programs Collections: Group related scans together for better organization Start scanning on your iPhone, review on your iPad, and access your scans on your Mac. With CloudKit synchronization, your scanned codes are available on all your Apple devices whenever you need them. Need to make QR codes? KeepQR includes a QR code generator supporting various formats - useful for creating inventory labels, contact information, or website links. Key Features - Fast Scanning: Capture codes quickly and efficiently - Batch Scanning: Process multiple codes without interruption - Simple Organization: Keep your scans neatly categorized - Device Sync: Access your scans across all your devices - Universal Export: Compatible CSV format works with standard software Free version of the app allows a limited number of scans and collections to be kept on the device at one time. In-app subscription required for an unlimited number of scans and collections. Subscription may be cancelled at any time. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ * iPhone, iPad, Mac, Numbers are registered trademark of Apple Inc., Excel is a registered trademark of Microsoft Corporation
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
KeepQR and HashWatcher 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.
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. KeepQR sells 2 in-app purchases, starting at $0.99 per month and HashWatcher sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
KeepQR ships an update every 2 weeks, HashWatcher weekly. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.
| Parameter | KeepQR | HashWatcher |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (475 ratings) — better |
| Positive reviews | — | 87.7% of reviews |
| Number of ratings | — | 475 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 9 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Robinson | Engineered Essentials Ventures, LLC |
In-app purchases
KeepQR
- KeepQR Pro (1 Month)$0.991 Month
- KeepQR Pro (1 Year)$8.991 Year
HashWatcher
- Premium Monthly$2.991 Month
- Premium Yearly$19.991 Year
- Lifetime Premium$39.99









