Comparison

Theia OLED Viewer vs HashGrid

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Theia OLED Viewer

Features
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Theia transforms your device into a stylish, real-time status display. Designed with a blend of modern UI polish and classic LCD aesthetics, Theia gives you a clear, customizable window into your system’s current state. Choose from multiple display modes, enable glow or scanline effects, and apply dynamic themes ranging from minimalist to vibrant. Parallax motion, smooth animations, and refined typography create a unique visual experience that feels both retro and modern. Whether you prefer a clean textual readout or a bold pixel-grid style, Theia adapts to your taste with simple, intuitive controls. Features include: • Live status updates with smooth rendering • Customizable themes with unique background effects • Multiple display modes, including clean, dot-matrix, pixel-grid, and more • Optional glow and scanline effects • Parallax motion for depth and dimensionality • Optimized layouts for iPhone and iPad • Lightweight, responsive design Theia brings a distinctive, elegant way to visualize real-time information — wherever you need it. Requires a Theia module to display LCD data.

About

HashGrid

Monitor and control your cryptocurrency mining hardware in real-time. Track hashrate, power, temperature, and efficiency across your entire operation. Manage pools, update firmware, and receive smart alerts for optimal performance.

Highlights
  • Real-time hashrate, temperature, and power monitoring
  • Zero-configuration network discovery of miners
  • Smart mining and pool detection
  • Solo mining profitability calculator
  • Pool management and frequency/voltage tuning
  • Firmware updates and smart alerts
  • Customizable home screen widgets
Features
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Monitor Your Mining Swarm with Precision. HashGrid is the ultimate command center for your home mining operation. Whether you run a single BitAxe or a full swarm of miners, get real-time visibility into every hash, watt, and degree. Designed for efficiency and aesthetics, HashGrid transforms raw data into a beautiful, actionable dashboard. SUPPORTED HARDWARE: - BitAxe (all models — Gamma, GammaTurbo, Supra, Ultra, Max, Hex, NerdQAxe) - Canaan Avalon Q (full per-board monitoring and power controls) - Canaan Avalon Nano 3S (LED control, chip-level temps, work modes) - Hammer Miners (DC02, DC04, DC06 — Scrypt mining for LTC & DOGE) KEY FEATURES: Real-Time Monitoring - Live hashrate tracking with sparkline charts that update every few seconds - Temperature, power, and fan speed monitoring across your entire fleet - Per-board stats for Avalon Q — temps, hashrates, and voltages for all 3 boards - Efficiency metrics (J/TH) to optimize for profitability Zero-Configuration Discovery - Auto-scans your local network to find all compatible miners instantly - No manual IP entry required — supports BitAxe, Avalon, Hammer, and Antminer detection Smart Mining Detection - Automatically identifies solo vs. pool mining across 50+ known pool domains - Per-miner manual override for custom setups Solo Mining Calculator - Multi-coin profitability analysis for BTC, BCH, DGB, LTC, and DOGE - Live coin prices - One-tap auto-fill hashrate from your miner fleet - Block probability breakdown by day, month, and year Solo Luck Tracking - BTC, BCH, and DGB luck stats for SHA-256 miners - LTC and DOGE luck stats for Scrypt miners (Hammer) - Live data from network APIs with offline caching Complete Control - Pool management — add, remove, swap, and prioritize pools directly from the app - Frequency and voltage tuning for BitAxe overclocking - Work mode switching for Avalon (Low, Normal, High) and Hammer (Normal, Custom) - Time-based scheduling for Avalon work modes with per-day control - Power on/off and standby mode for Avalon Q - LED customization for Avalon Nano 3S (color, brightness, effects) - Remote reboot for any miner without leaving your couch Firmware Management - Browse firmware versions from GitHub releases - Per-device or bulk fleet updates for all your Axe miners Smart Alerts - Offline notifications when a miner drops off the network - High temperature and VReg overheating warnings - Pool failover detection - New difficulty achievement alerts Beautiful Widgets - Home screen widget with fleet hashrate, status, temps, and sparkline - Single-miner widget for detailed individual monitoring - Staleness indicator warns when widget data needs a refresh - Lock screen support for critical metrics at a glance Custom Themes - 9 stunning built-in themes including Aurora, Synthwave, Titanium, and OLED - Full theme editor for premium users — build your own look Backup & Restore - Backup & restore app settings. - All miner data and settings persist automatically Private & Secure - 100% local operation — your data never leaves your network - No cloud servers, no accounts, no tracking - Direct connection to your hardware for maximum security Download HashGrid today and take control of your hashrate. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Theia OLED Viewer4 screens
HashGrid4 screens

Verdict

The call

The clearest difference is in-app purchases: Theia OLED Viewer at none against HashGrid's 2. Theia OLED Viewer also leads on update cadence (every 3 days vs every 5 weeks). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HashGrid sells 2 in-app purchases, starting at $2.99 per month. Theia OLED Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Theia OLED Viewer ships an update every 3 days, HashGrid every 5 weeks. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

Scorecard2 real differences · 8 level
Theia OLED Viewer versus HashGrid: the parameters behind the verdict, then further details
ParameterTheia OLED ViewerHashGrid
PriceFreeFree
Rating—3.1 (14 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—14 — better
Update frequencyEvery 3 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size10 MB10 MB
Age rating4+4+
DeveloperPatrick FoleyNick Warner

In-app purchases

None

Theia OLED Viewer

No in-app purchases

2 purchases

HashGrid

Subscriptions1
  • HashGrid Pro Monthly$2.991 Month
One-time1
  • Premium Lifetime$9.99

Questions

Is Theia OLED Viewer free?
Theia OLED Viewer is free to download, with no in-app purchases.
Is HashGrid free?
HashGrid is free to download, with in-app purchases available.
Do Theia OLED Viewer or HashGrid have ads?
Neither Theia OLED Viewer nor HashGrid shows ads.
Which is updated more often, Theia OLED Viewer or HashGrid?
Theia OLED Viewer ships an update every 3 days, and HashGrid every 5 weeks. Most recently, Theia OLED Viewer was updated on October 14, 2026 and HashGrid on October 22, 2026.

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