Comparison

NuWatt vs Odysseus

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

Head to head
About

NuWatt

This AI-powered platform unifies solar production, consumption, and smart devices for comprehensive energy monitoring and optimization. It provides financial insights, predictive maintenance, and cross-brand equipment compatibility analysis.

Highlights
  • AI energy intelligence
  • Solar & energy monitoring
  • Financial & CO₂ performance tracking
  • Equipment intelligence
  • Smart device integration
  • Predictive maintenance & alerts
  • Installer support & ticketing
Features
Read full description

NuWatt | AI Energy Intelligence Monitor. Understand. Optimize your energy. NuWatt is an AI powered energy intelligence platform that connects solar, batteries, consumption, grid, weather, equipment, and smart devices in one place. Built for energy users and installers, NuWatt turns real time energy data into monitoring, forecasts, financial insights, predictive maintenance, and intelligent actions. Key Features Solar & Energy Monitoring Monitor any type of site, including residential, commercial, industrial, agricultural, and utility scale systems. Track solar production, consumption, batteries, grid activity, system health, energy flows, and historical performance in near real time. AI Energy Intelligence NuWatt’s AI core learns how your site operates, identifies abnormal behavior and energy losses, forecasts performance, and provides recommendations to improve energy usage and system efficiency. Financial & CO₂ Performance Understand the financial side of your energy system with estimated savings, revenue, energy value, losses, and performance reporting, alongside energy production, consumption, and estimated CO₂ impact. Equipment Intelligence Add equipment datasheets and technical specifications to create a deeper understanding of each site. NuWatt compares expected specifications with real time performance to identify gaps, compatibility considerations, and potential issues. Smart Devices & Energy Optimization Connect supported smart devices and give NuWatt a fuller understanding of how energy is used across your site. Our AI core helps recommend when connected devices should operate based on available energy, consumption patterns, forecasts, and site conditions. Predictive Maintenance & Smart Alerts Detect performance drops, abnormal behavior, battery conditions, equipment issues, and potential maintenance needs earlier through continuous system analysis and intelligent alerts. Real Time Installer Support & Ticketing Stay connected with your installer through integrated ticketing. Report issues, share system data, follow maintenance requests, and track progress directly from NuWatt. Installer Management Platform Installers can manage customers, sites, assets, alerts, tickets, maintenance, system health, performance, and business opportunities across their entire portfolio from one platform. Digital Twin & Post Installation Design Create a digital representation of installed systems to understand site configuration, document equipment, support post installation design, and compare compatibility between devices and components from different brands. Cross Brand Energy Platform Connect supported inverters, batteries, meters, and energy devices from different manufacturers into one unified platform instead of managing separate monitoring applications. Weather & Energy Forecasting Combine real time site data with weather and forecasting to understand expected solar production, energy availability, consumption patterns, and upcoming performance conditions. Built for the Future of Energy NuWatt is building the intelligent layer connecting energy systems, users, installers, smart devices, and eventually energy markets. Starting with monitoring and intelligence, NuWatt is evolving toward autonomous energy optimization, orchestration, and smarter participation in the future energy ecosystem.

About

Odysseus

This native application connects to your self-hosted AI server, offering a private and secure way to interact with your models. It provides a full AI workspace with features like notes, a calendar, email client, and document integration, all within a customizable interface.

Highlights
  • Native chat with live streaming
  • Connect to various AI models
  • AI workspace with notes, calendar, email
  • Built-in agent tools
  • Customizable themes and languages
  • On-device voice capabilities
  • Optional app lock
Features
Currently charting
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Odysseus is your self-hosted AI, as a real native app. It's a fast, 100% native app (no WebView) for your own Odysseus / Open WebUI server. Bring your models, your data and your privacy — and talk to them from a beautiful iPhone and Mac app. WHAT YOU GET • Native chat with live streaming, full Markdown, tables and code — never a wrapped web page. • Connect any model: OpenRouter, Ollama, local llama.cpp, and other compatible endpoints. • A real AI workspace, not just a chatbot: notes, calendar, a built-in email client (IMAP/SMTP), personal documents (RAG) and image generation. • 68 built-in agent tools — code, web search, documents, multi-agent, email and calendar. • Compare two models side by side, and run Deep Research with a native report view. MAKE IT YOURS • 34 languages, including right-to-left (Arabic, Persian, Urdu, Pashto). Auto-detects your device language. • 16 themes, custom fonts and animated backgrounds. PRIVACY FIRST • It's YOUR server. Odysseus only talks to the address you configure — nothing is sent to us. • On-device voice (speech-to-text and text-to-speech). • Optional Face ID / Touch ID app lock. Note: Odysseus is a client for a self-hosted Open WebUI / Odysseus server. You need your own server to sign in.

Screenshots

NuWatt4 screens
Odysseus4 screens

Verdict

The call

NuWatt and Odysseus both sit at 5.0 stars, but that hides the real split: 100% of NuWatt's written reviews are positive against 50% of Odysseus's. NuWatt also leads on price (Free vs $2.99) and ratings volume (3 vs 1). Odysseus's advantage is update cadence (weekly vs monthly) and chart position (#167 vs unranked). On rating, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

NuWatt is free to download; Odysseus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for NuWatt against 5.0 for Odysseus. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews are what separate them: 100% of NuWatt's written reviews are positive against 50% of Odysseus's.

UpkeepUpdate frequency

NuWatt ships an update monthly, Odysseus weekly. Both last shipped on November 5, 2026.

Scorecard6 real differences · 5 level
NuWatt versus Odysseus: the parameters behind the verdict, then further details
ParameterNuWattOdysseus
PriceFree — better$2.99
Rating5.0 (3 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings3 — better1
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#167 — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.1 — better17.0
Further details — not scored
Size87 MB23 MB
Age rating17+4+
DeveloperAli Zein AldineJoao Victor Zao

Customer experience

NuWatt

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Odysseus

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

NuWatt

No in-app purchases

None

Odysseus

No in-app purchases

Questions

Is NuWatt free?
NuWatt is free to download, with no in-app purchases.
Is Odysseus free?
Odysseus costs $2.99, with no in-app purchases.
Which has better reviews, NuWatt or Odysseus?
NuWatt and Odysseus are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do NuWatt or Odysseus have ads?
Neither NuWatt nor Odysseus shows ads.
Which is updated more often, NuWatt or Odysseus?
NuWatt ships an update monthly, and Odysseus weekly. Most recently, NuWatt was updated on November 5, 2026 and Odysseus on November 5, 2026.

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