NanthAi vs MSG Reader · Converter, Opener
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NanthAi
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The AI you need at the price you want. Write, research, create and get work done with hundreds of AI models in one app. CHOOSE HOW YOU RUN YOUR AI Connect OpenRouter to access 300+ models, including OpenAI's GPT models, Claude, Gemini, Llama and Mistral. Pay for what you use, with no markup from NanthAI. Or connect Codex and Pi on your Mac with NanthAI Runtime and Pro. Use your existing provider accounts or local models configured through Pi, and work from your iPhone or iPad. PUT YOUR AI MODELS TO WORK TOGETHER Bring models and Personas into the same conversation. Have one draft, another critique, and others build on the ideas. Cloud and Mac participants can collaborate in one thread. EXPLORE EVERY DIRECTION Branch from any message to try another approach without losing the original. Organise chats into folders and continue across your devices. YOUR MODELS, YOUR SETTINGS Filter models by capability and price. Adjust creativity, response length and reasoning effort where supported. PRO TOOLKIT • £4.99 ONCE Core chat is free. A single purchase adds: • PERSONAS — Create AI specialists with custom instructions, models and tools. • AUTONOMOUS DISCUSSIONS — Let AI participants debate, brainstorm and develop ideas together. • MEMORY — Carry useful facts and preferences between conversations. Review, edit and pin what matters. • DOCUMENTS & KNOWLEDGE — Upload files, ask questions and explore answers with quote-backed citations. • CREATION & ANALYSIS — Make Word documents, Excel spreadsheets and PowerPoint presentations. Analyse data and build charts. • IMAGES, VIDEO & AUDIO — Generate images, video, music and speech with supported models. • DEEP RESEARCH — Explore the web and academic papers to produce structured reports with sources. • INTEGRATIONS — Work with Microsoft 365, Notion, Slack, Cloze and Apple Calendar through natural-language requests. • SCHEDULED JOBS — Automate recurring briefings, research and other AI tasks. • IDEASCAPES — Arrange conversations on a visual canvas to see how ideas connect. • MAC RUNTIME — Send work to Codex or Pi on your Mac, follow progress and bring published results into your chats. NanthaI has no recurring subscription. AI-provider usage and third-party subscriptions are charged separately. Mac runtime requires an awake and connected Mac, NanthAI Runtime, and separately configured Codex or Pi. BUILT FOR DAILY USE Full iPad support, keyboard shortcuts, dark mode and seven languages. Continue your conversations on Android and the web.
MSG Reader · Converter, Opener
Easily open, read, and convert email files like .msg, .eml, and .emlx on your Apple devices. View attachments, message details, and authentication results. Convert messages to PDF, HTML, or text, and manage them offline.
- Open MSG, EML, EMLX files
- View and save attachments
- Inspect message headers and authentication
- Convert to PDF, HTML, text, EML, MBOX
- Offline functionality
- Add calendar invites and contacts
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MSG Viewer Reader | MSG to PDF, EML is the easiest way to open, read, and convert email files on your iPhone, iPad, and Mac. Got a .msg, .eml, or .emlx file you can't open? MSG Viewer shows it exactly as it was sent — sender, recipients, date, formatted body, and every attachment. KEY FEATURES • Open .msg, .eml, and .emlx email files from Files, Mail, Safari, AirDrop, and any other app • See each message exactly as sent — formatted or plain text • View, preview, and save every attachment • Open embedded and nested messages • Search by subject or sender, sort, and group into conversations • Add calendar invites (.ics) and contacts (.vcf) to your device • Works fully offline — nothing is ever uploaded INSPECT EVERY DETAIL • Full message headers and hop-by-hop delivery routing • SPF, DKIM, and DMARC authentication results • Message-ID and complete metadata • Built for IT, support, analysts, and anyone who needs the facts CONVERT & EXPORT • Turn messages into PDF, HTML, text, EML, or MBOX. MSG to PDF. • Combine many messages into one file • Include attachments and add page numbers • Share anywhere with the system share sheet PRIVATE BY DESIGN Your messages never leave your device. No account, no sign-in, no tracking. Everything happens on-device, even offline. MSG Viewer turns a file you couldn't open into something you can read, search, verify, and convert in seconds.
Screenshots
Verdict
The clearest difference is device support: MSG Reader · Converter, Opener at 4 against NanthAi's 2. MSG Reader · Converter, Opener also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and in-app purchases 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. NanthAi sells 1 one-off in-app purchase and MSG Reader · Converter, Opener sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
NanthAi ships an update every 4 days, MSG Reader · Converter, Opener every 6 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | NanthAi | MSG Reader · Converter, Opener |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 4 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | FERDINANDO VALSECCHI | RUSH TOOLS LLC |
In-app purchases
NanthAi
- NanthAi:Edge Pro$4.99
MSG Reader · Converter, Opener
- MSG Viewer Pro - Weekly3 Days trial$4.997 Days
- MSG Viewer Pro — Yearly$44.991 Year
Questions
Is NanthAi free?
Is MSG Reader · Converter, Opener free?
Do NanthAi or MSG Reader · Converter, Opener have ads?
Which is updated more often, NanthAi or MSG Reader · Converter, Opener?
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