Visa Nippon vs ProseKey AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Visa Nippon
This application simplifies the creation of work visa applications, allowing users to input information on their smartphone from anywhere. It guides users through a question-and-answer process to generate visa applications quickly and easily, supporting various visa types.
- Free work visa application creation
- Smartphone-based data entry
- Easy question-and-answer interface
- Supports 'Specified Skilled Worker' visa
- Supports 'Engineer/Specialist in Humanities/International Services' visa
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“Visa Nippon” makes it possible to create a work visa application for free as easily and quickly as possible. We will complete a work visa based on the application information you entered from the app. ▼Supports smartphone apps You can enter your information anywhere, anytime across borders with the smartphone app. If you don't have a computer, you can easily create a visa application. ▼Easy operation without instructions You can create a visa application surprisingly smoothly by answering the questions that appear one by one. ▼Support "Specified Skilled Worker" visa We support visa for "Engineer/Specialist in Humanities/International Services" as well as "Specified Skilled Worker".
ProseKey AI
Enhance your mobile writing with an AI-powered keyboard. It offers instant proofreading, effortless rewriting, quick summarization, and text-to-table conversion. Connect your own API keys for personalized AI assistance across all your apps.
- Instant proofreading
- Effortless rewriting
- Quick summarization
- Text-to-table conversion
- Custom AI instructions
- Third-party keyboard integration
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Transform your mobile writing experience with ProseKey AI! This powerful iOS keyboard integrates cutting-edge AI directly into your typing workflow, helping you communicate more effectively, wherever you write. Unlock AI Superpowers for Your Text: - Instant Proofreading: Catch grammar mistakes and typos before you hit send. - Effortless Rewriting: Rephrase sentences for clarity, adjust the tone, or change the length with a tap. - Quick Summarization: Condense long articles or messages into key points instantly. - Text-to-Table Conversion: Magically organize information by converting selected text into a structured table. - Custom Instructions: Define your own unique AI prompts and access them directly from the keyboard for personalized assistance. Flexible AI Integration: ProseKey AI seamlessly integrates as a third-party keyboard on your iPhone. Choose your preferred AI engine by connecting your own API keys from leading providers like Gemini, Mistral, and various OpenAI-compatible APIs. This gives you full control over the AI models powering your writing assistance. Get Started: Simply install the keyboard, give it the required permissions, add your API key(s) in the companion app, and start enhancing your writing across all your favorite apps – Mail, Messages, Notes, social media, and more! Please note that an API key is essential for the AI capabilities to function. The app provides instructions on how to acquire this.
Screenshots
Verdict
The clearest difference is update cadence: ProseKey AI at fortnightly against Visa Nippon's every 31 months. Visa Nippon's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Visa Nippon ships an update every 31 months, ProseKey AI fortnightly. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | Visa Nippon | ProseKey AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 31 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 27 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | KTC.CO.,Ltd | Arya Mirsepasi |
Customer experience
Visa Nippon
ProseKey AI
In-app purchases
Visa Nippon
No in-app purchases
ProseKey AI
No in-app purchases









