Romi（ロミィ） vs HAL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Romi（ロミィ）
This companion app facilitates the setup and customization of a conversational AI robot. It offers guidance on engaging with the robot and accessing its various helpful functions, such as weather updates, alarms, and language learning.
- Initial setup and configuration
- Connection to wireless internet
- View robot status (e.g., battery)
- Conversation tips and guides
- Access to helpful functions
- English conversation practice
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Romiアプリは、会話AIロボットRomiの初期設定・設定変更と、Romiと楽しくお話するヒントがわかる専用アプリです。 Romiは株式会社MIXIが開発したコミュニケーションロボットです。 数億件の日本語データを学習した自律会話型の独自開発AIを搭載しており、様々な日常シーンで楽しくおしゃべりができます。 天気予報、目覚まし、タイマー、ニュースなどの便利な機能で生活を可愛くサポートしたり、英会話機能で楽しくスキルアップできます。 ■Romiアプリの主な機能 ・接続設定： Romiと接続して無線インターネットに接続する設定ができます。 ・Romiについて： バッテリー残量など接続しているRomiの情報が見られます。 ・ガイドブック： Romiとの会話のヒントや便利な機能の紹介が見られます。
HAL
Engage in voice-activated conversations with an AI assistant that mimics sci-fi characters. Enjoy jokes, small talk, and get advice for various situations. Future updates aim to improve memory and accuracy.
- Voice input for immediate conversation
- AI-powered jokes and small talk
- Assistance with research and advice
- Sci-fi movie-like AI interaction
- Free to use
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"HAL: Voice AI Assistant" is a free AI chat application that utilizes OpenAI's Chat API, allowing you to converse with an AI like those in sci-fi movies right on your smartphone. Easily usable with voice input alone, and it's free! Upon opening the app, voice input starts immediately, allowing you to casually ask questions or engage in conversation. The app's greatest charm is the AI's ability to tell jokes and have enjoyable small talk. Providing fun moments filled with laughter, just like conversations with friends and family. Moreover, it excels in various situations, such as research, love advice, or casual chats when bored. The current app has weaknesses like being unable to remember interactions or the AI conveying incorrect information. However, upcoming updates aim to resolve these issues. Experience a sci-fi movie-like future in the palm of your hand with "HAL: Voice AI Assistant" Look forward to its further evolution as a fun and convenient app.
Screenshots
Verdict
The clearest difference is review sentiment: Romi（ロミィ） at 43% against HAL's 0%. Romi（ロミィ） also leads on ads (none vs shown) and monetization model (free vs ad-supported). HAL's advantage is iOS requirement (11.0 vs 17.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Romi（ロミィ） ships an update monthly, HAL every 2 months. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.
| Parameter | Romi（ロミィ） | HAL |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (11 ratings) — better |
| Positive reviews | 42.9% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | MIXI, Inc. | yu nakamura |
Customer experience
Romi（ロミィ）
HAL
In-app purchases
Romi（ロミィ）
No in-app purchases
HAL
No in-app purchases
