ACUAH vs RobotVRM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACUAH
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Create a character assistant with your "likes". Supports speech recognition and voice response. This is a character assistant application that can be customized freely by the user. Various functions such as alarm, music playback, notepad, QR code reader, photo, photo album, phone dial-out, AI LLM (ChatGPT, Gemini, Claude, Llama, Grok) conversation. And we will continue to add various functions in the future. Using the app for the first time: https://acuah.info/docs/acuah-manual-en/first-launch For more information, please visit the ACUAH website (https://acuah.info) before use. And you can purchase pseudo hologram smartphone stands. - If you want to freely replace dialogue scenarios, voice data, etc.! Please use the dedicated data replacement tool "ACUAH editor". It is free for non-commercial use. https://riemgoshawk.booth.pm/items/3389501
RobotVRM
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This app transforms your smartphone into an AI robot with VRM characters. Purchase the "RobotVRM Car" hardware to make VRM characters move autonomously based on AI decisions. RobotVRM Car https://shop.robotvrm.com/products/robotvrm-car Multiple movements are available for you to choose from. New movements and characters are regularly released and updated according to the latest AI developments! You can also customize characters and backgrounds! ****** IMPORTANT ****** This app requires separate OpenAI or Anthropic API keys. * Long-term usage may incur high API costs. Please refer to the RobotVRM list overview in the app for cost estimates. ****** IMPORTANT ****** RobotVRM founder saten's X account https://x.com/saten_work This app is based on Nike-chan's aituber-kit (MIT License era, before 2024/9/25), which was built upon pixiv's open-source ChatVRM. Nike-chan's X account https://x.com/tegnike aituber-kit (MIT License era, before 2024/9/25) https://github.com/tegnike/aituber-kit/tree/5c1be3dae7e38871839f37857e550b8f7387f718 ChatVRM https://github.com/pixiv/ChatVRM
Screenshots
Verdict
The clearest difference is ads: ACUAH at none against RobotVRM's shown. RobotVRM's advantage is update cadence (every 4 days vs monthly). On price, in-app purchases, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ACUAH ships an update monthly, RobotVRM every 4 days. The most recent releases landed on August 13, 2026 and September 12, 2026 respectively.
| Parameter | ACUAH | RobotVRM |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 360 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | CsUnite Corporation | RobotVRM |
In-app purchases
ACUAH
No in-app purchases
RobotVRM
No in-app purchases








