Comparison

ACUAH vs RobotVRM

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

Head to head
About

ACUAH

Features
Read full description

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

About

RobotVRM

Features
Read full description

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

ACUAH4 screens
RobotVRM3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ACUAH ships an update monthly, RobotVRM every 4 days. The most recent releases landed on August 13, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 4 level
ACUAH versus RobotVRM: the parameters behind the verdict, then further details
ParameterACUAHRobotVRM
PriceFreeFree
Update frequencyMonthlyEvery 4 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.014.0 — better
Further details — not scored
Size360 MB8 MB
Age rating4+12+
DeveloperCsUnite CorporationRobotVRM

In-app purchases

None

ACUAH

No in-app purchases

None

RobotVRM

No in-app purchases

Questions

Is ACUAH free?
ACUAH is free to download, with no in-app purchases.
Is RobotVRM free?
RobotVRM is free to download, with no in-app purchases.
Do ACUAH or RobotVRM have ads?
RobotVRM shows ads; ACUAH does not.
Which is updated more often, ACUAH or RobotVRM?
ACUAH ships an update monthly, and RobotVRM every 4 days. Most recently, ACUAH was updated on August 13, 2026 and RobotVRM on September 12, 2026.

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