Comparison

Holyiot vs HeriStepAI

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

Head to head

War Remnants Museum

About

Holyiot

Features

Read full description

A device firmware upgrade application

About

HeriStepAI

Read full description

HeriStepAI is an intelligent mobile guide app designed for museums, offering a personalized and immersive experience at the War Remnants Museum in Ho Chi Minh City. The app automatically detects your location within the exhibition areas and plays curated audio content in your preferred language as you move through the museum. It supports multiple languages and provides real-time explanations about artifacts, historical themes, and museum overviews. In addition, HeriStepAI features a built-in AI chatbot, allowing visitors to ask questions and receive instant answers related to the exhibits or general museum information.

Screenshots

Holyiot3 screens

HeriStepAI3 screens

Verdict

The call

The clearest difference is update cadence: HeriStepAI at every 8 days against Holyiot's every 24 months. Holyiot's advantage is iOS requirement (12.0 vs 15.1). On price, ads, 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

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

Holyiot ships an update every 24 months, HeriStepAI every 8 days. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

Holyiot versus HeriStepAI: the parameters behind the verdict, then further details
Parameter	Holyiot	HeriStepAI
Price	Free	Free
Update frequency	Every 24 months	Every 8 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	15.1
Further details — not scored
Size	16 MB	80 MB
Age rating	4+	17+
Developer	Shenzhen Hong yi yun jia technology Co.,LTD	Tuan Phan

In-app purchases

None

Holyiot

No in-app purchases

None

HeriStepAI

No in-app purchases

Questions

Is Holyiot free?

Holyiot is free to download, with no in-app purchases.

Is HeriStepAI free?

HeriStepAI is free to download, with no in-app purchases.

Do Holyiot or HeriStepAI have ads?

Neither Holyiot nor HeriStepAI shows ads.

Which is updated more often, Holyiot or HeriStepAI?

Holyiot ships an update every 24 months, and HeriStepAI every 8 days. Most recently, Holyiot was updated on October 7, 2026 and HeriStepAI on October 30, 2026.