Comparison

iDEAn vs Onsite PMS

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

Head to head

About

iDEAn

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iDEAn is able to do site energy efficiency improvement according to data analysis, to analyze all data from sites to preview clues for further actions/control logics on site energy efficiency improvement. Example: How to optimize energy consumption according to regional ambient factors and control logics of van, fan, air-con on/off control by big data inside iDEAn, with consideration on device aging factors. Preview infrastructure essential maintenance before site alarm Features are from iDEAn real-time data analysis and trend data analysis Shorten the times of back and forth to rural sites for site handling According iDEAn information before site alarms/fails, engineers could prepare essential tools/devices for site handling

About

Onsite PMS

Features

Read full description

A complete construction document management system that provides a collaborative project in the most user-friendly interfaces.

Screenshots

iDEAn4 screens

Onsite PMS4 screens

Verdict

The call

The clearest difference is update cadence: Onsite PMS at fortnightly against iDEAn's every 3 months. Onsite PMS also leads on iOS requirement (13.0 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

iDEAn ships an update every 3 months, Onsite PMS fortnightly. The most recent releases landed on May 17, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 4 level

iDEAn versus Onsite PMS: the parameters behind the verdict, then further details
Parameter	iDEAn	Onsite PMS
Price	Free	Free
Update frequency	Every 3 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.1	13.0 — better
Further details — not scored
Size	14 MB	152 MB
Age rating	4+	17+
Developer	Delta Electronics, Inc.	ONSITE SAL

In-app purchases

None

iDEAn

No in-app purchases

None

Onsite PMS

No in-app purchases

Questions

Is iDEAn free?

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

Is Onsite PMS free?

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

Do iDEAn or Onsite PMS have ads?

Neither iDEAn nor Onsite PMS shows ads.

Which is updated more often, iDEAn or Onsite PMS?

iDEAn ships an update every 3 months, and Onsite PMS fortnightly. Most recently, iDEAn was updated on May 17, 2026 and Onsite PMS on September 11, 2026.