Comparison

Amplink PDM vs Holyiot

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

Head to head

Amplink PDM

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

Amplink PDM

Configure and monitor your Amplink PDM device remotely via Bluetooth. This utility app is designed for safe configuration outside of vehicle operation.

Highlights

Bluetooth configuration
Device monitoring
Remote control
Safety-focused design

Features

Read full description

This app allow you to configure and monitor your Amplink PDM using the Bluetooth. This app is utilitarian by design and not intended to be viewed or used while a vehicle is in motion. For more information please visit www.rowe-electronics.com

About

Holyiot

Features

Read full description

A device firmware upgrade application

Screenshots

Amplink PDM4 screens

Holyiot3 screens

Verdict

The call

Amplink PDM and Holyiot are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 24 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

ScorecardNo meaningful differences

Amplink PDM versus Holyiot: the parameters behind the verdict, then further details
Parameter	Amplink PDM	Holyiot
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Positive reviews	33.3% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 24 months	Every 24 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	12.0
Further details — not scored
Size	32 MB	16 MB
Age rating	4+	4+
Developer	Rowe Electronics, Inc.	Shenzhen Hong yi yun jia technology Co.,LTD

In-app purchases

None

Amplink PDM

No in-app purchases

None

Holyiot

No in-app purchases

Questions

Is Amplink PDM free?

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

Is Holyiot free?

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

Do Amplink PDM or Holyiot have ads?

Neither Amplink PDM nor Holyiot shows ads.

Which is updated more often, Amplink PDM or Holyiot?

Amplink PDM ships an update every 24 months, and Holyiot every 24 months. Most recently, Amplink PDM was updated on October 24, 2026 and Holyiot on October 7, 2026.