# Amplink PDM vs Holyiot

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.

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

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

## The numbers

| Metric | Amplink PDM | Holyiot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amplink-pdm/id1339238181/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | Every 24 months |
| Monetization | Free | — |
| Size | 32 MB | 16 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rowe Electronics, Inc.](https://appshunter.io/developer/1339238180) | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) |

## What reviewers say

### Amplink PDM

[App page](https://appshunter.io/ios/app/amplink-pdm/id1339238181)

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:** macOS Compatibility

**In-app purchases:** none


### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-dfu/id6445978221)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*