# IoT Maintenance vs Holyiot

IoT Maintenance 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.

IoT Maintenance ships an update every 5 months, Holyiot every 3 months. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | IoT Maintenance | Holyiot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 19 MB | 28 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobit Belgium bvba](https://appshunter.io/developer/1264033760) | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) |

## What reviewers say

### IoT Maintenance

[App page](https://appshunter.io/ios/app/iot-maintenance/id1641860051)

**Features:** macOS Compatibility

**In-app purchases:** none


### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-sensor/id6449424647)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IoT Maintenance free?

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

### Is Holyiot free?

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

### Do IoT Maintenance or Holyiot have ads?

Neither IoT Maintenance nor Holyiot shows ads.

### Which is updated more often, IoT Maintenance or Holyiot?

IoT Maintenance ships an update every 5 months, and Holyiot every 3 months. Most recently, IoT Maintenance was updated on October 1, 2026 and Holyiot on October 3, 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.*