# HOLTEC mobile services vs i

The clearest difference is update cadence: i at every 5 weeks against HOLTEC mobile services's every 6 months. HOLTEC mobile services's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

HOLTEC mobile services ships an update every 6 months, i every 5 weeks. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | HOLTEC mobile services | i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 16 MB | 38 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HOLTEC GmbH & Co. KG](https://appshunter.io/developer/1510689965) | [IFE Aufbereitungstechnik GmbH](https://appshunter.io/developer/1616801396) |

## What reviewers say

### HOLTEC mobile services

[App page](https://appshunter.io/ios/app/holtec-mobile-services/id1579314609)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-step-vibrosense/id1670367375)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HOLTEC mobile services free?

HOLTEC mobile services is free to download, with no in-app purchases.

### Is i free?

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

### Do HOLTEC mobile services or i have ads?

Neither HOLTEC mobile services nor i shows ads.

### Which is updated more often, HOLTEC mobile services or i?

HOLTEC mobile services ships an update every 6 months, and i every 5 weeks. Most recently, HOLTEC mobile services was updated on September 19, 2026 and i on September 16, 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.*