# VI Mobile ID vs IotSong

The clearest difference is update cadence: IotSong at weekly against VI Mobile ID's every 4 months. 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.

VI Mobile ID ships an update every 4 months, IotSong weekly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VI Mobile ID | IotSong |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 3 MB | 64 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vanderbilt, LLC](https://appshunter.io/developer/1053238756) | [Rivol International LLC](https://appshunter.io/developer/1795393126) |

## What reviewers say

### VI Mobile ID

[App page](https://appshunter.io/ios/app/vi-mobile-id/id1471294981)

**Features:** macOS Compatibility

**In-app purchases:** none


### IotSong

[App page](https://appshunter.io/ios/app/iotsong/id6742019015)

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

**In-app purchases:** none


## Frequently asked questions

### Is VI Mobile ID free?

VI Mobile ID is free to download, with no in-app purchases.

### Is IotSong free?

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

### Do VI Mobile ID or IotSong have ads?

Neither VI Mobile ID nor IotSong shows ads.

### Which is updated more often, VI Mobile ID or IotSong?

VI Mobile ID ships an update every 4 months, and IotSong weekly. Most recently, VI Mobile ID was updated on October 7, 2026 and IotSong on October 28, 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.*