# To vs ID4 Mobile

The clearest difference is update cadence: ID4 Mobile at every 2 months against To's every 117 months. To's advantage is iOS requirement (13.0 vs 15.0). 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.

To ships an update every 117 months, ID4 Mobile every 2 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | To | ID4 Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 117 months | **Every 2 months** |
| Size | 5 MB | 142 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Bit4id s.r.l](https://appshunter.io/developer/783640533) |

## What reviewers say

### To

[App page](https://appshunter.io/ios/app/to-do-list-track-progress/id1077304657)

**Features:** macOS Compatibility

**In-app purchases:** none


### ID4 Mobile

[App page](https://appshunter.io/ios/app/id4-mobile-signcloud/id1636895631)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is To free?

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

### Is ID4 Mobile free?

ID4 Mobile is free to download, with no in-app purchases.

### Do To or ID4 Mobile have ads?

Neither To nor ID4 Mobile shows ads.

### Which is updated more often, To or ID4 Mobile?

To ships an update every 117 months, and ID4 Mobile every 2 months. Most recently, To was updated on September 23, 2026 and ID4 Mobile on September 19, 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.*