# TeamSystem IDSign vs zeroenergia

The clearest difference is update cadence: zeroenergia at every 2 months against TeamSystem IDSign's every 9 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.

TeamSystem IDSign ships an update every 9 months, zeroenergia every 2 months. The most recent releases landed on September 17, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | TeamSystem IDSign | zeroenergia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 25 MB | 10 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Teamsystem SPA](https://appshunter.io/developer/545232556) | [IBILL SRL SEMPLIFICATA](https://appshunter.io/developer/1458513076) |

## What reviewers say

### TeamSystem IDSign

[App page](https://appshunter.io/ios/app/teamsystem-idsign/id6670606360)

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

**In-app purchases:** none


### zeroenergia

[App page](https://appshunter.io/ios/app/zeroenergia/id6737570366)

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

**In-app purchases:** none


## Frequently asked questions

### Is TeamSystem IDSign free?

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

### Is zeroenergia free?

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

### Do TeamSystem IDSign or zeroenergia have ads?

Neither TeamSystem IDSign nor zeroenergia shows ads.

### Which is updated more often, TeamSystem IDSign or zeroenergia?

TeamSystem IDSign ships an update every 9 months, and zeroenergia every 2 months. Most recently, TeamSystem IDSign was updated on September 17, 2026 and zeroenergia on August 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.*