# Optim System app vs iD app by iCard

The clearest difference is update cadence: Optim System app at every 9 days against iD app by iCard'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.

Optim System app ships an update every 9 days, iD app by iCard every 4 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Optim System app | iD app by iCard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Size | 44 MB | 215 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Optim Systems, Ltd.](https://appshunter.io/developer/1713704866) | [iCard AD](https://appshunter.io/developer/1066154829) |

## What reviewers say

### Optim System app

[App page](https://appshunter.io/ios/app/optim-system-app-weopsy/id6470450913)

**Features:** macOS Compatibility

**In-app purchases:** none


### iD app by iCard

[App page](https://appshunter.io/ios/app/id-app-by-icard/id6479516737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Optim System app free?

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

### Is iD app by iCard free?

iD app by iCard is free to download, with no in-app purchases.

### Do Optim System app or iD app by iCard have ads?

Neither Optim System app nor iD app by iCard shows ads.

### Which is updated more often, Optim System app or iD app by iCard?

Optim System app ships an update every 9 days, and iD app by iCard every 4 months. Most recently, Optim System app was updated on October 21, 2026 and iD app by iCard on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*