# X100D vs INFINIT SMART KEY

The clearest difference is update cadence: INFINIT SMART KEY at every 5 weeks against X100D's every 10 months. X100D's advantage is iOS requirement (8.0 vs 12.0). 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.

X100D ships an update every 10 months, INFINIT SMART KEY every 5 weeks. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | X100D | INFINIT SMART KEY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 52 MB | 54 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Hatem Alsehimi](https://appshunter.io/developer/1797489738) |

## What reviewers say

### X100D

[App page](https://appshunter.io/ios/app/x100d/id1164397066)

**Features:** macOS Compatibility

**In-app purchases:** none


### INFINIT SMART KEY

[App page](https://appshunter.io/ios/app/infinit-smart-key/id6743720893)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X100D free?

X100D is free to download, with no in-app purchases.

### Is INFINIT SMART KEY free?

INFINIT SMART KEY is free to download, with no in-app purchases.

### Do X100D or INFINIT SMART KEY have ads?

Neither X100D nor INFINIT SMART KEY shows ads.

### Which is updated more often, X100D or INFINIT SMART KEY?

X100D ships an update every 10 months, and INFINIT SMART KEY every 5 weeks. Most recently, X100D was updated on September 25, 2026 and INFINIT SMART KEY on September 13, 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.*