# ATOM Mobility vs Ki

The clearest difference is update cadence: ATOM Mobility at every 3 weeks against Ki's every 7 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.

ATOM Mobility ships an update every 3 weeks, Ki every 7 months. The most recent releases landed on October 7, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ATOM Mobility | Ki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Size | 61 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SIA ATOM Tech](https://appshunter.io/developer/1453550254) | [Ki-Nitro Collective Ltd.](https://appshunter.io/developer/1867141927) |

## What reviewers say

### ATOM Mobility

[App page](https://appshunter.io/ios/app/atom-mobility-driver-app/id1633215051)

**Features:** Vision Pro support

**In-app purchases:** none


### Ki

[App page](https://appshunter.io/ios/app/ki-nitro-passenger/id6757465617)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATOM Mobility free?

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

### Is Ki free?

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

### Do ATOM Mobility or Ki have ads?

Neither ATOM Mobility nor Ki shows ads.

### Which is updated more often, ATOM Mobility or Ki?

ATOM Mobility ships an update every 3 weeks, and Ki every 7 months. Most recently, ATOM Mobility was updated on October 7, 2026 and Ki on September 16, 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.*