# RTB LOC.id vs K

The clearest difference is in-app purchases: RTB LOC.id at none against K's 3. RTB LOC.id also leads on iOS requirement (15.0 vs 17.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K sells 3 one-off in-app purchases. RTB LOC.id asks for nothing beyond the download.

RTB LOC.id ships an update every 3 months, K every 4 months. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RTB LOC.id | K |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 39 MB | 2 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RTB Elektronik](https://appshunter.io/developer/1033533477) | [JORG BALTERS](https://appshunter.io/developer/1724350899) |

## What reviewers say

### RTB LOC.id

[App page](https://appshunter.io/ios/app/rtb-locid/id1146809656)

This mobile utility enhances daily accessibility by automatically activating acoustic signals at public transport and traffic systems. It helps users navigate their environment more easily by providing audio cues for accessibility features.

**Highlights:** Automatic acoustic signal activation, Traffic light assistance, Public transport integration, Everyday accessibility improvement, Proximity-based activation

**Features:** Vision Pro support

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-assistents/id6476465273)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Token | $1.99 | one-time |
| 50 Token | $3.99 | one-time |
| 100 Token | $8.99 | one-time |


## Frequently asked questions

### Is RTB LOC.id free?

RTB LOC.id is free to download, with no in-app purchases.

### Is K free?

K is free to download, with in-app purchases available.

### Do RTB LOC.id or K have ads?

Neither RTB LOC.id nor K shows ads.

### Which is updated more often, RTB LOC.id or K?

RTB LOC.id ships an update every 3 months, and K every 4 months. Most recently, RTB LOC.id was updated on October 17, 2026 and K on October 27, 2026.

---

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