# RTB LOC.id vs Zuzanka

The clearest difference is review sentiment: Zuzanka at 100% against RTB LOC.id's 38%. Zuzanka also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (12.0 vs 15.0). RTB LOC.id's advantage is in-app purchases (none vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Zuzanka sells 4 in-app purchases, starting at $5.00 per month. RTB LOC.id asks for nothing beyond the download.

RTB LOC.id ships an update every 3 months, Zuzanka fortnightly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RTB LOC.id | Zuzanka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/zuzanka/id6444279925/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 37.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 39 MB | 159 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RTB Elektronik](https://appshunter.io/developer/1033533477) | [Zatoichi Sp. z o.o.](https://appshunter.io/developer/1638968049) |

## 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


### Zuzanka

[App page](https://appshunter.io/ios/app/zuzanka/id6444279925)

This app scans expiry dates, barcodes, and QR codes on food products. It converts expiry dates to text, offers product information, and supports visually impaired users with features like guiding sounds and voice output. Keep your kitchen organized and your food fresh.

**Highlights:** Expiry date scanning with guiding sounds, Barcode and QR code scanning, Product information lookup, Customizable contrast and voice output, Export scanned data, OCR feature for text recognition

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Product scanning - Monthly | $5.00 | per month |
| Product scanning - 6 mos. | $20.00 | per 6 months |
| Product scanning - Annual | $35.00 | per year |
| Product scanning - Lifetime | $79.00 | one-time |


## Frequently asked questions

### Is RTB LOC.id free?

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

### Is Zuzanka free?

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

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

Neither RTB LOC.id nor Zuzanka shows ads.

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

RTB LOC.id ships an update every 3 months, and Zuzanka fortnightly. Most recently, RTB LOC.id was updated on October 17, 2026 and Zuzanka on October 8, 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.*