# KU Leuven Authenticator vs Advanced Image Search

The clearest difference is price: KU Leuven Authenticator at Free against Advanced Image Search's $0.99. KU Leuven Authenticator also leads on update cadence (every 3 weeks vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

KU Leuven Authenticator is free to download; Advanced Image Search costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KU Leuven Authenticator ships an update every 3 weeks, Advanced Image Search every 6 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KU Leuven Authenticator | Advanced Image Search |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.6 (8 ratings)](https://appshunter.io/ios/app/ku-leuven-authenticator/id1313409950/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 3.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 29 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Katholieke Universiteit te Leuven](https://appshunter.io/developer/925286039) | [Alexander Skidmore](https://appshunter.io/developer/1891380556) |

## What reviewers say

### KU Leuven Authenticator

[App page](https://appshunter.io/ios/app/ku-leuven-authenticator/id1313409950)

Provides integrated two-factor authentication for accessing central KU Leuven services. Enhances security by requiring an additional verification step beyond a password.

**Highlights:** Two-factor authentication, Central KU Leuven login security, Integrated security solution

**In-app purchases:** none


### Advanced Image Search

[App page](https://appshunter.io/ios/app/advanced-image-search/id6762193551)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KU Leuven Authenticator free?

KU Leuven Authenticator is free to download, with no in-app purchases.

### Is Advanced Image Search free?

Advanced Image Search costs $0.99, with no in-app purchases.

### Do KU Leuven Authenticator or Advanced Image Search have ads?

Neither KU Leuven Authenticator nor Advanced Image Search shows ads.

### Which is updated more often, KU Leuven Authenticator or Advanced Image Search?

KU Leuven Authenticator ships an update every 3 weeks, and Advanced Image Search every 6 months. Most recently, KU Leuven Authenticator was updated on October 20, 2026 and Advanced Image Search on October 24, 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.*