# PY33 vs BIL Suisse Authenticator

The clearest difference is iOS requirement: PY33 at 13.0 against BIL Suisse Authenticator's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PY33 ships an update every 16 months, BIL Suisse Authenticator every 10 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | PY33 | BIL Suisse Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 10 months** |
| Size | 43 MB | 12 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NETexcom Groupe Informatique](https://appshunter.io/developer/443370310) | [Banque Internationale a Luxembourg](https://appshunter.io/developer/455960652) |

## What reviewers say

### PY33

[App page](https://appshunter.io/ios/app/py33-comptable-a-paris/id1493267022)

**Features:** macOS Compatibility

**In-app purchases:** none


### BIL Suisse Authenticator

[App page](https://appshunter.io/ios/app/bil-suisse-authenticator/id6504490593)

**In-app purchases:** none


## Frequently asked questions

### Is PY33 free?

PY33 is free to download, with no in-app purchases.

### Is BIL Suisse Authenticator free?

BIL Suisse Authenticator is free to download, with no in-app purchases.

### Do PY33 or BIL Suisse Authenticator have ads?

Neither PY33 nor BIL Suisse Authenticator shows ads.

### Which is updated more often, PY33 or BIL Suisse Authenticator?

PY33 ships an update every 16 months, and BIL Suisse Authenticator every 10 months. Most recently, PY33 was updated on October 10, 2026 and BIL Suisse Authenticator on October 10, 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.*