# Chronos Authenticator vs bookmarQ

The clearest difference is update cadence: Chronos Authenticator at every 6 days against bookmarQ's every 7 months. Chronos Authenticator also leads on iOS requirement (17.0 vs 26.0). 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.

Chronos Authenticator ships an update every 6 days, bookmarQ every 7 months. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Chronos Authenticator | bookmarQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/chronos-authenticator/id6503929490/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 7 months |
| Monetization | Free | — |
| Size | 11 MB | 15 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Joel-David Wong](https://appshunter.io/developer/1750409239) | [Hiroyuki Kawai](https://appshunter.io/developer/1286509355) |

## What reviewers say

### Chronos Authenticator

[App page](https://appshunter.io/ios/app/chronos-authenticator/id6503929490)

This open-source app provides secure two-factor authentication using time-based and counter-based methods. It offers end-to-end encryption for token data and optional iCloud backup and sync for convenience. Easily import and export your authentication tokens.

**Highlights:** Open-source, End-to-end encrypted token storage, Optional iCloud backup and sync, Token export and import, Anonymous usage (no account required)

**In-app purchases:** none


### bookmarQ

[App page](https://appshunter.io/ios/app/bookmarq/id6608965277)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronos Authenticator free?

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

### Is bookmarQ free?

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

### Do Chronos Authenticator or bookmarQ have ads?

Neither Chronos Authenticator nor bookmarQ shows ads.

### Which is updated more often, Chronos Authenticator or bookmarQ?

Chronos Authenticator ships an update every 6 days, and bookmarQ every 7 months. Most recently, Chronos Authenticator was updated on September 16, 2026 and bookmarQ on September 9, 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.*