# J vs Argus

The clearest difference is update cadence: Argus at every 3 days against J's every 10 months. J's advantage is iOS requirement (8.0 vs 12.0). 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.

J ships an update every 10 months, Argus every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | J | Argus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/argus-totp-authenticator/id1542617858/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 79 MB | 3 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Xunzhong Communication Technology Co., Ltd.](https://appshunter.io/developer/821439465) | [晖 金](https://appshunter.io/developer/1437361520) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-rooms-controller/id1536553888)

**In-app purchases:** none


### Argus

[App page](https://appshunter.io/ios/app/argus-totp-authenticator/id1542617858)

This open-source utility app generates Time-based One-time Passwords (TOTP) for secure authentication. It offers a lightweight, data-protected experience with support for dark mode, iCloud backups, and Apple Watch integration.

**Highlights:** TOTP algorithm support (RFC 6238), Open-source, Lightweight design, Full data protection, Dark mode support, iCloud backup, Apple Watch compatibility

**In-app purchases:** none


## Frequently asked questions

### Is J free?

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

### Is Argus free?

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

### Do J or Argus have ads?

Neither J nor Argus shows ads.

### Which is updated more often, J or Argus?

J ships an update every 10 months, and Argus every 3 days. Most recently, J was updated on October 27, 2026 and Argus 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.*