# Z4 Farsi vs LinOTP Authenticator

Z4 Farsi and LinOTP Authenticator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on November 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Z4 Farsi | LinOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/z4-farsi/id954590814/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Free | — |
| Size | 5 MB | 24 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [M S Dehkordi](https://appshunter.io/developer/791605265) | [KeyIdentity GmbH](https://appshunter.io/developer/571941070) |

## What reviewers say

### Z4 Farsi

[App page](https://appshunter.io/ios/app/z4-farsi/id954590814)

Control compatible home alarm systems with GSM switches using custom Farsi layouts. This app simplifies SMS commands, allowing you to arm or disarm your system without manual text entry. It's designed for Farsi speakers with specific alarm system requirements.

**Highlights:** Farsi language interface, GSM switch compatibility, Automated SMS command generation, Arm/disarm alarm systems, User-friendly layout

**Features:** macOS Compatibility

**In-app purchases:** none


### LinOTP Authenticator

[App page](https://appshunter.io/ios/app/linotp-authenticator/id6450118468)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z4 Farsi free?

Z4 Farsi is free to download, with no in-app purchases.

### Is LinOTP Authenticator free?

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

### Do Z4 Farsi or LinOTP Authenticator have ads?

Neither Z4 Farsi nor LinOTP Authenticator shows ads.

### Which is updated more often, Z4 Farsi or LinOTP Authenticator?

Z4 Farsi ships an update every 8 months, and LinOTP Authenticator every 8 months. Most recently, Z4 Farsi was updated on November 6, 2026 and LinOTP Authenticator on October 27, 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.*