# SRM RSK vs Karaz Authenticator

The clearest difference is update cadence: Karaz Authenticator at every 4 months against SRM RSK's every 9 months. SRM RSK's advantage is iOS requirement (13.0 vs 15.1). 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.

SRM RSK ships an update every 9 months, Karaz Authenticator every 4 months. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SRM RSK | Karaz Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/srm-rsk/id1500142604/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 102 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Regie RAK](https://appshunter.io/developer/1500142603) | [RIBATIS](https://appshunter.io/developer/1372435891) |

## What reviewers say

### SRM RSK

[App page](https://appshunter.io/ios/app/srm-rsk/id1500142604)

Manage your water and electricity consumption, track subscriptions, and pay bills online. Request new services, submit claims, and simulate future bills with this convenient utility app.

**Highlights:** Track water and electricity consumption, Manage subscriptions and cancellations, Online bill payments, Request new subscriptions/connections, Track and send claims, Simulate consumption bills

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

**In-app purchases:** none


### Karaz Authenticator

[App page](https://appshunter.io/ios/app/karaz-authenticator/id6747678576)

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

**In-app purchases:** none


## Frequently asked questions

### Is SRM RSK free?

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

### Is Karaz Authenticator free?

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

### Do SRM RSK or Karaz Authenticator have ads?

Neither SRM RSK nor Karaz Authenticator shows ads.

### Which is updated more often, SRM RSK or Karaz Authenticator?

SRM RSK ships an update every 9 months, and Karaz Authenticator every 4 months. Most recently, SRM RSK was updated on October 22, 2026 and Karaz Authenticator on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*