# Соленые озера vs eSIM.BLACK

The clearest difference is review sentiment: eSIM.BLACK at 50% against Соленые озера's 0%. Соленые озера's advantage is iOS requirement (11.0 vs 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.

Соленые озера ships an update every 3 weeks, eSIM.BLACK every 11 days. The most recent releases landed on October 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Соленые озера | eSIM.BLACK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/esimblack/id6793612544/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | Free |
| Size | 34 MB | 49 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOMPYUTERIKA, OOO](https://appshunter.io/developer/1439173557) | [Mikaya Irakli Guramovich, IP](https://appshunter.io/developer/1800059708) |

## What reviewers say

### Соленые озера

[App page](https://appshunter.io/ios/app/id1468487486)

Purchase entry tickets for Russia's premier spa resort, featuring lakes with healing waters of varying salinity. Enjoy year-round access to this unique wellness destination.

**Highlights:** Purchase spa resort entry tickets, Access healing mineral lakes, Year-round use, Information on water salinity and benefits, Official resort booking

**Features:** macOS Compatibility

**In-app purchases:** none


### eSIM.BLACK

[App page](https://appshunter.io/ios/app/esimblack/id6793612544)

Get instant internet access in foreign countries without roaming charges or local SIM cards. Simply select your destination, pay with a Russian card, and connect via QR code within minutes. Ideal for travelers, business trips, and digital nomads.

**Highlights:** Instant international internet, No roaming charges, No local SIM required, QR code activation, Supports Russian card payments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Соленые озера free?

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

### Is eSIM.BLACK free?

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

### Do Соленые озера or eSIM.BLACK have ads?

Neither Соленые озера nor eSIM.BLACK shows ads.

### Which is updated more often, Соленые озера or eSIM.BLACK?

Соленые озера ships an update every 3 weeks, and eSIM.BLACK every 11 days. Most recently, Соленые озера was updated on October 8, 2026 and eSIM.BLACK on October 31, 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.*