# ООПТ Ленинградской области vs Pearl Base

The clearest difference is update cadence: Pearl Base at every 4 days against ООПТ Ленинградской области's every 11 months. 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.

ООПТ Ленинградской области ships an update every 11 months, Pearl Base every 4 days. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ООПТ Ленинградской области | Pearl Base |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 49 MB | 14 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Особо охраняемые природные территории Ленинградской области](https://appshunter.io/developer/1045448075) | [Hoteza Limited](https://appshunter.io/developer/1466216895) |

## What reviewers say

### ООПТ Ленинградской области

[App page](https://appshunter.io/ios/app/id1045448076)

Explore the unique natural areas of the Leningrad region with this app. Discover protected territories, plan your trips using information on eco-trails, and contribute to conservation by reporting forest fires.

**Highlights:** Discover protected natural areas, Information on eco-trails, Plan your nature trips, Report forest fires, Learn about conservation rules

**Features:** macOS Compatibility

**In-app purchases:** none


### Pearl Base

[App page](https://appshunter.io/ios/app/pearl-base/id6449460171)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ООПТ Ленинградской области free?

ООПТ Ленинградской области is free to download, with no in-app purchases.

### Is Pearl Base free?

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

### Do ООПТ Ленинградской области or Pearl Base have ads?

Neither ООПТ Ленинградской области nor Pearl Base shows ads.

### Which is updated more often, ООПТ Ленинградской области or Pearl Base?

ООПТ Ленинградской области ships an update every 11 months, and Pearl Base every 4 days. Most recently, ООПТ Ленинградской области was updated on October 8, 2026 and Pearl Base on October 19, 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.*