# 秘密のプライベートロックブラウザー vs Pismo Писмо

The clearest difference is update cadence: Pismo Писмо at daily against 秘密のプライベートロックブラウザー's every 70 months. 秘密のプライベートロックブラウザー's advantage is iOS requirement (8.0 vs 17.6). 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.

秘密のプライベートロックブラウザー ships an update every 70 months, Pismo Писмо daily. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 秘密のプライベートロックブラウザー | Pismo Писмо |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 70 months | **Daily** |
| Size | 1 MB | 166 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Rikka Takanashi](https://appshunter.io/developer/1090786849) | [HARUKA HANAOKA](https://appshunter.io/developer/1849108633) |

## What reviewers say

### 秘密のプライベートロックブラウザー

[App page](https://appshunter.io/ios/app/id1147897563)

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

**In-app purchases:** none


### Pismo Писмо

[App page](https://appshunter.io/ios/app/pismo/id6754819613)

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

**In-app purchases:** none


## Frequently asked questions

### Is 秘密のプライベートロックブラウザー free?

秘密のプライベートロックブラウザー is free to download, with no in-app purchases.

### Is Pismo Писмо free?

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

### Do 秘密のプライベートロックブラウザー or Pismo Писмо have ads?

Neither 秘密のプライベートロックブラウザー nor Pismo Писмо shows ads.

### Which is updated more often, 秘密のプライベートロックブラウザー or Pismo Писмо?

秘密のプライベートロックブラウザー ships an update every 70 months, and Pismo Писмо daily. Most recently, 秘密のプライベートロックブラウザー was updated on October 29, 2026 and Pismo Писмо on October 28, 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.*