# Incognito vs Duovigintuple Calc

The clearest difference is price: Duovigintuple Calc at Free against Incognito's $0.99. Duovigintuple Calc also leads on in-app purchases (none vs 2) and update cadence (every 2 weeks vs every 2 months). Incognito's advantage is ads (none vs shown) and chart position (#135 vs unranked). On device support there is nothing between them.

Duovigintuple Calc is free to download; Incognito costs $0.99 up front. Incognito sells 2 one-off in-app purchases. Duovigintuple Calc asks for nothing beyond the download.

Incognito ships an update every 2 months, Duovigintuple Calc every 2 weeks. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Incognito | Duovigintuple Calc |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (162 ratings)](https://appshunter.io/ios/app/incognito-private-browser/id1490656387/reviews)** | — |
| Number of ratings | **162** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#135** | — |
| Size | 12 MB | 36 MB |
| Requires iOS | 18.5 | **15.8.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Overdesigned, LLC](https://appshunter.io/developer/914665832) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Incognito

[App page](https://appshunter.io/ios/app/incognito-private-browser/id1490656387)

**Currently charting:** #135 Top Paid · Utilities (US App Store)

This private web browser allows you to access the internet from any app without leaving your current context. It offers enhanced privacy features, including the ability to disable cookies to bypass paywalls and secure your browsing history with a passcode.

**Highlights:** Browse from any app via share extension, Bypass paywalls by disabling cookies, Secure history and bookmarks with passcode, Customizable search engines, Remove AMP pages, Translate pages, Save pages as PDF

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-Day Trial | Free | one-time |
| Unlock | $0.99 | one-time |


### Duovigintuple Calc

[App page](https://appshunter.io/ios/app/duovigintuple-calc/id6742525847)

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

**In-app purchases:** none


## Frequently asked questions

### Is Incognito free?

Incognito costs $0.99, and also offers in-app purchases.

### Is Duovigintuple Calc free?

Duovigintuple Calc is free to download, with no in-app purchases.

### Do Incognito or Duovigintuple Calc have ads?

Duovigintuple Calc shows ads; Incognito does not.

### Which is updated more often, Incognito or Duovigintuple Calc?

Incognito ships an update every 2 months, and Duovigintuple Calc every 2 weeks. Most recently, Incognito was updated on October 10, 2026 and Duovigintuple Calc on September 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.*