Duovigintuple Calc vs Octo Browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duovigintuple Calc
Read full descriptionHide full description
Display 22 calculators and perform calculations with each one.
Octo Browser
This private browser allows you to create separate profiles for different online activities, ensuring your cookies, cache, and history remain isolated. Easily switch between work, personal, or research contexts without data leakage.
- Independent browser profiles
- Isolated cookies and cache
- Separate browsing history
- Customizable browser identification
- Proxy support (HTTP, HTTPS, SOCKS5)
- Instant profile switching
Read full descriptionHide full description
A private browser built on independent profiles. Create browser profiles for every context you need - work, personal, research, or anything else. Each profile is its own world, with its own cookies, cache, history, and settings. Switch between them in one tap. Nothing leaks between them. PROFILES THAT STAY SEPARATE Every browser profile is its own container. Cookies and sessions don't mix, and data from one profile never shows up in another. - Create profiles in seconds - Each profile has its own cookies, storage, and session - Instant switching from the main screen - Separate browser history POWERFUL BROWSING TOOLS Every profile comes with flexible settings you fully control: - Browser identification, language, timezone, and regional settings - Proxy (HTTP, HTTPS, SOCKS5) MADE FOR EVERYDAY USE - Keep work and personal browsing fully separated - Stay signed in to different sites across different profiles
Screenshots
Verdict
The clearest difference is ads: Octo Browser at none against Duovigintuple Calc's shown. Octo Browser also leads on update cadence (every 6 days vs every 2 weeks). Duovigintuple Calc's advantage is iOS requirement (15.8.3 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Duovigintuple Calc ships an update every 2 weeks, Octo Browser every 6 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Duovigintuple Calc | Octo Browser |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.8 (23 ratings) — better |
| Positive reviews | — | 53.3% of reviews |
| Number of ratings | — | 23 — better |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.8.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | Hideaki Uchikoshi | BLACKBIRD SECURE BROWSING LTD |
In-app purchases
Duovigintuple Calc
No in-app purchases
Octo Browser
No in-app purchases
Questions
Is Duovigintuple Calc free?
Is Octo Browser free?
Do Duovigintuple Calc or Octo Browser have ads?
Which is updated more often, Duovigintuple Calc or Octo Browser?
Other comparisons
