# Twin vs NextNavi

Twin and NextNavi both sit at 5.0 stars, but that hides the real split: 76% of Twin's written reviews are positive against 55% of NextNavi's. Twin also leads on price ($1.99 vs $3.99). NextNavi's advantage is update cadence (every 5 days vs fortnightly) and iOS requirement (12.0 vs 15.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Twin costs $1.99 and NextNavi $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Twin against 5.0 for NextNavi. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews are what separate them: 76% of Twin's written reviews are positive against 55% of NextNavi's.

Twin ships an update fortnightly, NextNavi every 5 days. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Twin | NextNavi |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/twin-calc/id1619292082/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/nextnavi/id6446080475/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | **76.0% of reviews** | 55.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Paid | Paid |
| Size | 1 MB | 52 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hiroyuki Ueda](https://appshunter.io/developer/473279916) | [建玮 朱](https://appshunter.io/developer/1675815565) |

## What reviewers say

### Twin

[App page](https://appshunter.io/ios/app/twin-calc/id1619292082)

This app combines two calculators into one, allowing for side-by-side or stacked calculations. Easily copy and paste results between calculators or to other apps. It displays formulas for clarity and handles basic arithmetic operations.

**Highlights:** Two calculators in one, Side-by-side and stacked display, One-touch copy/paste between calculators, Copy results to iPhone memory, Formula display, Basic arithmetic operations

**Features:** Vision Pro support

**In-app purchases:** none


### NextNavi

[App page](https://appshunter.io/ios/app/nextnavi/id6446080475)

This utility app provides a dedicated browser for playing web-based games. It offers customization options for your screen and ensures a consistent landscape view for a desktop-like gaming experience.

**Highlights:** Dedicated browser for web games, Screen customization options, Always landscape desktop view, Optimized for browser gaming

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

**In-app purchases:** none


## Frequently asked questions

### Is Twin free?

Twin costs $1.99, with no in-app purchases.

### Is NextNavi free?

NextNavi costs $3.99, with no in-app purchases.

### Which has better reviews, Twin or NextNavi?

Twin and NextNavi are both rated 5.0 out of 5 on the App Store, from 8 and 5 ratings respectively.

### Do Twin or NextNavi have ads?

Neither Twin nor NextNavi shows ads.

### Which is updated more often, Twin or NextNavi?

Twin ships an update fortnightly, and NextNavi every 5 days. Most recently, Twin was updated on October 25, 2026 and NextNavi on October 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.*