# 90daysChallenge vs Shinkansen Web Translator

The clearest difference is rating: Shinkansen Web Translator at 5.0 against 90daysChallenge's 3.0. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Shinkansen Web Translator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

90daysChallenge ships an update every 3 weeks, Shinkansen Web Translator every 2 weeks. The most recent releases landed on October 31, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 90daysChallenge | Shinkansen Web Translator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/90dayschallenge/id6757923468/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shinkansen-web-translator/id6776958298/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 22 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HSIN JUI YU](https://appshunter.io/developer/1869655062) | [Zhimin Su](https://appshunter.io/developer/1896587655) |

## What reviewers say

### 90daysChallenge

[App page](https://appshunter.io/ios/app/90dayschallenge/id6757923468)

This app helps you build lasting habits and improve focus through a structured 90-day challenge. It offers dedicated focus modes for deep work and quick sprints, along with daily reminders and motivational quotes to keep you on track.

**Highlights:** 90-Day Challenge Tracker, Deep Focus Mode, Sprint Mode, Daily Reminders, Daily Motivation Quotes

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

**In-app purchases:** none


### Shinkansen Web Translator

[App page](https://appshunter.io/ios/app/shinkansen-web-translator/id6776958298)

This Safari extension offers instant web page and YouTube subtitle translation, preserving original formatting. It supports multiple translation engines and allows for custom glossaries and offline Chinese conversion.

**Highlights:** Instant web page translation, YouTube subtitle translation, Preserves original formatting, Multiple translation engines, Custom glossary support, Offline Chinese conversion, Cross-tab continuity

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

**In-app purchases:** none


## Frequently asked questions

### Is 90daysChallenge free?

90daysChallenge is free to download, with no in-app purchases.

### Is Shinkansen Web Translator free?

Shinkansen Web Translator is free to download, with no in-app purchases.

### Which has better reviews, 90daysChallenge or Shinkansen Web Translator?

Shinkansen Web Translator is rated higher. 90daysChallenge averages 3.0 out of 5 from 1 ratings, while Shinkansen Web Translator averages 5.0 from 1 ratings.

### Do 90daysChallenge or Shinkansen Web Translator have ads?

Neither 90daysChallenge nor Shinkansen Web Translator shows ads.

### Which is updated more often, 90daysChallenge or Shinkansen Web Translator?

90daysChallenge ships an update every 3 weeks, and Shinkansen Web Translator every 2 weeks. Most recently, 90daysChallenge was updated on October 31, 2026 and Shinkansen Web Translator on October 13, 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.*