Comparison

Chrono Rainbow vs Hi Taigi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chrono Rainbow

This app visualizes your time with both Western and Japanese calendars, allowing you to register special dates and track yearly progress. It offers customizable themes and integrates traditional Japanese seasonal markers.

Highlights
  • Western and Japanese calendar display
  • Anniversary and birthday registration
  • Japanese seasonal markers
  • Yearly progress visualization
  • Customizable themes
  • Traditional Japanese colors
Features
Read full description

See today, the seasons, and your progress through the year—all in one colorful calendar. Chrono Rainbow brings Western and Japanese calendars, Rokuyou, seasonal markers, and your progress through the year into one beautifully designed experience. Choose from nine distinctive display themes and enjoy each day in a style that feels like your own. Key Features - See today and your progress through the year Discover where today falls within the year through day counts and a colorful rainbow progress view. Each passing day adds another color to the year, helping you notice the progress you have already made. - Explore Western years and Japanese eras Browse the relationship between Western years and Japanese eras, from Meiji through Reiwa. Move between different ways of looking at the past and the years ahead. - Explore Rokuyou and Japan's 24 solar terms See traditional calendar markers such as Rokuyou, solstices, equinoxes, and the 24 solar terms alongside your everyday calendar. - Keep birthdays and anniversaries together Register birthdays, anniversaries, and other meaningful dates so they are easy to revisit whenever you open the app. - Choose from nine display themes Explore Simple, Pop, Fantasy, Japanese, Natural, Underwater, Starry, Retro, and Cyber. Each theme brings its own backgrounds, colors, typography, cards, and visual details to your calendar. - Enjoy seasonal scenery and gentle motion Japanese and Natural themes change with the seasons. Pop, Starry, and Underwater add subtle ambient details such as drifting clouds, rainbows, shooting stars, bubbles, and fish. Motion respects the system Reduce Motion setting. - Customize your theme color With the Simple theme, choose from a selection of free accent colors. The Chrono Colors Plan unlocks additional theme colors, including an extensive collection inspired by traditional Japanese hues. More with the Chrono Colors Plan - Unlock additional theme colors, including colors inspired by traditional Japanese hues - Remove the event registration limit - Choose from available alternate app icons for your Home Screen See each day through calendars, seasons, and the progress of your year. Chrono Rainbow adds a gentle touch of color to the time that matters to you. End-User License Agreement https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Chrono Rainbow is an independent application and is not endorsed, sponsored, or approved by Apple Inc. Product names, service names, and company names mentioned in this app are trademarks or registered trademarks of their respective companies.

About

Hi Taigi

Learn Taiwanese Hokkien with a comprehensive offline dictionary and interactive learning tools. Access pronunciation drills, courses, everyday scenarios, and speaking practice. Sync progress across Apple devices.

Highlights
  • Offline dictionary with 29,606 entries
  • Pronunciation drills and speaking practice
  • Structured learning courses (Beginner to Intermediate)
  • Everyday scene simulations
  • Camera lookup and widgets
  • Cross-device syncing
  • Regional accent variations
Features
Read full description

Look words up, and learn them. The Ministry of Education's Taiwanese dictionary in full, free forever; learning with Taigi Plus, from beginner to intermediate. Hi Taigi is an offline app for Taiwanese (台語), built on the Ministry of Education's open dataset《臺灣台語常用詞辭典》, audio included. Learning starts with pronunciation drills, then builds your Taiwanese word by word through courses, everyday scenes and speaking practice. WORKS ON IPHONE, IPAD, MAC, AND APPLE VISION PRO Free to download and fully offline. Taigi Plus works on every device with your Apple ID. DICTIONARY AND TOOLS: FREE FOREVER Search, browsing, bookmarks and audio, plus look up anywhere (select text in any app to search and hear it), wildcard search, camera lookup and widgets. All free, no limits. The Tai-lo pronunciation drills are free too. TAIGI PLUS: LEARNING • Courses: Basics (11 lessons), Elementary (32) and Intermediate (40), one topic each (greetings, numbers, shopping…) • 15 everyday scenes: the doctor's, the wet market, family chats, night markets, work, temple festivals and more • Speaking practice: hear and say the dictionary's example sentences • Also study the 700 common characters, frequent words, dictionary themes and appendices, or your own bookmarks and word lists • Speak: say it aloud and the app checks your tones • Learning log: what you studied each day and what's due next • Sign in to sync bookmarks, word lists and progress across devices Annual plan with a 7-day free trial, or go weekly. HOW YOU LEARN • The app schedules your reviews, mixing reading, writing, listening and speaking. Just answer and the words stay with you • How much to do each day is decided for you • Every sound is a real human recording, not synthesized speech DICTIONARY: 29,606 ENTRIES • Main entries, Taiwanese-Mandarin equivalents, single characters, appendices • 23,298 senses and 17,906 examples, in Hanji and Tai-lo • Variations across 10 regional accents • Alternate, contracted, and colloquial readings • Links between synonyms, antonyms, variant characters, dialect comparisons, and 文白 alternates OFFLINE Dictionary text is bundled, so search works offline from install. Audio downloads as packs, then plays offline. SEARCH • Hanji or Tai-lo input • Tone-agnostic fuzzy match • One- or two-character queries • Headwords, examples, and glosses at once • Wildcard search (* / ?) NAME READINGS Type a name in Hanji to get its Taiwanese reading character by character, literary and colloquial side by side. SCAN WITH CAMERA (iPhone and iPad) Point your camera at Taiwanese Hanji and tap a highlighted word to look it up. WIDGETS "Word of the Day", plus your bookmarks on rotation. BROWSE With the search field empty, browse the dictionary: • By theme: the MoE's 23 categories and 103 subcategories • Appendices: place names, stations, solar terms, loanwords, surnames, dialects, proverbs • Kinship calculator: tap 父, 妹, 夫 to get the term for that relative (姑丈) BOOKMARKS & HISTORY • Bookmarks and word lists • View history (most recent 100) FOUR-LANGUAGE UI 繁體中文 / 简体中文 / 日本語 / English. Dictionary content is reproduced verbatim from the Ministry of Education source. ABOUT TAIGI PLUS Taigi Plus is an auto-renewing subscription, weekly or annual; the annual plan includes a 7-day free trial for first-time subscribers. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bynoform.dev/taigi/en/privacy/ ABOUT THE DATA This app reproduces the Ministry of Education's《臺灣台語常用詞辭典》(https://sutian.moe.edu.tw) under the CC BY-ND 3.0 Taiwan license, unmodified. Full attribution is in the app's "Credits & License" screen.

Screenshots

Chrono Rainbow4 screens
Hi Taigi4 screens

Verdict

The call

The clearest difference is update cadence: Hi Taigi at weekly against Chrono Rainbow's every 2 weeks. On price, review sentiment, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Chrono Rainbow sells 2 in-app purchases, starting at $0.29 per month and Hi Taigi sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chrono Rainbow ships an update every 2 weeks, Hi Taigi weekly. The most recent releases landed on October 30, 2026 and November 2, 2026 respectively.

Scorecard1 real difference · 7 level
Chrono Rainbow versus Hi Taigi: the parameters behind the verdict, then further details
ParameterChrono RainbowHi Taigi
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.517.0 — better
Further details — not scored
Size86 MB112 MB
Age rating4+4+
DeveloperToshiaki NakamuraHukido

Customer experience

Chrono Rainbow

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Hi Taigi

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Chrono Rainbow

Subscriptions2
  • Chrono Colors Plan 1 month$0.291 Month
  • Chrono Colors Plan 1 year$2.991 Year
5 purchases

Hi Taigi

Subscriptions2
  • Taigi Plus$1.997 Days
  • Taigi Plus7 Days trial$24.991 Year
One-time3
  • Taigi Pro$1.99
  • Taigi Study (+ Pro)$3.99
  • Gift 1 Year of Taigi Plus$24.99

Questions

Is Chrono Rainbow free?
Chrono Rainbow is free to download, with in-app purchases available.
Is Hi Taigi free?
Hi Taigi is free to download, with in-app purchases available.
Do Chrono Rainbow or Hi Taigi have ads?
Neither Chrono Rainbow nor Hi Taigi shows ads.
Which is updated more often, Chrono Rainbow or Hi Taigi?
Chrono Rainbow ships an update every 2 weeks, and Hi Taigi weekly. Most recently, Chrono Rainbow was updated on October 30, 2026 and Hi Taigi on November 2, 2026.

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