Comparison

I vs I

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

Head to head
About

I

Read full description

「I-DID嘉年華」是一款專為香港學童而設的學習遊戲,旨在幫助他們克服讀寫障礙的困難和挑戰。遊戲場景以繽紛的嘉年華會為主題,提供了多種互動挑戰,包括文字拼圖、記憶遊戲和中文語言挑戰等,幫助孩子們提高閱讀、寫作和拼字能力。遊戲設計豐富多彩,並且操作簡單易懂,為患有讀寫障礙的兒童提供了一個有趣及支持性的學習環境,讓他們能夠建立信心並提高語文能力。 "I-DID Carnival" is an engaging game designed to help Chinese children in Hong Kong who have dyslexia. The game is set in a vibrant carnival atmosphere and features a range of interactive challenges that improve reading, writing, and spelling skills in Chinese. With a variety of games to choose from, including word puzzles and memory games, "I-DID Carnival" provides a fun and supportive learning environment. The game's colourful graphics and intuitive gameplay make it an enjoyable way for children with dyslexia to build their confidence and improve their Chinese literacy skills. **************************************** [ 第一階段「視覺、空間與記憶」] - 螢火尋蹤: 共 10 關 - 水果列隊: 共 10 關 - 地鼠逐隻捉:共 5 關 ——————————————— [ 第二階段「音樂及聽覺」] - 音高找不同:共 4 關 - 節拍找不同:共 4 關 - 奶茶找音高:共 4 關 - 麻糬打拍子:共 4 關 - 食物輪住上:共 4 關 ——————————————— [ 第三階段「基礎中文 - 語音和文字」] - 聲母樂園: 共 10 關 - 釣字奇兵: 共 2 關 - 音韻積木: 共 7 關 - 尋部解碼: 共 2 關 - 松鼠學聲調:共 6 關 ——————————————— [ 第四階段「進階中文 - 詞彙、讀音和語法」] - 字海尋珠: 共 4 關 - 聞聲摘果: 共 3 關 - 探句藏詞: 共 2 關 - 形聲果園: 共 3 關 - 亂序迷熊: 共 6 關 ——————————————— [ 小測試 ] - 火車試煉 - 數字:每階段 1 關 - 火車試煉 - 讀字:每階段 1 關 **************************************** [ Game Stage 1 — “Visual, Space, & Memory” ] - Find the path of fireflies - Fruit Queue - Catching Moles Sequentially ——————————————— [ Game Stage 2 — "Music, Auditory, & Listening” ] - Finding differences in Pitch - Finding differences in Rhythm - Identify pitch by Milk tea - Mochi-pounding beats - Round-table food orders ——————————————— [ Game Stage 3 — “Basic Chinese: Sounds & Words” ] - Onset playground - Fishing words - Sound blocks - Hunt & Solve Radicals - Squirrel learning tones ——————————————— [ Game Stage 4 — “Advanced Chinese: Vocabularies, Pronunciations, & Grammar” ] - Word-Hunting Pearls - Listen and Fruit Picking - Seeking Hidden words - The bear lost in word maze - Look-Hear Fruitland ——————————————— [ Mini-Test ] - Train trials – Digits - Train trials – Read Aloud ****************************************

About

I

Features
Read full description

「I-DID嘉年華」是一款專為香港學童而設的學習遊戲,旨在幫助他們克服讀寫障礙的困難和挑戰。遊戲場景以繽紛的嘉年華會為主題,提供了多種互動挑戰,包括文字拼圖、記憶遊戲和中文語言挑戰等,幫助孩子們提高閱讀、寫作和拼字能力。遊戲設計豐富多彩,並且操作簡單易懂,為患有讀寫障礙的兒童提供了一個有趣及支持性的學習環境,讓他們能夠建立信心並提高語文能力。 "I-DID Carnival" is an engaging game designed to help Chinese children in Hong Kong who have dyslexia. The game is set in a vibrant carnival atmosphere and features a range of interactive challenges that improve reading, writing, and spelling skills in Chinese. With a variety of games to choose from, including word puzzles and memory games, "I-DID Carnival" provides a fun and supportive learning environment. The game's colourful graphics and intuitive gameplay make it an enjoyable way for children with dyslexia to build their confidence and improve their Chinese literacy skills. **************************************** [ 第一階段「視動影蹤」]: - 訓練視覺追蹤、空間感知及手眼協調能力 ——————————————— [ 第二階段「聽音識言」] - 訓練聲音辨識、聽覺記憶及信息處理能力 ——————————————— [ 第三階段「調韻形合」] - 訓練粵語聲調、語音組合及漢字結構能力 ——————————————— [ 第四階段「詞句聯構」] - 訓練詞素解析、句法邏輯及語言組織能力 **************************************** EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ privacy policy: https://tomorrowsbrain.com/privacy

Screenshots

I4 screens
I4 screens

Verdict

The call

The clearest difference is update cadence: I at every 4 days against I's fortnightly. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

I ships an update fortnightly, I every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 5 level
I versus I: the parameters behind the verdict, then further details
ParameterII
PriceFreeFree
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size1.5 GB726 MB
Age rating4+4+
DeveloperXiuli Tongtomorrowsbrain

In-app purchases

None

I

No in-app purchases

None

I

No in-app purchases

Questions

Is I free?
I is free to download, with no in-app purchases.
Is I free?
I is free to download, with no in-app purchases.
Do I or I have ads?
Neither I nor I shows ads.
Which is updated more often, I or I?
I ships an update fortnightly, and I every 4 days. Most recently, I was updated on November 3, 2026 and I on October 31, 2026.

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