Comparison

ScheduleScreen vs KOI Keyboard

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

Head to head
About

ScheduleScreen

Features
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A simple lock screen wallpaper generator. See your schedule, stay on track. Saving much of times for you. - Native support system calendar and reminder - Show your appointments and reminders in lockscreen - Provide shortcut to complete task in lock screen - Support auto-change lock screen wallpaper - Fully customise style - over 300+ wallpapers - Stay on focus Hope to see your feedback and create new function for it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

KOI Keyboard

Features
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KOI Keyboard,為繁體中文日常輸入而設。從逐字輸入到中英混打,讓你按自己的習慣打字。 【五種中文輸入方式】 支援倉頡、速成、筆劃、廣東話拼音及台灣注音,配合英文輸入,毋須為中英夾雜的訊息不停切換鍵盤。 【打字方式,由你選擇】 支援滑行輸入、連續倉頡及連續速成。候選字、聯想與中文自動修正,幫你更順手地完成句子;各項功能可按需要開關。部分進階功能需要下載額外資源。 【唔記得點拆?手寫搵字】 內建手寫辨識,方便查找不熟悉的字。日常輸入與手寫互相配合,照顧不同打字習慣。 【游標同按鍵,都可以就手】 滑動移動游標,左右微調,上下作較大幅度移動。可調整鍵盤外觀、按鍵大小、聲音與觸感回饋。 【你的鍵盤,你的外觀】 提供免費外觀,以及可獨立一次性購買的主題。Plus 有效期間可使用全部主題;獨立購買的主題不受 Plus 到期影響。 【KOI Agent】 需要時可使用 Agent 協助回覆、改寫、翻譯、問答及製作圖片與貼圖。Agent 需要網絡連線及完整取用權限,並按功能消耗 Credits;可用功能與費用以 App 內顯示為準。 【清楚的選擇】 核心中文輸入在裝置上處理。你可以自行選擇是否使用雲端 Agent 及 iCloud 同步,亦可在設定中調整各項輸入功能。 Plus 為自動續期訂閱;價格、週期及所包含的權益會在購買前顯示。訂閱由 Apple 帳戶管理,可在 App Store 帳戶設定中取消。其他 App 內購買項目以購買畫面說明為準。 支援:https://koi.rainsday.com/support/ 私隱政策:https://koi.rainsday.com/privacy/ 使用條款:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ScheduleScreen4 screens
KOI Keyboard4 screens

Verdict

The call

The clearest difference is update cadence: KOI Keyboard at every 4 days against ScheduleScreen's every 9 days. KOI Keyboard also leads on iOS requirement (16.0 vs 18). 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. ScheduleScreen sells 3 in-app purchases, starting at $0.99 per month and KOI Keyboard sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ScheduleScreen ships an update every 9 days, KOI Keyboard every 4 days. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 4 level
ScheduleScreen versus KOI Keyboard: the parameters behind the verdict, then further details
ParameterScheduleScreenKOI Keyboard
PriceFreeFree
Update frequencyEvery 9 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS1816.0 — better
Further details — not scored
Size173 MB218 MB
Age rating4+4+
DeveloperShum Wing ChiuChi Yu Cheng

In-app purchases

3 purchases

ScheduleScreen

Subscriptions2
  • One-Month Plan1 Month trial$0.991 Month
  • One-Year Plan$4.991 Year
One-time1
  • One-Time Purchase$7.99
10 purchases

KOI Keyboard

One-time10
  • 稜鏡主題$0.99
  • 脈衝主題$0.99
  • 浮影主題$0.99
Show 7 more
  • 座標主題$0.99
  • 翹角主題$0.99
  • 柔丘主題$0.99
  • 隱翹主題$0.99
  • 隱翹・律主題$0.99
  • 隱翹・霓主題$0.99
  • KOI Keyboard Sizing$1.99

Questions

Is ScheduleScreen free?
ScheduleScreen is free to download, with in-app purchases available.
Is KOI Keyboard free?
KOI Keyboard is free to download, with in-app purchases available.
Do ScheduleScreen or KOI Keyboard have ads?
Neither ScheduleScreen nor KOI Keyboard shows ads.
Which is updated more often, ScheduleScreen or KOI Keyboard?
ScheduleScreen ships an update every 9 days, and KOI Keyboard every 4 days. Most recently, ScheduleScreen was updated on October 6, 2026 and KOI Keyboard on October 28, 2026.

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