ScheduleScreen vs KOI Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScheduleScreen
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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/
KOI Keyboard
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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
Verdict
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
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.
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.
| Parameter | ScheduleScreen | KOI Keyboard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 18 | 16.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 218 MB |
| Age rating | 4+ | 4+ |
| Developer | Shum Wing Chiu | Chi Yu Cheng |
In-app purchases
ScheduleScreen
- One-Month Plan1 Month trial$0.991 Month
- One-Year Plan$4.991 Year
- One-Time Purchase$7.99
KOI Keyboard
- 稜鏡主題$0.99
- 脈衝主題$0.99
- 浮影主題$0.99
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- 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?
Is KOI Keyboard free?
Do ScheduleScreen or KOI Keyboard have ads?
Which is updated more often, ScheduleScreen or KOI Keyboard?
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