OiO client vs Yuan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OiO client
Read full descriptionHide full description
讀萬卷書不如行萬里路。 而現在你有一個新的選擇。 有空就看電子書，想到就踏上旅途，透過互動連結深入挖掘喜愛的事物！ 在陌生的環境擔心迷路？ OiO運用AR呈現事物與用戶之間對應的地理位置，不用低頭，安全不迷路。 內含豐富多元的資訊，旅遊導覽、各式圖書、店家點餐、預購下訂等內容應有盡有。 搜尋內容 ◆ 在搜尋欄輸入【完整書名】直接連結至你要的書籍 ◆ 在搜尋欄輸入【數字】探索搜尋距離內的書籍 收藏 ◆ 下載喜歡的書籍 ◆ 離線觀看，不再受限於網路訊號 多元資訊連結 ◆ 圖像 ◆ 音檔 ◆ 網頁 互動觸發 ◆ 地理位置觸發 - 抵達設定地點即可觸發內容 ◆ 手動點擊觸發 - 點擊互動範圍即可觸發內容 有任何使用問題或寶貴建議嗎？歡迎聯繫我們 ◆ 臉書粉絲專頁 https://www.facebook.com/profile.php?id=100086604207278
Yuan
Read full descriptionHide full description
A note-taking app written with a smart stylus. 1. Connect to smart pen 2. Update smart pen writing track in real time 3. Play back writing 4. Smart sharing, print notes
Screenshots
Verdict
The clearest difference is iOS requirement: Yuan at 13.0 against OiO client's 15.0. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.
| Parameter | OiO client | Yuan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 315 MB | 78 MB |
| Age rating | 4+ | 17+ |
| Developer | 7 Hz Inc. | HAOU TECHNOLOGY CO.,LTD |
In-app purchases
OiO client
No in-app purchases
Yuan
No in-app purchases
