Sustainable world AR vs e 筆
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sustainable world AR
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本教學軟體為國立台北教育大學玩具與遊戲設計研究所-盧妹如教授研究團隊開發,針對國小學童透過遊戲過程中理解永續環保對於生態的重要性,藉由遊戲的方式以及擴增實境技術,針對種環境的介紹、菌絲體的的特性以及功能、再生能源的使用,搭配昆蟲圖鑑之內容了解各種昆蟲的相關知識。本軟體不單只是擁有教育的本質,更使學童沈浸探險的世界,遊戲過程中不僅可以理解永續生態本質,菌絲體所預期發展,更可以認識約21種台灣常的昆蟲品種以及生長的棲息環境,經由遊戲的過程中與相同年齡層的同學,相互切磋相互長,同時還有AR擴增實境功能,可配合昆蟲生態屋教材使用。 目前圖鑑內容中， 收錄了「獨角仙、鍬形蟲、瓢蟲、蝴蝶、蚱蜢、螳螂、螞蟻、蜜蜂、蜻蜓、天牛、螢火蟲」等11種昆蟲。 「擴增實境昆蟲圖卡」下載網址：https://drive.google.com/drive/folders/1WKt2eyGYtS0bCRdVBWgasDcbIywrl9ML?usp=sharing 歡迎關注我們的官方網站：https://ludildlab.wixsite.com/lulab 歡迎關注我們的 Facebook :https://www.facebook.com/DILD-Lab-103551821060127/
e 筆
Practice calligraphy and drawing with adjustable stroke thickness and background grids. Features dedicated modes for stroke control, character practice, and poetry writing, allowing users to save their creations. Ideal for all ages to experience the joy of writing without traditional tools.
- Adjustable stroke thickness and color
- Customizable background grids
- Dedicated character practice modes
- Poetry writing feature
- Save and store created works
- Suitable for all ages
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提供文字書寫及繪畫功能，包含筆畫粗細濃淡、背景格線色調，除此之外專屬的練字還提供控筆、運筆、生字練習和詩詞寫作，並可在這裡找到自己儲存的精彩作品。老少咸宜完全適合各年齡層的文字練習，讓人不需準備傳統的筆墨紙硯，就能以觸控筆習字，體驗文字的樂趣。
Screenshots
Verdict
The clearest difference is ads: e 筆 at none against Sustainable world AR's shown. Sustainable world AR's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, update cadence 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 every 3 weeks. The most recent releases landed on December 2, 2025 and October 9, 2026 respectively.
| Parameter | Sustainable world AR | e 筆 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 353 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | Lu Su-Ju | STUDIO A |
In-app purchases
Sustainable world AR
No in-app purchases
e 筆
No in-app purchases
