why数理 vs Essay.ink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
why数理
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开发了三年的v1.0版即将发布，功能是此版的十倍。 本应用是一个为高中理科题设计的App，仅限讨论理科题目（数理化生等）。应用的主页展示关注的题目、待回答的题目等内容。题目页显示讨论的理科题。应用包含通知页。应用其余功能位于"我的"页，包括分屏、搜索、收藏、配色、小功能、设置、检查更新等等。
Essay.ink
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The first divergence of the AI era may occur between those who write and those who do not, as the rise of generative AI means that writing skills will no longer be a universal requirement but rather a choice. Differences in writing ability will further lead to differences in thinking ability, because writing is a way to promote deep thinking. Essay aims to make textual expression a habit, and at the crossroads of the times, we seek to reclaim the meaning of writing with you. Here, there are no likes, follows, topic orientations, or length preferences. What we are building is a purely textual space that seeks no social recognition. Texts here record, think, and convey subtle resonances between each other. We look forward to your words. Official website: https://www.essay.ink Email: hi@essay.ink
Screenshots
Verdict
The clearest difference is update cadence: why数理 at fortnightly against Essay.ink's every 3 months. why数理 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). On price, 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.
why数理 ships an update fortnightly, Essay.ink every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | why数理 | Essay.ink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 71 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | 靖一 陈 | Sichuan Dumpling Interactive Technology Co., Ltd. |
In-app purchases
why数理
No in-app purchases
Essay.ink
No in-app purchases
