cova vs 字韵
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
cova
Create visually appealing notes by combining text and photos into a single, shareable image. Customize your notes with various formatting options, paper styles, and dark mode support. Your data remains private on your device.
- Combine text and photos
- Customizable text formatting
- Multiple paper styles
- Dark mode support
- Data export and import
- Undo delete functionality
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cova is a simple notes app: write, add photos, and turn the note into one clean, good-looking long image to save or share. · Write: text size, bold, italic, underline, strikethrough, 8 colors and 5 Chinese typefaces · Photos: add several at once, in the order you pick them · Export: 4 margins and 6 papers (White, Cream, Sage, Mist, Blush, Night) with a live preview; very long notes are split into parts automatically · Dark mode throughout, with colored text that stays readable on every background · Your notes stay on your phone; export and import all your data any time; undo a delete No account, no ads, no data collected.
字韵
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字韵是一款专业的汉字读音查询与转换工具,带你穿越时空,探索汉字读音的源流与演变。 核心功能 多种读音转换 中古音:查询汉字的中古汉语发音(《切韵》音系),适合古典诗词研究、音韵学学习 拼音:现代汉语标准拼音,支持声调标注 音读:日语汉字音读(吴音、汉音等) 方言读音:支持多种汉语方言读音查询 简繁转换 支持简体字与繁体字双向转换 中古音查询建议输入繁体字以获得更准确结果 对照模式 一键开启对照模式,并排显示不同读音系统 方便对比中古音与现代音、汉语与日语的对应关系 实用工具 历史记录:自动保存所有转换记录,支持搜索和批量管理 收藏功能:收藏常用汉字或生僻字,支持导出/导入备份 分享与复制:一键分享转换结果或复制到剪贴板 深色模式:支持明暗主题切换,呵护双眼 适用人群 语言学、音韵学研究者与学生 古典诗词、古文爱好者 日语学习者(汉字音读查询) 方言研究与学习者 对汉字文化感兴趣的普通用户 使用提示 中古音查询建议输入繁体字,可获得更准确的发音结果。对照模式下可同时查看多种音系,方便对比研究。
Screenshots
Verdict
The clearest difference is iOS requirement: 字韵 at 13.0 against cova's 15.0. 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | cova | 字韵 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Bin Hua | 其诺 吕 |
In-app purchases
cova
No in-app purchases
字韵
No in-app purchases









