Graycode vs 古汉语字典大全
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Graycode
This utility converts numbers between decimal, hexadecimal, binary, and Gray code formats. Changes to one value automatically update the others, making it a convenient tool for engineers. It also features an animated demonstration of the Tower of Hanoi puzzle.
- Decimal, hex, binary, Gray code conversion
- Real-time updates
- Handy calculator for engineers
- Animated Tower of Hanoi solution
- Supports iPhone, iPad, iPod
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This app is used to convert numbers among decimal, hex, binary and gray code. If a user changes any one of these numbers, the other ones will change accordingly. It is a handy calculator for engineers to obtain the binary or gray code values from a decimal, or vise versa. In addition, an animated solution of a Hanoi Tower with three disks is also demonstrated based on the input number.
古汉语字典大全
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古汉语字典，本古汉语字典共计收录古汉字6359个，可查询日常古籍里汉字的详细解释，是学习古代汉语和阅读古籍的好工具。 核心功能： - 古汉语单字查询 - 词性、释义、例句、出处展示 - 多字输入，逐字返回查询结果 - 部分例句提供整句译文 - 古文栏目，支持课内文言文与拓展阅读 - 收藏常用字词与文章 - 离线使用，启动后即可查阅本地内容 会员订阅权益： - 无限次查词 - 去除广告 - 解锁古文栏目完整内容 适用人群： - 初中、高中学生 - 语文教师与家长 - 古文入门与兴趣阅读用户 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: 古汉语字典大全 at Free against Graycode's $2.99. 古汉语字典大全 also leads on rating (4.0 vs 3.0). Graycode's advantage is in-app purchases (none vs 4) and ads (none vs shown). On ratings volume, update cadence 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
古汉语字典大全 is free to download; Graycode costs $2.99 up front. 古汉语字典大全 sells 4 in-app purchases, starting at $0.99 per month. Graycode asks for nothing beyond the download.
古汉语字典大全 holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 67% of Graycode's written reviews are positive against 56% of 古汉语字典大全's, so the app with the better star average is not the one people write more warmly about.
Graycode ships an update every 10 months, 古汉语字典大全 every 6 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.
| Parameter | Graycode | 古汉语字典大全 |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.0 (2 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews — better | 56.3% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 10 months | Every 6 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 77 MB |
| Age rating | 4+ | 17+ |
| Developer | Duo Pisceses, Inc. | 运涛 余 |
Customer experience
Graycode
古汉语字典大全
In-app purchases
Graycode
No in-app purchases
古汉语字典大全
- 月度会员$0.991 Month
- 年度会员$0.991 Year
- 解锁所有功能$0.99
- 永久会员$2.99
