Math Formulas vs 古籍选
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math Formulas
Access over 100 high school level math formulas covering algebra, geometry, calculus, trigonometry, probability, and statistics. Includes examples for clarity and a search function to quickly find needed information. Ideal for students, teachers, and math enthusiasts.
- 100+ math formulas
- Algebra, geometry, calculus, trig
- Probability and statistics
- Formulas with examples
- Powerful search function
- Favorite formulas
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Over 100 math formulas at high school level. The covered areas include algebra, geometry, calculus, trigonometry, probability and statistics. Most of the formulas come with examples for better understanding. Use the powerful search function to find what you are looking for and mark your favorites for easier access. A convenient tool for students and teachers and a handy reference for anyone interested in math! Reviews “Handy for reminding you of math formulas on the fly” - Wired GeekDad “A very user friendly educational app” – Applicable2u “A great app for higher level math” – iPad Pilot Project, School District of Palm Beach County
古籍选
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古籍选无需注册和登录，不记录用户信息。它可以搜索到大量的古籍网络资源，可以进行横向选择和对比，对于搜索、研究和阅读古籍非常地便利。目前所能搜索到的资源只是一小部分，仅就阅读而言其文字量已经非常庞大。随着该应用版本的升级，还会有更多的资源可以搜索。由于网络资源分布在不同机构的服务器上，不排除链接会失效，所以经常阅读的内容建议下载保存。
Screenshots
Verdict
The clearest difference is price: 古籍选 at Free against Math Formulas's $0.99. 古籍选 also leads on iOS requirement (15.6 vs 17.6). Math Formulas's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 4 months). On ads 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
古籍选 is free to download; Math Formulas costs $0.99 up front. 古籍选 sells 1 one-off in-app purchase. Math Formulas asks for nothing beyond the download.
Math Formulas ships an update monthly, 古籍选 every 4 months. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.
| Parameter | Math Formulas | 古籍选 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.1 (11 ratings) — better | — |
| Positive reviews | 67.5% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 18 MB | 66 MB |
| Age rating | 4+ | 12+ |
| Developer | Oddrobo Software AB | 朝军 付 |
In-app purchases
Math Formulas
No in-app purchases
古籍选
- 激励$15.99
