Functions and integrals vs 试题库
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Functions and integrals
This app quickly resolves integrals using a powerful algorithm. It calculates integrals of functions and composite functions, providing detailed steps for easy exercise solving and calculation checking. Simply input your function and let the app handle the rest.
- Integral calculation
- Composite function integration
- Detailed calculation steps
- Quick problem solving
- Easy function input
Read full descriptionHide full description
Thanks to this application, the integrals can be resolved quickly, thanks to the powerful algorithm used. The application makes it possible to calculate the integrals of a function, a composite function and to propose the details of the calculations. It is now easier to solve exercises and check his calculations. And with a simple click! Just enter your function and the application takes care of the rest. Feel free to put notices to advance this application and we can bring new features. For any question / suggestion: TeamTrigoIOS@gmail.com
试题库
Read full descriptionHide full description
试题库APP是一款将海量优质学习资源与实用学习功能有机融合的学习软件。考试库涵盖英语类、计算机类、考研类、公务员类、财经类、司法类、医学类、工程类、专升本类、自考类、职业资格类、实用职业技能类等热门考试科目,提供名师精讲教学视频、历年真题/模拟题等优质学习资源。试题库还提供课程学练、模拟自测专项练习、学习进展、错题记录、错题组卷、智能考试等学习功能,为您日常学习与复习备考提供一站式服务。
Screenshots
Verdict
The clearest difference is in-app purchases: 试题库 at none against Functions and integrals's 2. Functions and integrals's advantage is update cadence (every 5 days vs every 3 months) and device support (3 vs 1). On price and ads 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. Functions and integrals sells 2 one-off in-app purchases. 试题库 asks for nothing beyond the download.
Functions and integrals ships an update every 5 days, 试题库 every 3 months. The most recent releases landed on September 28, 2026 and October 17, 2026 respectively.
| Parameter | Functions and integrals | 试题库 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 5 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17 |
| Further details — not scored | ||
| Size | 28 MB | 18 MB |
| Age rating | 4+ | 17+ |
| Developer | Maxime Haeyaert | 中科软股教育科技(北京)股份有限公司 |
In-app purchases
Functions and integrals
- Advertising$0.99
- Details and Formulas$1.99
试题库
No in-app purchases
Questions
Is Functions and integrals free?
Is 试题库 free?
Do Functions and integrals or 试题库 have ads?
Which is updated more often, Functions and integrals or 试题库?
Other comparisons















