Comparison

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.

Head to head
About

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.

Highlights
  • Integral calculation
  • Composite function integration
  • Detailed calculation steps
  • Quick problem solving
  • Easy function input
Features
Read 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

About

试题库

Read 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

Functions and integrals4 screens
试题库4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Functions and integrals sells 2 one-off in-app purchases. 试题库 asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 4 level
Functions and integrals versus 试题库: the parameters behind the verdict, then further details
ParameterFunctions and integrals试题库
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 5 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS9.0 — better17
Further details — not scored
Size28 MB18 MB
Age rating4+17+
DeveloperMaxime Haeyaert中科软股教育科技(北京)股份有限公司

In-app purchases

2 purchases

Functions and integrals

One-time2
  • Advertising$0.99
  • Details and Formulas$1.99
None

试题库

No in-app purchases

Questions

Is Functions and integrals free?
Functions and integrals is free to download, with in-app purchases available.
Is 试题库 free?
试题库 is free to download, with no in-app purchases.
Do Functions and integrals or 试题库 have ads?
Neither Functions and integrals nor 试题库 shows ads.
Which is updated more often, Functions and integrals or 试题库?
Functions and integrals ships an update every 5 days, and 试题库 every 3 months. Most recently, Functions and integrals was updated on September 28, 2026 and 试题库 on October 17, 2026.

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