# Functions and integrals vs Triangle Calculators

The clearest difference is in-app purchases: Triangle Calculators at none against Functions and integrals's 2. Functions and integrals's advantage is ads (none vs shown) and update cadence (every 5 days vs every 26 months). On price, review sentiment and device support there is nothing between them.

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

Functions and integrals ships an update every 5 days, Triangle Calculators every 26 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | Functions and integrals | Triangle Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/triangle-calculators/id1553722101/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 26 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 28 MB | 39 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Functions and integrals

[App page](https://appshunter.io/ios/app/functions-and-integrals/id1331081431)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertising | $0.99 | one-time |
| Details and Formulas | $1.99 | one-time |


### Triangle Calculators

[App page](https://appshunter.io/ios/app/triangle-calculators/id1553722101)

This app simplifies triangle calculations with intuitive inputs and clear diagrams. It covers various triangle types and theorems, offering over 125 calculations and supporting multiple units and languages.

**Highlights:** 125+ triangle calculations, Visual diagrams, Built-in formulas, Multiple unit support, 7 language options, Explores triangle types and theorems

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Functions and integrals free?

Functions and integrals is free to download, with in-app purchases available.

### Is Triangle Calculators free?

Triangle Calculators is free to download, with no in-app purchases.

### Do Functions and integrals or Triangle Calculators have ads?

Triangle Calculators shows ads; Functions and integrals does not.

### Which is updated more often, Functions and integrals or Triangle Calculators?

Functions and integrals ships an update every 5 days, and Triangle Calculators every 26 months. Most recently, Functions and integrals was updated on September 28, 2026 and Triangle Calculators on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*