# Integral Calculator with Steps vs Callback

The clearest difference is in-app purchases: Callback at none against Integral Calculator with Steps's 1. Callback also leads on ads (none vs shown). Integral Calculator with Steps's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price there is nothing between them.

Both are free to download. Integral Calculator with Steps sells 1 one-off in-app purchase. Callback asks for nothing beyond the download.

## The numbers

| Metric | Integral Calculator with Steps | Callback |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (23 ratings)](https://appshunter.io/ios/app/integral-calculator-with-steps/id1593386062/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Vladimir Babin](https://appshunter.io/developer/1557125814) |

## What reviewers say

### Integral Calculator with Steps

[App page](https://appshunter.io/ios/app/integral-calculator-with-steps/id1593386062)

This free tool helps you evaluate integrals instantly, providing step-by-step calculations for both definite and indefinite integrals. It simplifies complex functions and offers accurate results with a user-friendly interface and an advanced scientific keyboard.

**Highlights:** Instant integral evaluation, Step-by-step calculations, Definite and indefinite integrals, User-friendly interface, Advanced scientific keyboard, Downloadable PDF results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Integral Calculator Premium | $4.99 | one-time |


### Callback

[App page](https://appshunter.io/ios/app/callback-interview-prep/id6796242315)

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

**In-app purchases:** none


## Frequently asked questions

### Is Integral Calculator with Steps free?

Integral Calculator with Steps is free to download, with in-app purchases available.

### Is Callback free?

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

### Do Integral Calculator with Steps or Callback have ads?

Integral Calculator with Steps shows ads; Callback does not.

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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.*