# Exponent Calculator vs MistakeBook

The clearest difference is review sentiment: MistakeBook at 100% against Exponent Calculator's 0%. Exponent Calculator's advantage is price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Exponent Calculator costs $0.99 and MistakeBook $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Exponent Calculator | MistakeBook |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/exponent-calculator/id6443886239/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Paid | Paid |
| Size | 1 MB | 26 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### Exponent Calculator

[App page](https://appshunter.io/ios/app/exponent-calculator/id6443886239)

Perform calculations involving exponents, including addition, subtraction, multiplication, and division. This app is designed for offline use, offering a fast, intuitive, and clutter-free experience for all your exponentiation needs.

**Highlights:** Offline functionality, Add exponents, Subtract exponents, Multiply exponents, Divide exponents, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-wrong-answer-log/id6770173206)

Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.

**Highlights:** Log mistakes with photos and notes, Organize by subject and custom tags, Spaced repetition review mode, Ebbinghaus forgetting curve schedule, Progress charts and stats dashboard, Data import/export backup

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

**In-app purchases:** none


## Frequently asked questions

### Is Exponent Calculator free?

Exponent Calculator costs $0.99, with no in-app purchases.

### Is MistakeBook free?

MistakeBook costs $1.99, with no in-app purchases.

### Do Exponent Calculator or MistakeBook have ads?

Neither Exponent Calculator nor MistakeBook shows ads.

---

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