# Insight Books vs Rounding Errors

The clearest difference is device support: Insight Books at 3 against Rounding Errors's 1. Insight Books also leads on iOS requirement (15.0 vs 26.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Insight Books sells 5 in-app purchases, starting at $6.99 per month and Rounding Errors sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Insight Books | Rounding Errors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (60 ratings)](https://appshunter.io/ios/app/insight-books-learn-and-apply/id6446802544/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 17 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [UofHappy, LLC](https://appshunter.io/developer/986232304) | [scad.io](https://appshunter.io/developer/1014979997) |

## What reviewers say

### Insight Books

[App page](https://appshunter.io/ios/app/insight-books-learn-and-apply/id6446802544)

Access summaries of over 6,000 nonfiction books and apply key ideas to your life. An AI mentor guides reflection, and personalized strategies help build a daily growth habit. Listen to audio summaries on the go.

**Highlights:** Concise book summaries, AI-powered reflection questions, Actionable strategies for daily life, Daily growth habit building, Audio summaries for on-the-go listening, Personalized book recommendations

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insight Monthly | $6.99 | per month |
| Insight Journal Monthly | $6.99 | per month |
| Insight Journal Yearly | $35.99 | per year |
| Insight Journal Yearly | $35.99 | per year |
| Insight Journal Subscription | $35.99 | per year |


### Rounding Errors

[App page](https://appshunter.io/ios/app/rounding-errors/id6787504272)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Challenge Dr. Super Smart AI | $1.99 | one-time |


## Frequently asked questions

### Is Insight Books free?

Insight Books is free to download, with in-app purchases available.

### Is Rounding Errors free?

Rounding Errors is free to download, with in-app purchases available.

### Do Insight Books or Rounding Errors have ads?

Neither Insight Books nor Rounding Errors shows ads.

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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.*