# Answer Book vs ZenLevel

The clearest difference is monetization model: ZenLevel at free against Answer Book's paid. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Answer Book | ZenLevel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zenlevel/id6762086055/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 9 MB | 4 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [江武 李](https://appshunter.io/developer/1782724925) | [YANMIN WANG](https://appshunter.io/developer/1867998387) |

## What reviewers say

### Answer Book

[App page](https://appshunter.io/ios/app/answer-book-wisdom-guide/id6740632823)

This app provides instant, thoughtful answers to your life's questions. It's designed to offer perspective for decisions, help with everyday dilemmas, and guide you toward clarity. Enjoy a simple, intuitive interface for seeking wisdom anytime, anywhere.

**Highlights:** Instant answers to questions, Wise and inspiring responses, Clean, minimal interface, Offline functionality, Guidance for decisions, Intuitive user experience

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

**In-app purchases:** none


### ZenLevel

[App page](https://appshunter.io/ios/app/zenlevel/id6762086055)

Transform your device into a precision inclinometer with a calm, deliberate feel. Offers multiple measurement modes for surface, plumb, and calibration, with a history log for saved readings. Designed with a focus on privacy and a realistic tool aesthetic.

**Highlights:** Surface measurement mode, Plumb measurement mode, Calibration and zeroing, Measurement history log, Landscape precision mode, Haptic feedback, Privacy-focused design

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

**In-app purchases:** none


## Frequently asked questions

### Is Answer Book free?

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

### Is ZenLevel free?

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

### Do Answer Book or ZenLevel have ads?

Neither Answer Book nor ZenLevel shows ads.

### Which is updated more often, Answer Book or ZenLevel?

Answer Book ships an update every 5 months, and ZenLevel every 5 months. Most recently, Answer Book was updated on October 15, 2026 and ZenLevel on October 19, 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.*