# My Valuable Comic Books vs Sync Hemispheres

The clearest difference is price: Sync Hemispheres at Free against My Valuable Comic Books's $0.99. Sync Hemispheres also leads on rating (5.0 vs 4.0) and update cadence (every 2 weeks vs every 2 months). My Valuable Comic Books's advantage is device support (3 vs 1). On ratings volume, ads, in-app purchases and iOS requirement there is nothing between them.

Sync Hemispheres is free to download; My Valuable Comic Books costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sync Hemispheres holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

My Valuable Comic Books ships an update every 2 months, Sync Hemispheres every 2 weeks. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | My Valuable Comic Books | Sync Hemispheres |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/my-valuable-comic-books/id1525943421/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sync-hemispheres/id6755691128/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 138 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Bryan Hall](https://appshunter.io/developer/1464944604) | [John Paul Grigsby](https://appshunter.io/developer/1696719802) |

## What reviewers say

### My Valuable Comic Books

[App page](https://appshunter.io/ios/app/my-valuable-comic-books/id1525943421)

Easily catalog and track the current value of your comic book collection. Organize by brand, series, grade, and rating, with detailed zoomable cover art viewing. Customize reference lists for accurate data entry.

**Highlights:** Track comic book value, Organize by brand, series, grade, Zoomable cover art, Customizable reference lists, Sort by name, date, quantity, value

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

**In-app purchases:** none


### Sync Hemispheres

[App page](https://appshunter.io/ios/app/sync-hemispheres/id6755691128)

Explore different mental states through brainwave entrainment. This app uses binaural beats and ambient sounds to help you achieve deeper rest, better focus, and enhanced dream states. Customize your experience with adjustable frequencies and timers.

**Highlights:** Binaural beats for brainwave entrainment, Selectable brainwave states (Delta, Theta, Alpha, Beta, Gamma), Customizable brainwave timers, Ambient soundscapes (white noise, ocean waves), Blend binaural beats with ambient sounds, NASA satellite photography backgrounds

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is My Valuable Comic Books free?

My Valuable Comic Books costs $0.99, with no in-app purchases.

### Is Sync Hemispheres free?

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

### Which has better reviews, My Valuable Comic Books or Sync Hemispheres?

Sync Hemispheres is rated higher. My Valuable Comic Books averages 4.0 out of 5 from 2 ratings, while Sync Hemispheres averages 5.0 from 3 ratings.

### Do My Valuable Comic Books or Sync Hemispheres have ads?

Neither My Valuable Comic Books nor Sync Hemispheres shows ads.

### Which is updated more often, My Valuable Comic Books or Sync Hemispheres?

My Valuable Comic Books ships an update every 2 months, and Sync Hemispheres every 2 weeks. Most recently, My Valuable Comic Books was updated on November 11, 2026 and Sync Hemispheres on November 5, 2026.

---

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