# NanoShelf vs DuoCorder+

The clearest difference is price: DuoCorder+ at $2.99 against NanoShelf's $9.99. DuoCorder+ also leads on chart position (#119 vs unranked). NanoShelf's advantage is device support (4 vs 2). On rating, ratings volume, ads and in-app purchases there is nothing between them.

NanoShelf costs $9.99 and DuoCorder+ $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for NanoShelf against 5.0 for DuoCorder+. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | NanoShelf | DuoCorder+ |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nanoshelf/id6800173831/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/duocorder-plus/id6822322155/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Paid | Paid |
| Best chart rank | — | **#119** |
| Size | 77 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [恒俭 董](https://appshunter.io/developer/947356968) | [James Roche](https://appshunter.io/developer/1896491450) |

## What reviewers say

### NanoShelf

[App page](https://appshunter.io/ios/app/nanoshelf/id6800173831)

Access and play your personal media library from various servers and local folders. Browse movies, series, and music with touch-friendly views and advanced playback options. Manage your media and continue watching or listening across devices.

**Highlights:** Connect to Emby, Jellyfin, Plex, and OpenSubsonic servers, Browse local folders via Files app, Continue watching/listening across devices, Select audio tracks, subtitles, and adjust timing, Manage music playback queue, Download for offline playback

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### DuoCorder+

[App page](https://appshunter.io/ios/app/duocorder-plus/id6822322155)

**Currently charting:** #119 Top Paid · Utilities (US App Store)

Transform your iPhone into a handheld sensor scanner. Explore environmental data like sound, air pressure, and magnetic fields with a retro-futuristic interface. Set custom alerts and track 24-hour trends for your sensor readings.

**Highlights:** Live sensor scanning, Retro-futuristic display, Customizable alerts, 24-hour trend charts, Metal detector mode, Data export (CSV), Privacy-focused design

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

**In-app purchases:** none


## Frequently asked questions

### Is NanoShelf free?

NanoShelf costs $9.99, with no in-app purchases.

### Is DuoCorder+ free?

DuoCorder+ costs $2.99, with no in-app purchases.

### Which has better reviews, NanoShelf or DuoCorder+?

NanoShelf and DuoCorder+ are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do NanoShelf or DuoCorder+ have ads?

Neither NanoShelf nor DuoCorder+ 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.*