# スマートコインロッカーSPACER vs EarFun Audio

The clearest difference is review sentiment: EarFun Audio at 29% against スマートコインロッカーSPACER's 2%. EarFun Audio also leads on ratings volume (1.1K vs 15) and rating (4.7 vs 4.4). On price, ads, in-app purchases and device support there is nothing between them.

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

EarFun Audio holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: EarFun Audio has 1.1K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 2% of スマートコインロッカーSPACER's written reviews are positive against 29% of EarFun Audio's.

スマートコインロッカーSPACER ships an update every 6 weeks, EarFun Audio every 11 days. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | スマートコインロッカーSPACER | EarFun Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/spacer/id1200289673/reviews) | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/earfun-audio/id1612795156/reviews)** |
| Number of ratings | 15 | **1.1K** |
| Positive reviews | 2.0% of reviews | **29.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Ad-supported | **Free** |
| Size | 63 MB | 255 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SPACER Co., Ltd.](https://appshunter.io/developer/1052521521) | [Earfun Technology (HK) Limited](https://appshunter.io/developer/1612795158) |

## What reviewers say

### スマートコインロッカーSPACER

[App page](https://appshunter.io/ios/app/spacer/id1200289673)

This app allows you to send, store, and reserve smart coin lockers using your smartphone. Electronic keys can be sent and received via your phone, enabling seamless luggage exchange between users without direct contact. It aims to revolutionize logistics by facilitating convenient item transfers.

**Highlights:** Send, store, and reserve smart lockers, Smartphone-controlled electronic keys, Send and receive keys via app, Facilitates contactless item exchange, Supports EC proximity transactions, Future-proof logistics solution

**Features:** Vision Pro support

**In-app purchases:** none


### EarFun Audio

[App page](https://appshunter.io/ios/app/earfun-audio/id1612795156)

This app enhances your listening experience with compatible wireless audio devices. Customize settings, optimize sound, and access helpful resources like guides and firmware updates for a personalized audio journey.

**Highlights:** Customize earbud settings, Optimize sound effects, Access FAQs and guides, Firmware updates, Personalized listening experience

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good sound quality
- 👍 Great value for money
- 👍 Customizable EQ and controls
- 🚀 Easy setup and pairing
- 👍 Decent noise cancellation

**What reviewers complain about**

- 🐛 Buggy app with connectivity issues
- 🐛 Settings and customizations get lost with updates
- 🔒 Privacy concerns with app data collection
- 🐛 Laggy and unresponsive app
- 🐛 App doesn't recognize or support some earbuds

**Reported bugs**

- App doesn't detect connected earbuds
- Settings and preferences not saving
- Frequent app crashes and disconnects
- Slow or unresponsive touch controls
- Compatibility issues with certain devices

**Requested features**

- Widgets for battery status and controls
- Multipoint pairing priority option
- More customization options in the app
- Firmware update support for older models
- Apple Watch app integration


## Frequently asked questions

### Is スマートコインロッカーSPACER free?

スマートコインロッカーSPACER is free to download, with no in-app purchases.

### Is EarFun Audio free?

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

### Which has better reviews, スマートコインロッカーSPACER or EarFun Audio?

EarFun Audio is rated higher. スマートコインロッカーSPACER averages 4.4 out of 5 from 15 ratings, while EarFun Audio averages 4.7 from 1.1K ratings.

### Do スマートコインロッカーSPACER or EarFun Audio have ads?

Neither スマートコインロッカーSPACER nor EarFun Audio shows ads.

### Which is updated more often, スマートコインロッカーSPACER or EarFun Audio?

スマートコインロッカーSPACER ships an update every 6 weeks, and EarFun Audio every 11 days. Most recently, スマートコインロッカーSPACER was updated on September 24, 2026 and EarFun Audio on September 27, 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.*