# SD Import vs Hear Through Walls

The clearest difference is rating: Hear Through Walls at 4.5 against SD Import's 3.7. Hear Through Walls also leads on in-app purchases (none vs 1) and ratings volume (53 vs 3). SD Import's advantage is update cadence (every 2 days vs every 4 weeks). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. SD Import sells 1 one-off in-app purchase. Hear Through Walls asks for nothing beyond the download.

Hear Through Walls holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Hear Through Walls has 53 ratings behind it against 3, so its average is the more settled of the two.

SD Import ships an update every 2 days, Hear Through Walls every 4 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | SD Import | Hear Through Walls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/sd-import/id6761322690/reviews) | **[4.5 (53 ratings)](https://appshunter.io/ios/app/hear-through-walls/id6791780146/reviews)** |
| Number of ratings | 3 | **53** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 6 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [海龙 李](https://appshunter.io/developer/1824464520) | [Ronald Lumor](https://appshunter.io/developer/1874119930) |

## What reviewers say

### SD Import

[App page](https://appshunter.io/ios/app/sd-import/id6761322690)

Easily transfer photos and videos from your camera's SD card directly to your iPhone's photo library. Supports RAW formats and offers smart scanning to organize your media by date, preserving EXIF data. Pro upgrade unlocks unlimited imports and one-tap card cleanup.

**Highlights:** Real-time import progress, One-tap card cleanup (Pro), RAW format support, Smart scanning for media, Date grouping, EXIF preservation, Storage check before import

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁无限导入 | $4.99 | one-time |


### Hear Through Walls

[App page](https://appshunter.io/ios/app/hear-through-walls/id6791780146)

This app transforms your iPhone into a live hearing amplifier and remote microphone. It allows you to listen to sounds from another room or through walls by streaming audio from your device's microphone to connected Bluetooth earbuds.

**Highlights:** Live hearing amplification, Remote microphone functionality, Listen through walls, Audio baby monitoring, TV listening device, Bluetooth earbud integration

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

**In-app purchases:** none


## Frequently asked questions

### Is SD Import free?

SD Import is free to download, with in-app purchases available.

### Is Hear Through Walls free?

Hear Through Walls is free to download, with no in-app purchases.

### Which has better reviews, SD Import or Hear Through Walls?

Hear Through Walls is rated higher. SD Import averages 3.7 out of 5 from 3 ratings, while Hear Through Walls averages 4.5 from 53 ratings.

### Do SD Import or Hear Through Walls have ads?

Neither SD Import nor Hear Through Walls shows ads.

### Which is updated more often, SD Import or Hear Through Walls?

SD Import ships an update every 2 days, and Hear Through Walls every 4 weeks. Most recently, SD Import was updated on October 31, 2026 and Hear Through Walls on October 31, 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.*