# HT SMART vs EXIF Data Remover | Echo

The clearest difference is in-app purchases: HT SMART at none against EXIF Data Remover | Echo's 3. HT SMART also leads on iOS requirement (7.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. EXIF Data Remover | Echo sells 3 in-app purchases, starting at $0.99 per month. HT SMART asks for nothing beyond the download.

## The numbers

| Metric | HT SMART | EXIF Data Remover | Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ht-smart/id1253282268/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 44 MB | 36 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [Emircan Ergen](https://appshunter.io/developer/1860746718) |

## What reviewers say

### HT SMART

[App page](https://appshunter.io/ios/app/ht-smart/id1253282268)

Control a toy quadrocopter in real-time using your device. Stream live video directly from the drone to your screen. Compatible with a range of iOS devices.

**Highlights:** Quadrocopter control via WiFi, Real-time video transfer, Live video streaming, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### EXIF Data Remover | Echo

[App page](https://appshunter.io/ios/app/exif-data-remover-echo-vault/id6756922430)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo-Vault - Aylık Plan. | $0.99 | per month |
| Echo-Vault - Senelik Plan. | $5.99 | per year |
| Echo-Vault - Ömürlük Plan. | $12.99 | one-time |


## Frequently asked questions

### Is HT SMART free?

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

### Is EXIF Data Remover | Echo free?

EXIF Data Remover | Echo is free to download, with in-app purchases available.

### Do HT SMART or EXIF Data Remover | Echo have ads?

Neither HT SMART nor EXIF Data Remover | Echo 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.*