# 何洛应用锁 vs Robot72

The clearest difference is device support: Robot72 at 3 against 何洛应用锁's —. 何洛应用锁's advantage is iOS requirement (13.0 vs 18.2). On price and in-app purchases there is nothing between them.

Both are free to download. 何洛应用锁 sells 7 in-app purchases, starting at $4.99 per 7 days and Robot72 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 何洛应用锁 | Robot72 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (11 ratings)](https://appshunter.io/ios/app/robot72-sstv-decoder/id6764195382/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 85 MB | 36 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | — | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [淮安何河何洛信用信息科技有限公司](https://appshunter.io/developer/1635105003) | [晨阳 段](https://appshunter.io/developer/1791560858) |

## What reviewers say

### 何洛应用锁

[App page](https://appshunter.io/ios/app/id6475334904)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 存储空间5G | $2.99 | one-time |
| 存储空间20G | $6.99 | one-time |
| 一年会员 | $14.99 | one-time |
| 终身会员 | $24.99 | one-time |
| 存储空间188G | $29.99 | one-time |
| 存储空间1T | $39.99 | one-time |


### Robot72

[App page](https://appshunter.io/ios/app/robot72-sstv-decoder/id6764195382)

Decode amateur radio SSTV transmissions into images or encode your own photos as audio. This app offers a wide range of SSTV modes and runs entirely on your device for privacy.

**Highlights:** Auto-detect SSTV modes, Decode live audio or WAV files, Encode photos to SSTV audio, Extensive SSTV mode support, Decoding history with thumbnails, Save and share decoded images

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Robot72 Pro | $6.99 | one-time |


## Frequently asked questions

### Is 何洛应用锁 free?

何洛应用锁 is free to download, with in-app purchases available.

### Is Robot72 free?

Robot72 is free to download, with in-app purchases available.

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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.*