# CtrlLive vs SOS Viewer

The clearest difference is in-app purchases: SOS Viewer at none against CtrlLive's 11. CtrlLive's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CtrlLive sells 11 one-off in-app purchases. SOS Viewer asks for nothing beyond the download.

CtrlLive ships an update every 3 weeks, SOS Viewer fortnightly. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CtrlLive | SOS Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ctrllive/id6738761221/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 368 MB | 66 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Yujian Information Technology Co., Ltd.](https://appshunter.io/developer/1489296038) | [Tech Tree Sdn Bhd](https://appshunter.io/developer/1756843252) |

## What reviewers say

### CtrlLive

[App page](https://appshunter.io/ios/app/ctrllive/id6738761221)

Control toy cars remotely from a first-person perspective. Engage in real-time voice communication while operating devices for fun and entertainment.

**Highlights:** Remote device operation, First-person perspective viewing, Real-time voice communication, Leisure and entertainment focus, Anytime, anywhere access

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 420血 | $0.99 | one-time |
| 700血 | $1.99 | one-time |
| 1050血 | $1.99 | one-time |
| 1960血 | $3.99 | one-time |
| 3360血 | $6.99 | one-time |
| 6860血 | $14.99 | one-time |
| 11760血 | $24.99 | one-time |
| 20860血 | $39.99 | one-time |
| 34860血 | $69.99 | one-time |
| 69860血 | $139.99 | one-time |
| 139860血 | $279.99 | one-time |


### SOS Viewer

[App page](https://appshunter.io/ios/app/sos-viewer/id6742965163)

**In-app purchases:** none


## Frequently asked questions

### Is CtrlLive free?

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

### Is SOS Viewer free?

SOS Viewer is free to download, with no in-app purchases.

### Do CtrlLive or SOS Viewer have ads?

Neither CtrlLive nor SOS Viewer shows ads.

### Which is updated more often, CtrlLive or SOS Viewer?

CtrlLive ships an update every 3 weeks, and SOS Viewer fortnightly. Most recently, CtrlLive was updated on September 28, 2026 and SOS Viewer on September 24, 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.*