# SUOGONG vs TeraScreen

The clearest difference is in-app purchases: SUOGONG at none against TeraScreen's 3. SUOGONG also leads on iOS requirement (13.0 vs 17.0). TeraScreen's advantage is update cadence (every 6 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. TeraScreen sells 3 in-app purchases, starting at $0.99 per month. SUOGONG asks for nothing beyond the download.

SUOGONG ships an update every 3 months, TeraScreen every 6 days. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SUOGONG | TeraScreen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suogong/id1490214827/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 63 MB | 25 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [水利 严](https://appshunter.io/developer/1440410992) | [Yu Wen Chen](https://appshunter.io/developer/1881930183) |

## What reviewers say

### SUOGONG

[App page](https://appshunter.io/ios/app/suogong/id1490214827)

Track the real-time location of GPS devices and review historical movement data. Set up virtual boundaries to receive immediate alerts when devices leave designated areas. Receive notifications for various events like displacement, low battery, and vibration.

**Highlights:** Real-time GPS device location tracking, Historical location data playback, Electronic safety fence (geo-fencing), Displacement alerts, Low battery notifications, Vibration alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### TeraScreen

[App page](https://appshunter.io/ios/app/terascreen-ev-dashboard/id6761311983)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (6 Months) | $4.99 | per 6 months |
| Premium (1 Year) | $9.99 | per year |


## Frequently asked questions

### Is SUOGONG free?

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

### Is TeraScreen free?

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

### Do SUOGONG or TeraScreen have ads?

Neither SUOGONG nor TeraScreen shows ads.

### Which is updated more often, SUOGONG or TeraScreen?

SUOGONG ships an update every 3 months, and TeraScreen every 6 days. Most recently, SUOGONG was updated on October 7, 2026 and TeraScreen on October 21, 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.*