# HENGQI PLAY vs Stringline

The clearest difference is in-app purchases: HENGQI PLAY at none against Stringline's 1. HENGQI PLAY also leads on iOS requirement (11.0 vs 15.1). Stringline's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Stringline sells 1 one-off in-app purchase. HENGQI PLAY asks for nothing beyond the download.

HENGQI PLAY ships an update every 2 months, Stringline every 2 weeks. The most recent releases landed on October 22, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | HENGQI PLAY | Stringline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (8 ratings)](https://appshunter.io/ios/app/hengqi-play/id6451192604/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 196 MB | 21 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [Hector Sahagun](https://appshunter.io/developer/578020588) |

## What reviewers say

### HENGQI PLAY

[App page](https://appshunter.io/ios/app/hengqi-play/id6451192604)

This application enables real-time video streaming from a car via a Wi-Fi connection. It allows for remote control of the vehicle and the ability to capture photos and videos directly from your device.

**Highlights:** Real-time video transmission, Wi-Fi car connection, Remote car control, Photo capture, Video recording

**Features:** macOS Compatibility

**In-app purchases:** none


### Stringline

[App page](https://appshunter.io/ios/app/stringline-construction-calc/id6760807845)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stringline Pro | $2.99 | one-time |


## Frequently asked questions

### Is HENGQI PLAY free?

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

### Is Stringline free?

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

### Do HENGQI PLAY or Stringline have ads?

Neither HENGQI PLAY nor Stringline shows ads.

### Which is updated more often, HENGQI PLAY or Stringline?

HENGQI PLAY ships an update every 2 months, and Stringline every 2 weeks. Most recently, HENGQI PLAY was updated on October 22, 2026 and Stringline on October 17, 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.*