Comparison

SJ vs HS GPS PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SJ

Control a toy quadrocopter using Wi-Fi and receive real-time video feedback. This application is compatible with a range of iOS devices and versions.

Highlights
  • Wi-Fi quadrocopter control
  • Real-time video transfer
  • Compatible with multiple iOS versions
  • Supports various iPhone models
Features
Read full description

A toy quadrocopter control by wifi with video transfer real time. Support iOS 7 ,iOS 8, iOS 9,iOS 10,iPhone 5 ,iPhone 5c,iPhone 5s, iPhone 6, iPhone 6 plus, iPhone 6s, iPhone 6s plus,iPhone 7, iPhone 7 plus.

About

HS GPS PRO

Control a toy quadrocopter using Wi-Fi and receive real-time video feedback. This application is compatible with a wide range of iOS devices.

Highlights
  • Wi-Fi quadrocopter control
  • Real-time video transfer
  • Compatible with iOS 7-10
  • Supports iPhone 5 and newer models
Read full description

A toy quadrocopter control by wifi with video transfer real time. Support iOS 7 ,iOS 8, iOS 9,iOS 10,iPhone 5 ,iPhone 5c,iPhone 5s, iPhone 6, iPhone 6 plus, iPhone 6s, iPhone 6s plus,iPhone 7, iPhone 7 plus.

Screenshots

SJ3 screens
HS GPS PRO2 screens

Verdict

The call

The clearest difference is rating: SJ at 3.7 against HS GPS PRO's 3.2. SJ also leads on update cadence (every 3 weeks vs every 6 weeks). HS GPS PRO's advantage is ratings volume (101 vs 23). On price, review sentiment, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SJ holds the better App Store score, 3.7 against 3.2. Both are backed by a comparable volume of ratings — 23 and 101 respectively. Written reviews split almost evenly too, at 33% and 33% positive.

UpkeepUpdate frequency

SJ ships an update every 3 weeks, HS GPS PRO every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
SJ versus HS GPS PRO: the parameters behind the verdict, then further details
ParameterSJHS GPS PRO
PriceFreeFree
Rating3.7 (23 ratings) — better3.2 (101 ratings)
Positive reviews33.3% of reviews33.3% of reviews
Number of ratings23101 — better
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better12
Further details — not scored
Size242 MB181 MB
Age rating4+4+
DeveloperGuangdong Shiji Technology Co.,Ltd.HOLY STONE TECHNOLOGY Co.,Ltd.

Customer experience

SJ

All ratings23 ratings
Positive60.9%
Neutral17.4%
Negative21.7%
Written reviews9 reviews
Positive33.3%
Neutral11.1%
Negative55.6%

HS GPS PRO

All ratings99 ratings
Positive48.5%
Neutral21.2%
Negative30.3%
Written reviews30 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

In-app purchases

None

SJ

No in-app purchases

None

HS GPS PRO

No in-app purchases

Questions

Is SJ free?
SJ is free to download, with no in-app purchases.
Is HS GPS PRO free?
HS GPS PRO is free to download, with no in-app purchases.
Which has better reviews, SJ or HS GPS PRO?
SJ is rated higher. SJ averages 3.7 out of 5 from 23 ratings, while HS GPS PRO averages 3.2 from 101 ratings.
Do SJ or HS GPS PRO have ads?
Neither SJ nor HS GPS PRO shows ads.
Which is updated more often, SJ or HS GPS PRO?
SJ ships an update every 3 weeks, and HS GPS PRO every 6 weeks. Most recently, SJ was updated on November 2, 2026 and HS GPS PRO on November 3, 2026.

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