Comparison

HK FLY GPS vs Spectro

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

Head to head
About

HK FLY GPS

This application serves as a companion for GPS-enabled drones, offering a stable and convenient smart flight experience. It allows users to control their drone, perform calibrations, and utilize features like multi-window views, photo and video transmission, and GPS-guided flight modes.

Highlights
  • GPS navigation for drones
  • Drone control interface
  • Gyroscope and compass calibration
  • Multi-window display
  • Photo and video transmission
  • GPS flight modes
  • Orbit flight
Features
Read full description

HK FLY GPS是具备GPS导航的无人飞行器配套APP;致力于为用户带来便捷的、稳定的智能飞行器使用体验。通过该APP可以控制无人飞行器。您可以进行飞行器陀螺仪校准、罗盘校准;多视窗功能;图传拍照;录像图传等操作;GPS飞行,环绕飞行等。

About

Spectro

This app helps you reduce video file sizes while maintaining high quality. It offers smart optimization, hardware acceleration, and advanced encoding for efficient compression. Easily manage, compare, and organize your videos with advanced playback and privacy features.

Highlights
  • Smart Bitrate Optimization
  • Hardware Acceleration
  • Advanced Encoding Algorithms
  • Intuitive Video Management
  • Advanced Playback Features
  • Task Queue for Batch Compression
  • Privacy Protection with Face ID/Touch ID
Features
Read full description

Spectro is the ultimate video compression tool designed to help you maximize storage space without sacrificing quality. Key features include: • Smart Bitrate Optimization – Analyzes video content to determine the optimal bitrate, significantly reducing file sizes. • Hardware Acceleration – Utilizes Apple’s media engine for fast compression, support Average Bitrate mode and Constant Quality mode. • Advanced Encoding Algorithms – Preserves critical details while efficiently compressing less essential areas. • Intuitive Video Management – Easily browse, organize, and sort videos with comprehensive file details. • Advanced Playback Features – Supports Picture-in-Picture, autoplay, zoom control, lock screen playback, Apple Watch support, Kiosk read-only mode, and keyboard shortcuts. • Metadata and Resource Viewer – Inspect all metadata and sub-resources of a video, play each resource individually, including hidden originals. • Task Queue – Batch compress multiple videos, perfect for overnight processing. • Multi-Device Support – Monitor compression progress across all Apple devices, view progress from your iPhone, and remotely manage tasks. • Quality Comparison – Compare compressed videos with originals to check visual and audio quality, and easily manage or delete original files. • Privacy First – Built-in privacy protection with Face ID/Touch ID support for photo library access. Whether you're a professional video creator or an everyday user, Spectro provides an efficient, reliable solution for video compression and management. Download now and start saving storage space! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HK FLY GPS2 screens
Spectro4 screens

Verdict

The call

The clearest difference is rating: Spectro at 5.0 against HK FLY GPS's 3.0. HK FLY GPS's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 16.0). On price, ratings volume, update cadence and ads 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. Spectro sells 3 in-app purchases, starting at $1.99 per month. HK FLY GPS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Spectro holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

HK FLY GPS ships an update every 3 weeks, Spectro monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
HK FLY GPS versus Spectro: the parameters behind the verdict, then further details
ParameterHK FLY GPSSpectro
PriceFreeFree
Rating3.0 (2 ratings)5.0 (4 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings24 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size281 MB28 MB
Age rating4+4+
Developer元明 苏Mengke WANG

Customer experience

HK FLY GPS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Spectro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

HK FLY GPS

No in-app purchases

3 purchases

Spectro

Subscriptions2
  • Monthly Plan3 Days trial$1.991 Month
  • Yearly Plan7 Days trial$9.991 Year
One-time1
  • Lifetime Access$19.99

Questions

Is HK FLY GPS free?
HK FLY GPS is free to download, with no in-app purchases.
Is Spectro free?
Spectro is free to download, with in-app purchases available.
Which has better reviews, HK FLY GPS or Spectro?
Spectro is rated higher. HK FLY GPS averages 3.0 out of 5 from 2 ratings, while Spectro averages 5.0 from 4 ratings.
Do HK FLY GPS or Spectro have ads?
Neither HK FLY GPS nor Spectro shows ads.
Which is updated more often, HK FLY GPS or Spectro?
HK FLY GPS ships an update every 3 weeks, and Spectro monthly. Most recently, HK FLY GPS was updated on November 3, 2026 and Spectro on October 30, 2026.

Other comparisons