# SIMREX FLY vs Fly Go 4

The clearest difference is rating: Fly Go 4 at 4.1 against SIMREX FLY's 1.8. Fly Go 4 also leads on review sentiment (36% vs 6%). SIMREX FLY's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Fly Go 4 sells 8 in-app purchases, starting at $7.99 per 7 days. SIMREX FLY asks for nothing beyond the download.

Fly Go 4 holds the better App Store score, 4.1 against 1.8. Both are backed by a comparable volume of ratings — 37 and 100 respectively. Written reviews point the same way: 6% of SIMREX FLY's written reviews are positive against 36% of Fly Go 4's.

SIMREX FLY ships an update fortnightly, Fly Go 4 every 4 weeks. The most recent releases landed on July 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SIMREX FLY | Fly Go 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (37 ratings)](https://appshunter.io/ios/app/simrex-fly/id1532882122/reviews) | **[4.1 (100 ratings)](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052/reviews)** |
| Number of ratings | 37 | **100** |
| Positive reviews | 5.6% of reviews | **35.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 62 MB | 192 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jiandanzhijie Technology Co., Ltd.](https://appshunter.io/developer/1543327488) | [COOLDEV CO., LTD](https://appshunter.io/developer/1629570682) |

## What reviewers say

### SIMREX FLY

[App page](https://appshunter.io/ios/app/simrex-fly/id1532882122)

Control your smart drone with this app. It enables real-time image and flight data transmission between your mobile device and the drone. Features include GPS status, coordinate display, battery monitoring, and various flight modes like waypoint planning and follow.

**Highlights:** Real-time image and flight data transmission, GPS status and coordinate display, Battery power monitoring with auto-return, Manual joystick operation, Waypoint planning, follow, and orbit flight modes, Camera parameter settings for shooting and recording, One-key take-off, landing, and return to home

**Features:** macOS Compatibility

**In-app purchases:** none


### Fly Go 4

[App page](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052)

Control your drone with advanced flight features and real-time HD video transmission. Explore intelligent flight modes for professional-quality footage and track flight data. Compatible with a wide range of drone models.

**Highlights:** Advanced flight controls, Real-time HD video transmission, Smart flight modes (ActiveTrack, QuickShot), Intuitive user interface, Comprehensive flight data logging, Wide drone model compatibility

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Standard | $7.99 | per 7 days |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly One-time Discount | $45.49 | per year |
| Lifetime One-time Discount | $49.99 | one-time |
| Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is SIMREX FLY free?

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

### Is Fly Go 4 free?

Fly Go 4 is free to download, with in-app purchases available.

### Which has better reviews, SIMREX FLY or Fly Go 4?

Fly Go 4 is rated higher. SIMREX FLY averages 1.8 out of 5 from 37 ratings, while Fly Go 4 averages 4.1 from 100 ratings.

### Do SIMREX FLY or Fly Go 4 have ads?

Fly Go 4 shows ads; SIMREX FLY does not.

### Which is updated more often, SIMREX FLY or Fly Go 4?

SIMREX FLY ships an update fortnightly, and Fly Go 4 every 4 weeks. Most recently, SIMREX FLY was updated on July 7, 2026 and Fly Go 4 on September 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.*