# ZERO vs HS FLY

The clearest difference is rating: HS FLY at 3.5 against ZERO's 2.4. HS FLY also leads on review sentiment (39% vs 29%) and ratings volume (58 vs 12). On price, update cadence, ads and in-app purchases there is nothing between them.

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

HS FLY holds the better App Store score, 3.5 against 2.4. Both are backed by a comparable volume of ratings — 12 and 58 respectively. Written reviews point the same way: 29% of ZERO's written reviews are positive against 39% of HS FLY's.

ZERO ships an update every 6 weeks, HS FLY every 2 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | ZERO | HS FLY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (12 ratings)](https://appshunter.io/ios/app/zero-x-ascend/id1476479672/reviews) | **[3.5 (58 ratings)](https://appshunter.io/ios/app/hs-fly/id1512942657/reviews)** |
| Number of ratings | 12 | **58** |
| Positive reviews | 28.6% of reviews | **38.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 157 MB | 168 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Directed Electronics Australia](https://appshunter.io/developer/1083778713) | [HOLY STONE TECHNOLOGY Co.,Ltd.](https://appshunter.io/developer/1471499018) |

## What reviewers say

### ZERO

[App page](https://appshunter.io/ios/app/zero-x-ascend/id1476479672)

Control your ZXP ASCEND drone directly from your smartphone or tablet. This application allows for full command of the drone's flight functions.

**Highlights:** Drone control via smartphone, Tablet compatibility, Full flight function command

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

**In-app purchases:** none


### HS FLY

[App page](https://appshunter.io/ios/app/hs-fly/id1512942657)

Control a drone via Wi-Fi with FPV support for clear photo and video display. Features include GPS positioning and smart phone following flight capabilities, making it an engaging hobby product.

**Highlights:** Wi-Fi control, FPV support, Clear photo display, Video FPV, GPS positioning flight, Smartphone following flight

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZERO free?

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

### Is HS FLY free?

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

### Which has better reviews, ZERO or HS FLY?

HS FLY is rated higher. ZERO averages 2.4 out of 5 from 12 ratings, while HS FLY averages 3.5 from 58 ratings.

### Do ZERO or HS FLY have ads?

Neither ZERO nor HS FLY shows ads.

### Which is updated more often, ZERO or HS FLY?

ZERO ships an update every 6 weeks, and HS FLY every 2 months. Most recently, ZERO was updated on October 14, 2026 and HS FLY on October 14, 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.*