# ZERO vs 4DRC Air

The clearest difference is rating: 4DRC Air at 2.9 against ZERO's 2.4. 4DRC Air also leads on review sentiment (40% vs 29%) and iOS requirement (9.0 vs 12.0). ZERO's advantage is update cadence (every 6 weeks vs every 6 months). On price, ratings volume, 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.

4DRC Air holds the better App Store score, 2.9 against 2.4. Both are backed by a comparable volume of ratings — 12 and 31 respectively. Written reviews point the same way: 29% of ZERO's written reviews are positive against 40% of 4DRC Air's.

ZERO ships an update every 6 weeks, 4DRC Air every 6 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ZERO | 4DRC Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (12 ratings)](https://appshunter.io/ios/app/zero-x-ascend/id1476479672/reviews) | **[2.9 (31 ratings)](https://appshunter.io/ios/app/4drc-air/id6448624054/reviews)** |
| Number of ratings | 12 | **31** |
| Positive reviews | 28.6% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 157 MB | 98 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Directed Electronics Australia](https://appshunter.io/developer/1083778713) | [文 张](https://appshunter.io/developer/1512068135) |

## 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


### 4DRC Air

[App page](https://appshunter.io/ios/app/4drc-air/id6448624054)

Control your 4DRC drone with real-time video streaming, gesture capture, and gravity induction. Offers trajectory control and a 3D scattering screen for an immersive experience.

**Highlights:** Real-time video streaming, 3D Scattering Screen, Remote sensing control, Trajectory control, Gravity Induction Manipulation, Gesture capture/video

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

**In-app purchases:** none


## Frequently asked questions

### Is ZERO free?

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

### Is 4DRC Air free?

4DRC Air is free to download, with no in-app purchases.

### Which has better reviews, ZERO or 4DRC Air?

4DRC Air is rated higher. ZERO averages 2.4 out of 5 from 12 ratings, while 4DRC Air averages 2.9 from 31 ratings.

### Do ZERO or 4DRC Air have ads?

Neither ZERO nor 4DRC Air shows ads.

### Which is updated more often, ZERO or 4DRC Air?

ZERO ships an update every 6 weeks, and 4DRC Air every 6 months. Most recently, ZERO was updated on October 14, 2026 and 4DRC Air on October 7, 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.*