# Dronar01 vs TrimCal 4000

The clearest difference is update cadence: TrimCal 4000 at every 10 days against Dronar01's every 5 weeks. Dronar01's advantage is iOS requirement (10.0 vs 13.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Dronar01 ships an update every 5 weeks, TrimCal 4000 every 10 days. The most recent releases landed on September 22, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Dronar01 | TrimCal 4000 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 45 MB | 38 MB |
| Requires iOS | **10.0** | 13.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen SwellPro Technology Co.,LTD](https://appshunter.io/developer/1113943094) | [Nci Technology Inc.](https://appshunter.io/developer/868272704) |

## What reviewers say

### Dronar01

[App page](https://appshunter.io/ios/app/dronar01/id1604754974)

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

**In-app purchases:** none


### TrimCal 4000

[App page](https://appshunter.io/ios/app/trimcal-4000/id6755869998)

**In-app purchases:** none


## Frequently asked questions

### Is Dronar01 free?

Dronar01 is free to download, with no in-app purchases.

### Is TrimCal 4000 free?

TrimCal 4000 is free to download, with no in-app purchases.

### Do Dronar01 or TrimCal 4000 have ads?

Neither Dronar01 nor TrimCal 4000 shows ads.

### Which is updated more often, Dronar01 or TrimCal 4000?

Dronar01 ships an update every 5 weeks, and TrimCal 4000 every 10 days. Most recently, Dronar01 was updated on September 22, 2026 and TrimCal 4000 on May 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*