# DropControl vs ZENTRA Field

The clearest difference is review sentiment: ZENTRA Field at 100% against DropControl's 0%. ZENTRA Field also leads on rating (5.0 vs 4.4) and iOS requirement (11.0 vs 15.1). DropControl's advantage is update cadence (every 3 weeks vs every 7 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.

ZENTRA Field holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 0% of DropControl's written reviews are positive against 100% of ZENTRA Field's.

DropControl ships an update every 3 weeks, ZENTRA Field every 7 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DropControl | ZENTRA Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/dropcontrol/id1409694208/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zentra-field/id1457752006/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 152 MB | 29 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wiseconn Engineering INC](https://appshunter.io/developer/1060105575) | [METER Group, Inc.](https://appshunter.io/developer/1792460527) |

## What reviewers say

### DropControl

[App page](https://appshunter.io/ios/app/dropcontrol/id1409694208)

Monitor and control farm irrigation and fertigation systems remotely. Track weather and soil moisture in real-time for efficient resource management and improved crop yields. Access your farm's data anytime, anywhere.

**Highlights:** Real-time weather and soil moisture monitoring, Remote irrigation and fertigation control, Map display of farm operations, Simultaneous monitoring of field nodes, Data analysis for profitable decisions, Cloud and Bluetooth connectivity

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

**In-app purchases:** none


### ZENTRA Field

[App page](https://appshunter.io/ios/app/zentra-field/id1457752006)

Access and analyze your field data remotely with custom charts and real-time notifications. This app helps you monitor site conditions, track important trends, and reduce manual data processing.

**Highlights:** Customizable field data charts, Real-time data visualization, Out-of-range data notifications, Device battery status checks, Near real-time site condition monitoring, Works with ZENTRA Cloud

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DropControl free?

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

### Is ZENTRA Field free?

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

### Which has better reviews, DropControl or ZENTRA Field?

ZENTRA Field is rated higher. DropControl averages 4.4 out of 5 from 5 ratings, while ZENTRA Field averages 5.0 from 2 ratings.

### Do DropControl or ZENTRA Field have ads?

Neither DropControl nor ZENTRA Field shows ads.

### Which is updated more often, DropControl or ZENTRA Field?

DropControl ships an update every 3 weeks, and ZENTRA Field every 7 months. Most recently, DropControl was updated on October 14, 2026 and ZENTRA Field on October 10, 2026.

---

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