# Plant Activity Tracking App vs Kessel NFC

The clearest difference is update cadence: Plant Activity Tracking App at every 3 months against Kessel NFC's every 7 months. Kessel NFC's advantage is iOS requirement (13.4 vs 15.0). 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.

Plant Activity Tracking App ships an update every 3 months, Kessel NFC every 7 months. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Plant Activity Tracking App | Kessel NFC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 42 MB | 26 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siemens Energy](https://appshunter.io/developer/1539380213) | [KESSEL AG](https://appshunter.io/developer/1485551150) |

## What reviewers say

### Plant Activity Tracking App

[App page](https://appshunter.io/ios/app/plant-activity-tracking-app/id1585340320)

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

**In-app purchases:** none


### Kessel NFC

[App page](https://appshunter.io/ios/app/kessel-nfc/id6449256249)

**In-app purchases:** none


## Frequently asked questions

### Is Plant Activity Tracking App free?

Plant Activity Tracking App is free to download, with no in-app purchases.

### Is Kessel NFC free?

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

### Do Plant Activity Tracking App or Kessel NFC have ads?

Neither Plant Activity Tracking App nor Kessel NFC shows ads.

### Which is updated more often, Plant Activity Tracking App or Kessel NFC?

Plant Activity Tracking App ships an update every 3 months, and Kessel NFC every 7 months. Most recently, Plant Activity Tracking App was updated on November 5, 2026 and Kessel NFC on October 25, 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.*