# Implen NanoPhotometer vs Irrigation Moisture Control V2

The clearest difference is update cadence: Implen NanoPhotometer at every 3 months against Irrigation Moisture Control V2's every 6 months. Implen NanoPhotometer also leads on iOS requirement (10.0 vs 12.0). 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.

Implen NanoPhotometer ships an update every 3 months, Irrigation Moisture Control V2 every 6 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Implen NanoPhotometer | Irrigation Moisture Control V2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 54 MB | 12 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Implen Inc.](https://appshunter.io/developer/988716674) | [HBWT](https://appshunter.io/developer/1437812639) |

## What reviewers say

### Implen NanoPhotometer

[App page](https://appshunter.io/ios/app/implen-nanophotometer/id988716675)

**Features:** macOS Compatibility

**In-app purchases:** none


### Irrigation Moisture Control V2

[App page](https://appshunter.io/ios/app/irrigation-moisture-control-v2/id1507365461)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Implen NanoPhotometer free?

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

### Is Irrigation Moisture Control V2 free?

Irrigation Moisture Control V2 is free to download, with no in-app purchases.

### Do Implen NanoPhotometer or Irrigation Moisture Control V2 have ads?

Neither Implen NanoPhotometer nor Irrigation Moisture Control V2 shows ads.

### Which is updated more often, Implen NanoPhotometer or Irrigation Moisture Control V2?

Implen NanoPhotometer ships an update every 3 months, and Irrigation Moisture Control V2 every 6 months. Most recently, Implen NanoPhotometer was updated on October 9, 2026 and Irrigation Moisture Control V2 on October 11, 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.*