# GrowFlux vs PPFD METER

GrowFlux and PPFD METER both sit at 4.4 stars, but that hides the real split: 53% of PPFD METER's written reviews are positive against 0% of GrowFlux's. PPFD METER also leads on ratings volume (125 vs 5). GrowFlux's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. PPFD METER sells 3 in-app purchases, starting at $1.99 per month. GrowFlux asks for nothing beyond the download.

PPFD METER holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: PPFD METER has 125 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of GrowFlux's written reviews are positive against 53% of PPFD METER's.

GrowFlux ships an update every 5 weeks, PPFD METER every 3 weeks. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | GrowFlux | PPFD METER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/growflux/id1443967063/reviews) | **[4.6 (125 ratings)](https://appshunter.io/ios/app/ppfd-meter-grow-light-meter/id6479329051/reviews)** |
| Number of ratings | 5 | **125** |
| Positive reviews | 0.0% of reviews | **52.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 46 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GrowFlux Inc.](https://appshunter.io/developer/1443967062) | [Candas Pamukcu](https://appshunter.io/developer/1735587895) |

## What reviewers say

### GrowFlux

[App page](https://appshunter.io/ios/app/growflux/id1443967063)

Control and monitor your greenhouse with this app. Create custom light formulas with timed set points and manage up to 1,000 lights per zone. Monitor sensors for optimal growing conditions.

**Highlights:** Zoning capabilities, Light formula creation, Sensor monitoring, Access point management, Control multiple lights per zone

**Features:** macOS Compatibility

**In-app purchases:** none


### PPFD METER

[App page](https://appshunter.io/ios/app/ppfd-meter-grow-light-meter/id6479329051)

This app measures light intensity for plants, converting LUX to PPFD and DLI. It offers advanced light mapping, uniformity analysis, and efficiency insights to optimize plant growth. Customize profiles for different environments and growth stages.

**Highlights:** LUX, PPFD, DLI, and PAR measurements, Light mapping and distribution analysis, Uniformity and PPF evaluation, Energy efficiency and consumption tracking, Customizable setting profiles, Bluetooth sensor integration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium Plus | $2.99 | per month |
| Remove Ads | $29.99 | one-time |


## Frequently asked questions

### Is GrowFlux free?

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

### Is PPFD METER free?

PPFD METER is free to download, with in-app purchases available.

### Which has better reviews, GrowFlux or PPFD METER?

PPFD METER is rated higher. GrowFlux averages 4.4 out of 5 from 5 ratings, while PPFD METER averages 4.6 from 125 ratings.

### Do GrowFlux or PPFD METER have ads?

PPFD METER shows ads; GrowFlux does not.

### Which is updated more often, GrowFlux or PPFD METER?

GrowFlux ships an update every 5 weeks, and PPFD METER every 3 weeks. Most recently, GrowFlux was updated on October 2, 2026 and PPFD METER on October 18, 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.*