# TM+ Pro vs PPFD METER

The clearest difference is rating: PPFD METER at 4.6 against TM+ Pro's 3.1. PPFD METER also leads on review sentiment (53% vs 32%) and update cadence (every 3 weeks vs every 2 months). TM+ Pro's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume 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. TM+ Pro asks for nothing beyond the download.

PPFD METER holds the better App Store score, 4.6 against 3.1. Both are backed by a comparable volume of ratings — 97 and 118 respectively. Written reviews point the same way: 32% of TM+ Pro's written reviews are positive against 53% of PPFD METER's.

TM+ Pro ships an update every 2 months, PPFD METER every 3 weeks. Both last shipped on September 22, 2026.

## The numbers

| Metric | TM+ Pro | PPFD METER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (97 ratings)](https://appshunter.io/ios/app/tm-plus-pro/id1619222131/reviews) | **[4.6 (118 ratings)](https://appshunter.io/ios/app/ppfd-meter-grow-light-meter/id6479329051/reviews)** |
| Number of ratings | 97 | **118** |
| Positive reviews | 32.4% of reviews | **52.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 122 MB | 43 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TrolMaster Agro Instruments Co., Limited](https://appshunter.io/developer/1619222133) | [Candas Pamukcu](https://appshunter.io/developer/1735587895) |

## What reviewers say

### TM+ Pro

[App page](https://appshunter.io/ios/app/tm-plus-pro/id1619222131)

Remotely monitor and control horticulture automation systems for your growth facilities. Features a new UI, historical charts, customizable device displays, and a logbook for tracking plant data. Connect with a community of growers and access support resources.

**Highlights:** Remote access to control systems, Historical data charting, Customizable device naming and photos, Plant growth logbook, Grower community and forum, Controller sharing with authorization

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

**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 TM+ Pro free?

TM+ Pro 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, TM+ Pro or PPFD METER?

PPFD METER is rated higher. TM+ Pro averages 3.1 out of 5 from 97 ratings, while PPFD METER averages 4.6 from 118 ratings.

### Do TM+ Pro or PPFD METER have ads?

PPFD METER shows ads; TM+ Pro does not.

### Which is updated more often, TM+ Pro or PPFD METER?

TM+ Pro ships an update every 2 months, and PPFD METER every 3 weeks. Most recently, TM+ Pro was updated on September 22, 2026 and PPFD METER on September 22, 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.*