# VPD Chart vs Grow.Point

The clearest difference is update cadence: Grow.Point at every 9 days against VPD Chart's every 3 weeks. VPD Chart's advantage is iOS requirement (15.1 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. VPD Chart sells 2 in-app purchases, starting at $3.99 per month and Grow.Point sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VPD Chart ships an update every 3 weeks, Grow.Point every 9 days. The most recent releases landed on November 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | VPD Chart | Grow.Point |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (31 ratings)](https://appshunter.io/ios/app/vpd-chart/id6470015847/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 73.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 4 MB |
| Requires iOS | **15.1** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [INNOVO DEV S.R.L.](https://appshunter.io/developer/1814828527) | [Georgii Liurko](https://appshunter.io/developer/1789297545) |

## What reviewers say

### VPD Chart

[App page](https://appshunter.io/ios/app/vpd-chart/id6470015847)

This app calculates Vapor Pressure Deficit (VPD) using air temperature, relative humidity, and canopy temperature. It offers real-time charting, sensor integration, and educational tools to understand plant growth environments. Organize data by zones and visualize dew point areas.

**Highlights:** VPD calculation, Interactive VPD chart, Sensor integration, Zone organization, Dew point visualization, Grow Timeline

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VPD Chart Plus (monthly) | $3.99 | per month |
| VPD Chart Plus (annual) | $29.99 | per year |


### Grow.Point

[App page](https://appshunter.io/ios/app/growpoint-grow-journal/id6744943806)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Plants & Envs | $19.99 | one-time |


## Frequently asked questions

### Is VPD Chart free?

VPD Chart is free to download, with in-app purchases available.

### Is Grow.Point free?

Grow.Point is free to download, with in-app purchases available.

### Do VPD Chart or Grow.Point have ads?

Neither VPD Chart nor Grow.Point shows ads.

### Which is updated more often, VPD Chart or Grow.Point?

VPD Chart ships an update every 3 weeks, and Grow.Point every 9 days. Most recently, VPD Chart was updated on November 3, 2026 and Grow.Point 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.*