# GrowDiary vs SealProof

The clearest difference is in-app purchases: GrowDiary at none against SealProof's 1. GrowDiary also leads on iOS requirement (16.4 vs 18.0). SealProof's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. SealProof sells 1 one-off in-app purchase. GrowDiary asks for nothing beyond the download.

GrowDiary ships an update every 9 days, SealProof every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | GrowDiary | SealProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/growdiary/id6739211123/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 52 MB | 9 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [GrowD soft s.r.o.](https://appshunter.io/developer/1784239247) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### GrowDiary

[App page](https://appshunter.io/ios/app/growdiary/id6739211123)

Easily document plant cultivation cycles, track progress, and share experiences with a large community. Access a vast library of grow diaries for insights and learn new techniques. Connect with seed breeders and nutrient companies.

**Highlights:** Document grow cycles, Track plant progress, Share experiences, Access grow diary library, Engage in forums, Connect with industry reps

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

**In-app purchases:** none


### SealProof

[App page](https://appshunter.io/ios/app/sealproof-pressure-test/id6792427322)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $49.99 | one-time |


## Frequently asked questions

### Is GrowDiary free?

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

### Is SealProof free?

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

### Do GrowDiary or SealProof have ads?

GrowDiary shows ads; SealProof does not.

### Which is updated more often, GrowDiary or SealProof?

GrowDiary ships an update every 9 days, and SealProof every 2 weeks. Most recently, GrowDiary was updated on November 4, 2026 and SealProof on November 5, 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.*