# Primrows+ vs SmoothBrain

The clearest difference is in-app purchases: SmoothBrain at none against Primrows+'s 1. SmoothBrain also leads on update cadence (every 2 days vs every 2 months). Primrows+'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Primrows+ sells 1 one-off in-app purchase. SmoothBrain asks for nothing beyond the download.

Primrows+ ships an update every 2 months, SmoothBrain every 2 days. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Primrows+ | SmoothBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (18 ratings)](https://appshunter.io/ios/app/primrows-plus/id6477324016/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 394 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tursiops Truncatus Studios](https://appshunter.io/developer/372916085) | [GROWMIND LABS TOMASZ SZYMANSKI](https://appshunter.io/developer/1767654661) |

## What reviewers say

### Primrows+

[App page](https://appshunter.io/ios/app/primrows-plus/id6477324016)

A logic puzzle game where you grow and prune flowers in a whimsical garden. It combines sudoku-like rules with elements of chance and pattern recognition. Enjoy weekly challenges, seasonal artwork, and an ambient soundscape.

**Highlights:** Sudoku-inspired logic puzzles, Whimsical garden theme, Weekly challenges with special mechanics, Ambient nature soundscape, Seasonal artwork, Quick Play and Journal Play modes, Color blindness and low vision accessibility

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


### SmoothBrain

[App page](https://appshunter.io/ios/app/smoothbrain-brain-age-today/id6792488986)

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

**In-app purchases:** none


## Frequently asked questions

### Is Primrows+ free?

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

### Is SmoothBrain free?

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

### Do Primrows+ or SmoothBrain have ads?

Neither Primrows+ nor SmoothBrain shows ads.

### Which is updated more often, Primrows+ or SmoothBrain?

Primrows+ ships an update every 2 months, and SmoothBrain every 2 days. Most recently, Primrows+ was updated on October 3, 2026 and SmoothBrain on September 24, 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.*