# Pebbles App vs WSET Level 4 Flashcards

The clearest difference is price: Pebbles App at Free against WSET Level 4 Flashcards's $14.99. Pebbles App also leads on update cadence (every 5 months vs every 18 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Pebbles App is free to download; WSET Level 4 Flashcards costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pebbles App ships an update every 5 months, WSET Level 4 Flashcards every 18 months. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Pebbles App | WSET Level 4 Flashcards |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pebbles-app/id1338684559/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 18 months |
| Monetization | Free | — |
| Size | 160 MB | 46 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Universität Zürich](https://appshunter.io/developer/1055588978) | [Gabriela Scurtu](https://appshunter.io/developer/1554759809) |

## What reviewers say

### Pebbles App

[App page](https://appshunter.io/ios/app/pebbles-app/id1338684559)

This app helps parents track and celebrate their child's development from birth to age 6. It provides scientific insights, tips, and a digital diary to document milestones with photos and text.

**Highlights:** Age-adapted development steps, Explanatory illustrations, Tips for promoting development, Progress monitoring and documentation, Personal diary with photos, Shareable milestones, Downloadable PDF diary

**Features:** macOS Compatibility

**In-app purchases:** none


### WSET Level 4 Flashcards

[App page](https://appshunter.io/ios/app/wset-level-4-flashcards/id1557055363)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pebbles App free?

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

### Is WSET Level 4 Flashcards free?

WSET Level 4 Flashcards costs $14.99, with no in-app purchases.

### Do Pebbles App or WSET Level 4 Flashcards have ads?

Neither Pebbles App nor WSET Level 4 Flashcards shows ads.

### Which is updated more often, Pebbles App or WSET Level 4 Flashcards?

Pebbles App ships an update every 5 months, and WSET Level 4 Flashcards every 18 months. Most recently, Pebbles App was updated on September 29, 2026 and WSET Level 4 Flashcards on October 10, 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.*