# Pebbles App vs Plop

Pebbles App and Plop are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Pebbles App | Plop |
| --- | --- | --- |
| Price | Free | Free |
| 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 5 months |
| Monetization | Free | — |
| Size | 160 MB | 221 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Universität Zürich](https://appshunter.io/developer/1055588978) | [Aron Martinez](https://appshunter.io/developer/1449247381) |

## 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


### Plop

[App page](https://appshunter.io/ios/app/plop/id1449247382)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pebbles App free?

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

### Is Plop free?

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

### Do Pebbles App or Plop have ads?

Neither Pebbles App nor Plop shows ads.

### Which is updated more often, Pebbles App or Plop?

Pebbles App ships an update every 5 months, and Plop every 5 months. Most recently, Pebbles App was updated on September 10, 2026 and Plop on September 12, 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.*