# My First Library vs Deeper | Ocean Explorer

The clearest difference is update cadence: My First Library at every 3 weeks against Deeper | Ocean Explorer's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. My First Library sells 2 in-app purchases, starting at $9.99 per month and Deeper | Ocean Explorer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

My First Library ships an update every 3 weeks, Deeper | Ocean Explorer every 6 weeks. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | My First Library | Deeper | Ocean Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deeper-ocean-explorer/id6803918968/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 51 MB | 54 MB |
| Requires iOS | 17 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [emre sahin](https://appshunter.io/developer/1859240921) | [Ata Guneser](https://appshunter.io/developer/1806352102) |

## What reviewers say

### My First Library

[App page](https://appshunter.io/ios/app/my-first-library-first-words/id6757811573)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $49.99 | per year |


### Deeper | Ocean Explorer

[App page](https://appshunter.io/ios/app/deeper-ocean-explorer/id6803918968)

Embark on an interactive journey to explore the ocean's hidden depths, from the sunlit surface to the darkest trenches. Discover unique marine life, understand extreme environments, and learn about fascinating deep-sea phenomena. Test your knowledge with engaging quizzes.

**Highlights:** Explore ocean depth zones, Discover marine life species, Understand deep-sea phenomena, Learn about ocean processes, Interactive quizzes, Visual and engaging learning

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deeper Premium | $0.99 | one-time |


## Frequently asked questions

### Is My First Library free?

My First Library is free to download, with in-app purchases available.

### Is Deeper | Ocean Explorer free?

Deeper | Ocean Explorer is free to download, with in-app purchases available.

### Do My First Library or Deeper | Ocean Explorer have ads?

Neither My First Library nor Deeper | Ocean Explorer shows ads.

### Which is updated more often, My First Library or Deeper | Ocean Explorer?

My First Library ships an update every 3 weeks, and Deeper | Ocean Explorer every 6 weeks. Most recently, My First Library was updated on October 3, 2026 and Deeper | Ocean Explorer on October 21, 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.*