# CO vs Eppika

The clearest difference is in-app purchases: CO at none against Eppika's 9. Eppika's advantage is ads (none vs shown) and update cadence (every 5 days vs every 42 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Eppika sells 5 in-app purchases, starting at $19.99 per month. CO asks for nothing beyond the download.

CO ships an update every 42 months, Eppika every 5 days. The most recent releases landed on September 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CO | Eppika |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/eppika-read-and-learn-languages/id6744357399/reviews)** |
| Number of ratings | — | **1.5K** |
| Positive reviews | — | 67.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 42 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#172** |
| Size | 41 MB | 48 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [St. Luke's United Methodist Church](https://appshunter.io/developer/1502080920) | [Tessirion, s.r.o.](https://appshunter.io/developer/1807068977) |

## What reviewers say

### CO

[App page](https://appshunter.io/ios/app/co-op-network/id1502080921)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eppika

[App page](https://appshunter.io/ios/app/eppika-read-and-learn-languages/id6744357399)

**Currently charting:** #172 Top Grossing · Education (US App Store)

Learn languages by reading adapted stories and bilingual audiobooks. This app offers a vast library of classics and bestsellers rewritten to match your vocabulary and grammar level, making language acquisition natural and enjoyable. Track your progress and build vocabulary effortlessly through context.

**Highlights:** Bilingual audiobooks and stories, Adapted reading levels (A1-B2+), Learn through context, Grammar without studying, Reading progress tracker, Vast library of classics and bestsellers

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per month |
| Premium | $39.99 | per 3 months |
| Premium - Annual | $49.99 | per year |
| Premium - Annual | $49.99 | per year |
| Premium | $89.99 | per year |


## Frequently asked questions

### Is CO free?

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

### Is Eppika free?

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

### Do CO or Eppika have ads?

CO shows ads; Eppika does not.

### Which is updated more often, CO or Eppika?

CO ships an update every 42 months, and Eppika every 5 days. Most recently, CO was updated on September 14, 2026 and Eppika on September 30, 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.*