# i2Reader Cloud vs C Program

The clearest difference is ads: i2Reader Cloud at none against C Program's shown. i2Reader Cloud also leads on update cadence (every 3 months vs every 47 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. i2Reader Cloud sells 5 one-off in-app purchases and C Program sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

i2Reader Cloud ships an update every 3 months, C Program every 47 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | i2Reader Cloud | C Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (74 ratings)](https://appshunter.io/ios/app/i2reader-cloud/id968326317/reviews)** | — |
| Number of ratings | **74** | — |
| Positive reviews | 48.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 47 months |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 16 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yuriy Melyushin](https://appshunter.io/developer/943454788) | [RAVINDHIRAN SUMITHRA](https://appshunter.io/developer/1571016391) |

## What reviewers say

### i2Reader Cloud

[App page](https://appshunter.io/ios/app/i2reader-cloud/id968326317)

This app offers a comfortable reading experience with cloud synchronization across devices. Enjoy customizable layouts, interactive features like footnotes and dictionaries, and the ability to download books from various cloud services. It supports multiple formats and allows family sharing of libraries.

**Highlights:** iCloud synchronization for library and reading progress, Customizable book layout (fonts, colors, spacing), Download books from Dropbox, Google Drive, Yandex Disk, Interactive footnotes and dictionary support, Family sharing and user reading statistics, Supports FB2, EPUB, MOBI, DOC, PDF formats, Auto-scrolling and auto-page turning

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto-scroll | $0.99 | one-time |
| Seamless textures | $0.99 | one-time |
| Auto turning | $0.99 | one-time |
| Online translator | $1.99 | one-time |
| Removal of limitations | $3.99 | one-time |

**What reviewers like**

- ✨ Extensive customization options
- 📚 Wide variety of ebook format support
- 🎨 Theme designer and customization
- ☁️ Cloud synchronization
- 📖 Great ebook reader

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐌 Slow performance and lagging
- 🔋 High battery consumption
- 💸 Monetization is off-putting
- 🗑️ Some features feel like bloat

**Reported bugs**

- App freezes during initialization
- Continuously tries to download from iCloud
- Crashes after updating to iOS 26
- App freezes during caching process
- Crashes and/or hangs on importing themes

**Requested features**

- Add new chapter functionality
- Option to move audio reading bar
- Higher quality text-to-speech with better pronunciation and softer voice
- Add support for djvu format
- Improve text-to-speech quality and add more voice engines


### C Program

[App page](https://appshunter.io/ios/app/c-program/id1141958387)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C Programs Ads Free Version | $4.99 | one-time |


## Frequently asked questions

### Is i2Reader Cloud free?

i2Reader Cloud is free to download, with in-app purchases available.

### Is C Program free?

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

### Do i2Reader Cloud or C Program have ads?

C Program shows ads; i2Reader Cloud does not.

### Which is updated more often, i2Reader Cloud or C Program?

i2Reader Cloud ships an update every 3 months, and C Program every 47 months. Most recently, i2Reader Cloud was updated on October 12, 2026 and C Program on October 7, 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.*