# Instasage vs Karatu

The clearest difference is in-app purchases: Karatu at none against Instasage's 8. Karatu also leads on update cadence (daily vs every 8 days). Instasage's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Instasage sells 8 in-app purchases, starting at $4.99 per month. Karatu asks for nothing beyond the download.

Instasage ships an update every 8 days, Karatu daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Instasage | Karatu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instasage/id6450365493/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [Samson Akinfenwa](https://appshunter.io/developer/1692931604) | [Umar Rufai](https://appshunter.io/developer/1895570634) |

## What reviewers say

### Instasage

[App page](https://appshunter.io/ios/app/instasage/id6450365493)

This reading platform offers books, audiobooks, and learning resources. It's designed to help users cultivate a reading habit through smart tools and immersive audio experiences. Access thousands of titles for personal growth and entertainment.

**Highlights:** Extensive book library, Immersive audiobooks, Learning resources, Reading habit tools, Thousands of titles

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Membership | $4.99 | per month |
| Family Membership | $9.99 | per month |
| Individual Premium | $9.99 | per month |
| Individual (Quarterly) | $12.99 | per 3 months |
| Family (Quarterly) | $19.99 | per 3 months |
| Family Premium | $24.99 | per month |
| Individual (Yearly) | $44.99 | per year |
| Family (Yearly) | $54.99 | per year |


### Karatu

[App page](https://appshunter.io/ios/app/karatu/id6765975970)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Instasage free?

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

### Is Karatu free?

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

### Do Instasage or Karatu have ads?

Neither Instasage nor Karatu shows ads.

### Which is updated more often, Instasage or Karatu?

Instasage ships an update every 8 days, and Karatu daily. Most recently, Instasage was updated on October 24, 2026 and Karatu on October 25, 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.*