# Instasage vs AuthorAZ

Instasage and AuthorAZ 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. Instasage sells 8 in-app purchases, starting at $4.99 per month and AuthorAZ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Instasage ships an update every 9 days, AuthorAZ every 2 weeks. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Instasage | AuthorAZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instasage/id6450365493/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 62 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Samson Akinfenwa](https://appshunter.io/developer/1692931604) | [Alex Filip](https://appshunter.io/developer/1013883929) |

## 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 |


### AuthorAZ

[App page](https://appshunter.io/ios/app/authoraz/id6781582501)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $29.99 | one-time |


## Frequently asked questions

### Is Instasage free?

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

### Is AuthorAZ free?

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

### Do Instasage or AuthorAZ have ads?

Neither Instasage nor AuthorAZ shows ads.

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

Instasage ships an update every 9 days, and AuthorAZ every 2 weeks. Most recently, Instasage was updated on October 3, 2026 and AuthorAZ on October 4, 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.*