# Smart Reading vs ASTAR 4D

The clearest difference is review sentiment: Smart Reading at 67% against ASTAR 4D's 14%. Smart Reading also leads on rating (4.8 vs 2.1) and update cadence (every 9 days vs every 5 months). ASTAR 4D's advantage is in-app purchases (none vs 10) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Smart Reading sells 10 in-app purchases, starting at $9.99 per month. ASTAR 4D asks for nothing beyond the download.

Smart Reading holds the better App Store score, 4.8 against 2.1. That said, the two scores are not equally well evidenced: Smart Reading has 119 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 67% of Smart Reading's written reviews are positive against 14% of ASTAR 4D's.

Smart Reading ships an update every 9 days, ASTAR 4D every 5 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Smart Reading | ASTAR 4D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (119 ratings)](https://appshunter.io/ios/app/smart-reading/id1016647134/reviews)** | [2.1 (7 ratings)](https://appshunter.io/ios/app/astar-4d/id1490993407/reviews) |
| Number of ratings | **119** | 7 |
| Positive reviews | **67.0% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 138 MB | 1.0 GB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ivigreen LLC](https://appshunter.io/developer/1763967712) | [integer AR](https://appshunter.io/developer/1156869823) |

## What reviewers say

### Smart Reading

[App page](https://appshunter.io/ios/app/smart-reading/id1016647134)

Access concise summaries and audio versions of non-fiction books. Quickly grasp key ideas for self-development, career, and business without full reading. Explore a curated library with practical insights and actionable advice.

**Highlights:** Book summaries, Audio versions, Key ideas extraction, Self-development content, Career and business insights, Offline access, Weekly library updates

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 месяц | $9.99 | per month |
| 1 месяц | $12.49 | per month |
| Подписка на 1 месяц | $12.99 | per month |
| 1 год подписки | $53.99 | per year |
| 1 год подписки | $59.99 | per year |
| Годовая подписка | $59.99 | per year |
| 1 год подписки | $67.99 | per year |
| Годовая подписка | $67.99 | per year |
| Lifetime subscription | $129.99 | one-time |
| Lifetime subscription | $199.99 | one-time |


### ASTAR 4D

[App page](https://appshunter.io/ios/app/astar-4d/id1490993407)

This educational app uses augmented reality to bring printed books to life. It transforms static images into interactive 3D models, enhancing learning for students. Explore anatomy, space, technology, and nature through engaging visualizations and audio.

**Highlights:** Augmented reality 3D models, Interactive visualizations, Spatial reasoning development, Imagination enhancement, Volume design skills, Audio accompaniment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Reading free?

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

### Is ASTAR 4D free?

ASTAR 4D is free to download, with no in-app purchases.

### Which has better reviews, Smart Reading or ASTAR 4D?

Smart Reading is rated higher. Smart Reading averages 4.8 out of 5 from 119 ratings, while ASTAR 4D averages 2.1 from 7 ratings.

### Do Smart Reading or ASTAR 4D have ads?

Neither Smart Reading nor ASTAR 4D shows ads.

### Which is updated more often, Smart Reading or ASTAR 4D?

Smart Reading ships an update every 9 days, and ASTAR 4D every 5 months. Most recently, Smart Reading was updated on October 16, 2026 and ASTAR 4D on October 14, 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.*