# Smart lecture ebook vs 中学理科 Be Study

The clearest difference is ads: Smart lecture ebook at none against 中学理科 Be Study's shown. Smart lecture ebook also leads on update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Smart lecture ebook sells 1 one-off in-app purchase and 中学理科 Be Study sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Smart lecture ebook ships an update daily, 中学理科 Be Study every 3 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Smart lecture ebook | 中学理科 Be Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 121 MB | 111 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SHINKOSHUPPANSHA KEIRINKAN Co.,Ltd](https://appshunter.io/developer/867388569) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## What reviewers say

### Smart lecture ebook

[App page](https://appshunter.io/ios/app/smart-lecture-ebook/id1664335223)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JAPANESE MATH SmartLacture10 | $8.99 | one-time |


### 中学理科 Be Study

[App page](https://appshunter.io/ios/app/be-study/id6670769894)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - JH Science Be | $1.99 | per month |
| Annual - JH Science Be | $14.99 | per year |
| Premium (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is Smart lecture ebook free?

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

### Is 中学理科 Be Study free?

中学理科 Be Study is free to download, with in-app purchases available.

### Do Smart lecture ebook or 中学理科 Be Study have ads?

中学理科 Be Study shows ads; Smart lecture ebook does not.

### Which is updated more often, Smart lecture ebook or 中学理科 Be Study?

Smart lecture ebook ships an update daily, and 中学理科 Be Study every 3 weeks. Most recently, Smart lecture ebook was updated on October 2, 2026 and 中学理科 Be Study on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*