# SA Smart World vs JiaNote

The clearest difference is in-app purchases: SA Smart World at none against JiaNote's 3. SA Smart World also leads on iOS requirement (14.0 vs 17.0). JiaNote's advantage is update cadence (fortnightly vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. JiaNote sells 3 in-app purchases, starting at $0.99 per month. SA Smart World asks for nothing beyond the download.

SA Smart World ships an update every 14 months, JiaNote fortnightly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SA Smart World | JiaNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Size | 220 MB | 6 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Hieu Pham Trung](https://appshunter.io/developer/1732169669) | [Beijing Boshujia Technology Co., Ltd](https://appshunter.io/developer/1666207574) |

## What reviewers say

### SA Smart World

[App page](https://appshunter.io/ios/app/sa-smart-world/id6478190729)

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

**In-app purchases:** none


### JiaNote

[App page](https://appshunter.io/ios/app/jianote/id6775746401)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JiaNote Pro Monthly | $0.99 | per month |
| JiaNote Pro Yearly | $3.99 | per year |
| JiaNote Pro Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is SA Smart World free?

SA Smart World is free to download, with no in-app purchases.

### Is JiaNote free?

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

### Do SA Smart World or JiaNote have ads?

Neither SA Smart World nor JiaNote shows ads.

### Which is updated more often, SA Smart World or JiaNote?

SA Smart World ships an update every 14 months, and JiaNote fortnightly. Most recently, SA Smart World was updated on October 10, 2026 and JiaNote 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.*