# E vs Smart Flow

The clearest difference is update cadence: Smart Flow at daily against E's monthly. Smart Flow also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update monthly, Smart Flow daily. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | E | Smart Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 185 MB | 42 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [XinGuang Technology Co.,Ltd.](https://appshunter.io/developer/1130851011) | [PubLink science and technology (Hangzhou) Co.,Ltd](https://appshunter.io/developer/1531249187) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-lab-mc/id1434041094)

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

**In-app purchases:** none


### Smart Flow

[App page](https://appshunter.io/ios/app/smart-flow/id1562802451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Smart Flow free?

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

### Do E or Smart Flow have ads?

Neither E nor Smart Flow shows ads.

### Which is updated more often, E or Smart Flow?

E ships an update monthly, and Smart Flow daily. Most recently, E was updated on October 4, 2026 and Smart Flow on October 10, 2026.

---

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