# Zen SmartLearn vs RERU APP

The clearest difference is update cadence: RERU APP at every 6 weeks against Zen SmartLearn's every 8 months. Zen SmartLearn's advantage is iOS requirement (13.6 vs 15.1). 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.

Zen SmartLearn ships an update every 8 months, RERU APP every 6 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | Zen SmartLearn | RERU APP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Size | 138 MB | 74 MB |
| Requires iOS | **13.6** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CONICLE COMPANY LIMITED](https://appshunter.io/developer/979282578) | [Krung Thai Bank](https://appshunter.io/developer/383583054) |

## What reviewers say

### Zen SmartLearn

[App page](https://appshunter.io/ios/app/zen-smartlearn/id1560077496)

**Features:** macOS Compatibility

**In-app purchases:** none


### RERU APP

[App page](https://appshunter.io/ios/app/reru-app/id1628069786)

**In-app purchases:** none


## Frequently asked questions

### Is Zen SmartLearn free?

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

### Is RERU APP free?

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

### Do Zen SmartLearn or RERU APP have ads?

Neither Zen SmartLearn nor RERU APP shows ads.

### Which is updated more often, Zen SmartLearn or RERU APP?

Zen SmartLearn ships an update every 8 months, and RERU APP every 6 weeks. Most recently, Zen SmartLearn was updated on October 10, 2026 and RERU APP 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.*