# SD vs Dayaalu Center

The clearest difference is update cadence: SD at every 4 days against Dayaalu Center's every 3 weeks. SD also leads on iOS requirement (13.0.0 vs 15.0.0). 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.

SD ships an update every 4 days, Dayaalu Center every 3 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SD | Dayaalu Center |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 16 MB | 15 MB |
| Requires iOS | **13.0.0** | 15.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STUDIO DEPENDANCE INC.](https://appshunter.io/developer/6773266574) | [Dayaalu Center LLC](https://appshunter.io/developer/1465850032) |

## What reviewers say

### SD

[App page](https://appshunter.io/ios/app/sd/id6773266302)

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

**In-app purchases:** none


### Dayaalu Center

[App page](https://appshunter.io/ios/app/dayaalu-center/id6801480129)

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

**In-app purchases:** none


## Frequently asked questions

### Is SD free?

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

### Is Dayaalu Center free?

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

### Do SD or Dayaalu Center have ads?

Neither SD nor Dayaalu Center shows ads.

### Which is updated more often, SD or Dayaalu Center?

SD ships an update every 4 days, and Dayaalu Center every 3 weeks. Most recently, SD was updated on October 24, 2026 and Dayaalu Center on October 8, 2026.

---

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