# HRBluSky vs Admin BA Prerna

The clearest difference is update cadence: HRBluSky at every 3 weeks against Admin BA Prerna's every 10 months. 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.

HRBluSky ships an update every 3 weeks, Admin BA Prerna every 10 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HRBluSky | Admin BA Prerna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Size | 86 MB | 55 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PRUVITY HR SOLUTIONS](https://appshunter.io/developer/1550052180) | [COMMUNITIES HERITAGE LIMITED](https://appshunter.io/developer/1583189998) |

## What reviewers say

### HRBluSky

[App page](https://appshunter.io/ios/app/hrblusky-attendance-tracker/id6444103060)

**Features:** macOS Compatibility

**In-app purchases:** none


### Admin BA Prerna

[App page](https://appshunter.io/ios/app/admin-ba-prerna-ess/id6453025620)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HRBluSky free?

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

### Is Admin BA Prerna free?

Admin BA Prerna is free to download, with no in-app purchases.

### Do HRBluSky or Admin BA Prerna have ads?

Neither HRBluSky nor Admin BA Prerna shows ads.

### Which is updated more often, HRBluSky or Admin BA Prerna?

HRBluSky ships an update every 3 weeks, and Admin BA Prerna every 10 months. Most recently, HRBluSky was updated on October 27, 2026 and Admin BA Prerna on October 30, 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.*