# Priyo Authenticator vs Grid Calculator.

The clearest difference is update cadence: Grid Calculator. at every 2 weeks against Priyo Authenticator's monthly. Grid Calculator. also leads on iOS requirement (15.0 vs 17.6). 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.

Priyo Authenticator ships an update monthly, Grid Calculator. every 2 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Priyo Authenticator | Grid Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 33 MB | 1 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Md Sayed Abul Kasem](https://appshunter.io/developer/1772150864) | [Hong Kong BLJ Cosmetics Limited](https://appshunter.io/developer/1680645623) |

## What reviewers say

### Priyo Authenticator

[App page](https://appshunter.io/ios/app/priyo-authenticator/id6756983053)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grid Calculator.

[App page](https://appshunter.io/ios/app/grid-calculator/id6757141903)

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

**In-app purchases:** none


## Frequently asked questions

### Is Priyo Authenticator free?

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

### Is Grid Calculator. free?

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

### Do Priyo Authenticator or Grid Calculator. have ads?

Neither Priyo Authenticator nor Grid Calculator. shows ads.

### Which is updated more often, Priyo Authenticator or Grid Calculator.?

Priyo Authenticator ships an update monthly, and Grid Calculator. every 2 weeks. Most recently, Priyo Authenticator was updated on October 2, 2026 and Grid Calculator. on September 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.*