# dnCalc vs The Grid

The clearest difference is update cadence: dnCalc at fortnightly against The Grid's every 3 months. dnCalc also leads on iOS requirement (11.0 vs 15.6). 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.

dnCalc ships an update fortnightly, The Grid every 3 months. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | dnCalc | The Grid |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 15 MB | 38 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devious-Monkey](https://appshunter.io/developer/388388527) | [Javier Franco](https://appshunter.io/developer/1477566269) |

## What reviewers say

### dnCalc

[App page](https://appshunter.io/ios/app/dncalc/id1309683648)

Perform amazing mathematical "experiences" to impress friends and colleagues. This app allows you to reveal secret numbers, ages, zodiac signs, and more, all without touching a calculator. It's easy to use, requires no memorization, and can be done with your eyes closed.

**Highlights:** Reveal secret numbers, Peek at ages and zodiac signs, Calculate birth day of week, Create custom formulas, Works offline, Up to 5 participants

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

**In-app purchases:** none


### The Grid

[App page](https://appshunter.io/ios/app/the-grid-magic-trick-app/id6758676424)

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

**In-app purchases:** none


## Frequently asked questions

### Is dnCalc free?

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

### Is The Grid free?

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

### Do dnCalc or The Grid have ads?

Neither dnCalc nor The Grid shows ads.

### Which is updated more often, dnCalc or The Grid?

dnCalc ships an update fortnightly, and The Grid every 3 months. Most recently, dnCalc was updated on November 11, 2026 and The Grid on November 13, 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.*