# dnCalc vs ACAAT CHRONOMASTER

The clearest difference is price: dnCalc at Free against ACAAT CHRONOMASTER's $69.99. dnCalc also leads on in-app purchases (none vs 2) and iOS requirement (11.0 vs 17.1). ACAAT CHRONOMASTER's advantage is update cadence (every 3 days vs fortnightly). On review sentiment, ads and device support there is nothing between them.

dnCalc is free to download; ACAAT CHRONOMASTER costs $69.99 up front. ACAAT CHRONOMASTER sells 2 one-off in-app purchases. dnCalc asks for nothing beyond the download.

dnCalc ships an update fortnightly, ACAAT CHRONOMASTER every 3 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | dnCalc | ACAAT CHRONOMASTER |
| --- | --- | --- |
| Price | **Free** | $69.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acaat-chronomaster/id1513813745/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | **Free** | Paid |
| Size | 15 MB | 8 MB |
| Requires iOS | **11.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Devious-Monkey](https://appshunter.io/developer/388388527) | [sebastien macak](https://appshunter.io/developer/1330334721) |

## 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


### ACAAT CHRONOMASTER

[App page](https://appshunter.io/ios/app/acaat-chronomaster/id1513813745)

This app allows users to force card positions and numbers within stacks, offering multiple input methods and advanced customization. It supports integrations with other platforms and provides developers with an API for custom solutions.

**Highlights:** Stack forcing, Number forcing, Remote control input, Lockscreen input, Multi-forcing up to 3 numbers, Pre-record numbers, Webhook integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| acaat watch compagnon | $19.99 | one-time |
| ACAAT Appclip config | $22.99 | one-time |


## Frequently asked questions

### Is dnCalc free?

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

### Is ACAAT CHRONOMASTER free?

ACAAT CHRONOMASTER costs $69.99, and also offers in-app purchases.

### Do dnCalc or ACAAT CHRONOMASTER have ads?

Neither dnCalc nor ACAAT CHRONOMASTER shows ads.

### Which is updated more often, dnCalc or ACAAT CHRONOMASTER?

dnCalc ships an update fortnightly, and ACAAT CHRONOMASTER every 3 days. Most recently, dnCalc was updated on October 13, 2026 and ACAAT CHRONOMASTER on October 12, 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.*