# DMIS vs Calculator CIassic

The clearest difference is in-app purchases: DMIS at none against Calculator CIassic's 1. DMIS also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator CIassic sells 1 one-off in-app purchase. DMIS asks for nothing beyond the download.

DMIS ships an update every 2 weeks, Calculator CIassic weekly. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DMIS | Calculator CIassic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (10 ratings)](https://appshunter.io/ios/app/calculator-ciassic/id6447488409/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 62 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [G2C Office, Royal Government of Bhutan](https://appshunter.io/developer/1148844615) | [Edison Largo](https://appshunter.io/developer/978541799) |

## What reviewers say

### DMIS

[App page](https://appshunter.io/ios/app/dmis/id1436131682)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator CIassic

[App page](https://appshunter.io/ios/app/calculator-ciassic/id6447488409)

A straightforward and user-friendly calculator app designed for quick calculations. It features a display log for tracking calculations, a backspace key for corrections, and supports both decimal points and commas.

**Highlights:** Display log for calculations, Backspace key for corrections, Decimal point and comma support, Easy-to-use interface, Suitable for students and professionals

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is DMIS free?

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

### Is Calculator CIassic free?

Calculator CIassic is free to download, with in-app purchases available.

### Do DMIS or Calculator CIassic have ads?

Calculator CIassic shows ads; DMIS does not.

### Which is updated more often, DMIS or Calculator CIassic?

DMIS ships an update every 2 weeks, and Calculator CIassic weekly. Most recently, DMIS was updated on September 10, 2026 and Calculator CIassic on September 14, 2026.

---

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