# 1st Calc vs Dezimat

The clearest difference is update cadence: Dezimat at every 11 days against 1st Calc's every 50 months. 1st Calc's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

1st Calc costs $0.99 and Dezimat $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

1st Calc ships an update every 50 months, Dezimat every 11 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 1st Calc | Dezimat |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/1st-calc/id546843701/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 11 days** |
| Monetization | Paid | — |
| Size | 9 MB | 32 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [medienwerkstatt](https://appshunter.io/developer/322110992) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### 1st Calc

[App page](https://appshunter.io/ios/app/1st-calc/id546843701)

This app provides a visual abacus-style bead frame to help primary school children learn numbers up to 100. It supports addition and subtraction practice, making math more engaging and helping to prevent learning disabilities.

**Highlights:** Abacus-style bead frame, Learn numbers up to 100, Addition and subtraction practice, Customizable bead colors, Optional live cam background

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

**In-app purchases:** none


### Dezimat

[App page](https://appshunter.io/ios/app/dezimat/id1642217104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1st Calc free?

1st Calc costs $0.99, with no in-app purchases.

### Is Dezimat free?

Dezimat costs $0.99, with no in-app purchases.

### Do 1st Calc or Dezimat have ads?

Neither 1st Calc nor Dezimat shows ads.

### Which is updated more often, 1st Calc or Dezimat?

1st Calc ships an update every 50 months, and Dezimat every 11 days. Most recently, 1st Calc was updated on October 23, 2026 and Dezimat on October 25, 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.*