# 12C vs Copybell

The clearest difference is in-app purchases: Copybell at none against 12C's 1. Copybell also leads on update cadence (every 2 months vs every 15 months). 12C's advantage is iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 12C sells 1 one-off in-app purchase. Copybell asks for nothing beyond the download.

12C ships an update every 15 months, Copybell every 2 months. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 12C | Copybell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (10 ratings)](https://appshunter.io/ios/app/12c-modern/id6444529133/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 83 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anishu, Inc.](https://appshunter.io/developer/306257913) | [HERO SOFTWARE LTDA](https://appshunter.io/developer/1608367674) |

## What reviewers say

### 12C

[App page](https://appshunter.io/ios/app/12c-modern/id6444529133)

This app replicates the functionality of a classic financial calculator, offering modern enhancements like interactive prompts and register views. It provides basic calculator, math, percentage, calendar, and memory functions for free, with advanced financial tools available via a one-time purchase.

**Highlights:** HP 12c functionality reimplementation, Interactive prompts and recipes, Register views for data inspection, Basic calculator functions included, Advanced financial functions via IAP

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12C Modern: full functionality | $5.99 | one-time |


### Copybell

[App page](https://appshunter.io/ios/app/copybell/id6752260604)

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

**In-app purchases:** none


## Frequently asked questions

### Is 12C free?

12C is free to download, with in-app purchases available.

### Is Copybell free?

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

### Do 12C or Copybell have ads?

Neither 12C nor Copybell shows ads.

### Which is updated more often, 12C or Copybell?

12C ships an update every 15 months, and Copybell every 2 months. Most recently, 12C was updated on October 27, 2026 and Copybell on October 15, 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.*