# Auto Action vs 12C

The clearest difference is rating: Auto Action at 3.7 against 12C's 3.1. Auto Action also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 15 months). 12C's advantage is ratings volume (10 vs 3) and 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. Auto Action asks for nothing beyond the download.

Auto Action holds the better App Store score, 3.7 against 3.1. Both are backed by a comparable volume of ratings — 3 and 10 respectively.

Auto Action ships an update fortnightly, 12C every 15 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Auto Action | 12C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/auto-action/id1435182006/reviews)** | [3.1 (10 ratings)](https://appshunter.io/ios/app/12c-modern/id6444529133/reviews) |
| Number of ratings | 3 | **10** |
| Positive reviews | — | 21.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 15 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Auto Avaliar](https://appshunter.io/developer/1355691797) | [Anishu, Inc.](https://appshunter.io/developer/306257913) |

## What reviewers say

### Auto Action

[App page](https://appshunter.io/ios/app/auto-action/id1435182006)

This application allows users to generate and complete car evaluations. It streamlines the process of assessing vehicles directly within the app.

**Highlights:** Create car evaluations, Complete requested evaluations, In-app evaluation process

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Auto Action free?

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

### Is 12C free?

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

### Which has better reviews, Auto Action or 12C?

Auto Action is rated higher. Auto Action averages 3.7 out of 5 from 3 ratings, while 12C averages 3.1 from 10 ratings.

### Do Auto Action or 12C have ads?

Neither Auto Action nor 12C shows ads.

### Which is updated more often, Auto Action or 12C?

Auto Action ships an update fortnightly, and 12C every 15 months. Most recently, Auto Action was updated on October 24, 2026 and 12C on October 24, 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.*