# Codex Calc vs レコーダー

The clearest difference is price: レコーダー at Free against Codex Calc's $0.99. Codex Calc's advantage is update cadence (every 6 months vs every 20 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

レコーダー is free to download; Codex Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Codex Calc ships an update every 6 months, レコーダー every 20 months. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Codex Calc | レコーダー |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/codex-calc/id505057155/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 20 months |
| Monetization | Paid | — |
| Size | 11 MB | 1 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Driftwood Studio Software LLC](https://appshunter.io/developer/1822849713) | [SpeakBUDDY Ltd.](https://appshunter.io/developer/633270154) |

## What reviewers say

### Codex Calc

[App page](https://appshunter.io/ios/app/codex-calc/id505057155)

This app offers a powerful yet intuitive calculator experience with a variety of modes including scientific, unit conversion, and tip calculation. It features a customizable interface and a detailed history tape for all your calculations.

**Highlights:** Full scientific calculator functions, Unit converter, Tip calculator, RPN mode, History tape, Customizable interface, Multiple visual themes

**Features:** macOS Compatibility

**In-app purchases:** none


### レコーダー

[App page](https://appshunter.io/ios/app/id1469874020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Codex Calc free?

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

### Is レコーダー free?

レコーダー is free to download, with no in-app purchases.

### Do Codex Calc or レコーダー have ads?

Neither Codex Calc nor レコーダー shows ads.

### Which is updated more often, Codex Calc or レコーダー?

Codex Calc ships an update every 6 months, and レコーダー every 20 months. Most recently, Codex Calc was updated on June 5, 2026 and レコーダー on September 19, 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.*