# Correct Change vs iCodex

The clearest difference is in-app purchases: Correct Change at none against iCodex's 1. Correct Change also leads on iOS requirement (12.0 vs 17.6). iCodex's advantage is update cadence (every 3 weeks vs every 7 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. iCodex sells 1 one-off in-app purchase. Correct Change asks for nothing beyond the download.

Correct Change ships an update every 7 months, iCodex every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Correct Change | iCodex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/icodex-claude-and-codex-usage/id6792240003/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 63 MB | 10 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TOBES LTD](https://appshunter.io/developer/1539339323) | [建祥 陈](https://appshunter.io/developer/1782685807) |

## What reviewers say

### Correct Change

[App page](https://appshunter.io/ios/app/correct-change/id1539910151)

This app helps users quickly calculate the correct change for customer orders. It handles situations with and without tips, ensuring accurate transactions. Avoid confusion and save time when dealing with cash payments.

**Highlights:** Calculate change for orders, Include or exclude tips, Input order cost, Input cash taken, Simple and fast calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### iCodex

[App page](https://appshunter.io/ios/app/icodex-claude-and-codex-usage/id6792240003)

Monitor your Codex usage locally on your iPhone and Apple Watch. Track quota, token trends, and reset times with real-time data and customizable alerts. Features widgets and Live Activities for convenient access.

**Highlights:** Quota overview and reset times, Token trend analysis, Apple Watch app, Widgets and complications, Live Activities on Lock Screen, Low-quota alerts, Local-first data connection

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Correct Change free?

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

### Is iCodex free?

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

### Do Correct Change or iCodex have ads?

Neither Correct Change nor iCodex shows ads.

### Which is updated more often, Correct Change or iCodex?

Correct Change ships an update every 7 months, and iCodex every 3 weeks. Most recently, Correct Change was updated on November 3, 2026 and iCodex on October 31, 2026.

---

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