# MJ Calc vs Pay Me Back!

The clearest difference is in-app purchases: Pay Me Back! at none against MJ Calc's 1. MJ Calc's advantage is ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price, rating and device support there is nothing between them.

Both are free to download. MJ Calc sells 1 one-off in-app purchase. Pay Me Back! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MJ Calc against 5.0 for Pay Me Back!. That said, the two scores are not equally well evidenced: MJ Calc has 15 ratings behind it against 3, so its average is the more settled of the two.

MJ Calc ships an update every 2 months, Pay Me Back! every 6 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MJ Calc | Pay Me Back! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (15 ratings)](https://appshunter.io/ios/app/mj-calc/id809873488/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/pay-me-back/id1547165699/reviews) |
| Number of ratings | **15** | 3 |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | **Free** | Ad-supported |
| Size | 34 MB | 26 MB |
| Requires iOS | **9.1** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ka Ho Lam](https://appshunter.io/developer/809873491) | [Fung Yiu Fu](https://appshunter.io/developer/1525085614) |

## What reviewers say

### MJ Calc

[App page](https://appshunter.io/ios/app/mj-calc/id809873488)

This utility app simplifies Mahjong scoring calculations. It offers a user-friendly interface for quick and accurate score determination. Ideal for Mahjong players seeking a convenient scoring tool.

**Highlights:** Quick Mahjong score calculation, Easy to use interface, Accurate score determination, Convenient scoring tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告 | $0.99 | one-time |


### Pay Me Back!

[App page](https://appshunter.io/ios/app/pay-me-back/id1547165699)

Easily track and settle shared expenses with friends. Record event costs and get clear instructions on who owes whom, and how much. You can also mark payments as settled.

**Highlights:** Record event expenses, Calculate who owes whom, Specify payment amounts, Track payment status, Share settlement details

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MJ Calc free?

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

### Is Pay Me Back! free?

Pay Me Back! is free to download, with no in-app purchases.

### Which has better reviews, MJ Calc or Pay Me Back!?

MJ Calc and Pay Me Back! are both rated 5.0 out of 5 on the App Store, from 15 and 3 ratings respectively.

### Do MJ Calc or Pay Me Back! have ads?

Pay Me Back! shows ads; MJ Calc does not.

### Which is updated more often, MJ Calc or Pay Me Back!?

MJ Calc ships an update every 2 months, and Pay Me Back! every 6 months. Most recently, MJ Calc was updated on October 11, 2026 and Pay Me Back! on October 7, 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.*