# Carrefour Mongolia vs ButterFlyEffect Pro

The clearest difference is in-app purchases: Carrefour Mongolia at none against ButterFlyEffect Pro's 2. ButterFlyEffect Pro's advantage is update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ButterFlyEffect Pro sells 2 in-app purchases, starting at $1.99 per 7 days. Carrefour Mongolia asks for nothing beyond the download.

Carrefour Mongolia ships an update every 2 weeks, ButterFlyEffect Pro daily. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Carrefour Mongolia | ButterFlyEffect Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/carrefour-mongolia/id6504396133/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 52 MB | 1 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [IO Technology LLC](https://appshunter.io/developer/1607474413) | [Omer Tekbiyik](https://appshunter.io/developer/1473014122) |

## What reviewers say

### Carrefour Mongolia

[App page](https://appshunter.io/ios/app/carrefour-mongolia/id6504396133)

This app offers a loyalty program for shoppers, providing rewards, discounts, and easy access to purchase history. It aims to enhance the shopping experience by digitizing receipts and offering personalized promotions.

**Highlights:** Digital receipts, Purchase history tracking, Loyalty points, Exclusive discounts, Personalized promotions, Shopping information

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

**In-app purchases:** none


### ButterFlyEffect Pro

[App page](https://appshunter.io/ios/app/butterflyeffect-pro/id6783325231)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $1.99 | per 7 days |
| Monthly Pro Plan | $5.99 | per month |


## Frequently asked questions

### Is Carrefour Mongolia free?

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

### Is ButterFlyEffect Pro free?

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

### Do Carrefour Mongolia or ButterFlyEffect Pro have ads?

Neither Carrefour Mongolia nor ButterFlyEffect Pro shows ads.

### Which is updated more often, Carrefour Mongolia or ButterFlyEffect Pro?

Carrefour Mongolia ships an update every 2 weeks, and ButterFlyEffect Pro daily. Most recently, Carrefour Mongolia was updated on September 19, 2026 and ButterFlyEffect Pro on September 18, 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.*