# EIndexUCG vs FlashCardFlipper

The clearest difference is update cadence: FlashCardFlipper at every 4 days against EIndexUCG's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EIndexUCG ships an update every 3 months, FlashCardFlipper every 4 days. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | EIndexUCG | FlashCardFlipper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 24 MB | 33 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Univerzitet Crne Gore](https://appshunter.io/developer/1895365440) | [DAVID WILLIAM SMITH](https://appshunter.io/developer/6802773153) |

## What reviewers say

### EIndexUCG

[App page](https://appshunter.io/ios/app/eindexucg/id6763542565)

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

**In-app purchases:** none


### FlashCardFlipper

[App page](https://appshunter.io/ios/app/flashcardflipper-study-cards/id6807141915)

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

**In-app purchases:** none


## Frequently asked questions

### Is EIndexUCG free?

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

### Is FlashCardFlipper free?

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

### Do EIndexUCG or FlashCardFlipper have ads?

Neither EIndexUCG nor FlashCardFlipper shows ads.

### Which is updated more often, EIndexUCG or FlashCardFlipper?

EIndexUCG ships an update every 3 months, and FlashCardFlipper every 4 days. Most recently, EIndexUCG was updated on October 5, 2026 and FlashCardFlipper on October 9, 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.*