# eZo Checkin vs FreeLingo Language Flashcards

The clearest difference is in-app purchases: eZo Checkin at none against FreeLingo Language Flashcards's 4. eZo Checkin also leads on iOS requirement (15.1 vs 18.0). FreeLingo Language Flashcards's advantage is update cadence (every 10 days vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. FreeLingo Language Flashcards sells 4 in-app purchases, starting at $1.99 per month. eZo Checkin asks for nothing beyond the download.

eZo Checkin ships an update every 14 months, FreeLingo Language Flashcards every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | eZo Checkin | FreeLingo Language Flashcards |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 79 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Helixmob](https://appshunter.io/developer/529060675) | [玉广 尹](https://appshunter.io/developer/1372631122) |

## What reviewers say

### eZo Checkin

[App page](https://appshunter.io/ios/app/ezo-checkin/id1491959067)

**Features:** macOS Compatibility

**In-app purchases:** none


### FreeLingo Language Flashcards

[App page](https://appshunter.io/ios/app/freelingo-language-flashcards/id6447558974)

This app helps you learn and retain new vocabulary across multiple languages. It offers structured learning paths, personalized review schedules, and various study formats to ensure long-term memory retention. Import words from text, files, or images for a customized learning experience.

**Highlights:** AI vocabulary import, Spaced repetition review system, Customizable vocabulary lists, Multiple study and testing formats, Audio-based listening review, Lock screen and home screen widgets

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $1.99 | per month |
| 按季度订阅 | $4.99 | per 3 months |
| 按年订阅 | $17.99 | per year |
| 永久解锁 | $99.99 | one-time |


## Frequently asked questions

### Is eZo Checkin free?

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

### Is FreeLingo Language Flashcards free?

FreeLingo Language Flashcards is free to download, with in-app purchases available.

### Do eZo Checkin or FreeLingo Language Flashcards have ads?

Neither eZo Checkin nor FreeLingo Language Flashcards shows ads.

### Which is updated more often, eZo Checkin or FreeLingo Language Flashcards?

eZo Checkin ships an update every 14 months, and FreeLingo Language Flashcards every 10 days. Most recently, eZo Checkin was updated on November 3, 2026 and FreeLingo Language Flashcards on November 3, 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.*