# Poly Flashcards vs Understood In Spanish

The clearest difference is ads: Poly Flashcards at none against Understood In Spanish's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Poly Flashcards sells 3 in-app purchases, starting at $4.99 per month and Understood In Spanish sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Poly Flashcards ships an update every 5 days, Understood In Spanish weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Poly Flashcards | Understood In Spanish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/understood-in-spanish/id6809186638/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Size | 26 MB | 99 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Colin Kelly](https://appshunter.io/developer/6802722579) | [Olivia Renee Studio, LLC](https://appshunter.io/developer/1823917643) |

## What reviewers say

### Poly Flashcards

[App page](https://appshunter.io/ios/app/poly-flashcards/id6802722577)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Poly AI+ Monthly | $4.99 | per month |
| Poly AI+ Annual | $44.99 | per year |
| Poly Pro Lifetime | $3.99 | one-time |


### Understood In Spanish

[App page](https://appshunter.io/ios/app/understood-in-spanish/id6809186638)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $5.99 | per year |


## Frequently asked questions

### Is Poly Flashcards free?

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

### Is Understood In Spanish free?

Understood In Spanish is free to download, with in-app purchases available.

### Do Poly Flashcards or Understood In Spanish have ads?

Understood In Spanish shows ads; Poly Flashcards does not.

### Which is updated more often, Poly Flashcards or Understood In Spanish?

Poly Flashcards ships an update every 5 days, and Understood In Spanish weekly. Most recently, Poly Flashcards was updated on October 31, 2026 and Understood In Spanish on October 31, 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.*