# Stacks vs JamDaiThai

Stacks and JamDaiThai are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Stacks sells 2 in-app purchases, starting at $9.99 per 3 months and JamDaiThai sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Stacks | JamDaiThai |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Freemium | — |
| Size | 77 MB | 21 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lewis Hoy](https://appshunter.io/developer/1812196615) | [Stefan Vladislav Edelman](https://appshunter.io/developer/6795212042) |

## What reviewers say

### Stacks

[App page](https://appshunter.io/ios/app/stacks-language-flashcards/id6745429203)

Create flashcards from your own experiences and conversations. This app uses spaced repetition to help you remember vocabulary longer with less study. It supports over 100 languages and offers offline study capabilities.

**Highlights:** Create cards from stories and conversations, Spaced repetition system (FSRS), Offline study mode, Automatic translations, Supports over 100 languages, Romanization for select scripts, Clean, minimal interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacks+ Quarterly | $9.99 | per 3 months |
| Stacks+ Yearly | $27.99 | per year |


### JamDaiThai

[App page](https://appshunter.io/ios/app/jamdaithai-learn-thai/id6806692689)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jam Dai Thai Premium Monthly | $6.99 | per month |
| Jam Dai Thai Premium Annual | $64.99 | per year |
| Jam Dai Thai Premium Lifetime | $164.99 | one-time |


## Frequently asked questions

### Is Stacks free?

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

### Is JamDaiThai free?

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

### Do Stacks or JamDaiThai have ads?

Neither Stacks nor JamDaiThai shows ads.

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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.*