# StackCards vs Decision Threshold

StackCards and Decision Threshold are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. StackCards sells 1 one-off in-app purchase and Decision Threshold sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

StackCards ships an update monthly, Decision Threshold every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | StackCards | Decision Threshold |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 5 MB | 16 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luis Leonardo Salas Delgadillo](https://appshunter.io/developer/6789007477) | [MUSTAFA OZTURK](https://appshunter.io/developer/6798660476) |

## What reviewers say

### StackCards

[App page](https://appshunter.io/ios/app/stackcards-flashcards/id6789007475)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StackCards Premium | $4.99 | one-time |


### Decision Threshold

[App page](https://appshunter.io/ios/app/decision-threshold/id6810371823)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium · Full Collection | $4.99 | one-time |


## Frequently asked questions

### Is StackCards free?

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

### Is Decision Threshold free?

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

### Do StackCards or Decision Threshold have ads?

Neither StackCards nor Decision Threshold shows ads.

### Which is updated more often, StackCards or Decision Threshold?

StackCards ships an update monthly, and Decision Threshold every 3 weeks. Most recently, StackCards was updated on November 5, 2026 and Decision Threshold 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.*