# Aucta vs Stackd

The clearest difference is iOS requirement: Stackd at 18 against Aucta's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Aucta sells 1 one-off in-app purchase and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aucta ships an update weekly, Stackd fortnightly. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Aucta | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 8 MB | 3 MB |
| Requires iOS | 26.0 | **18** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Galetta](https://appshunter.io/developer/1794284751) | [Nene Nakagawa](https://appshunter.io/developer/1821103094) |

## What reviewers say

### Aucta

[App page](https://appshunter.io/ios/app/aucta-study-timer-and-grades/id6758896640)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aucta Pro | $3.99 | one-time |


### Stackd

[App page](https://appshunter.io/ios/app/stackd-study-timer-and-tracker/id6761293821)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackd Pro | $1.99 | one-time |


## Frequently asked questions

### Is Aucta free?

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

### Is Stackd free?

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

### Do Aucta or Stackd have ads?

Neither Aucta nor Stackd shows ads.

### Which is updated more often, Aucta or Stackd?

Aucta ships an update weekly, and Stackd fortnightly. Most recently, Aucta was updated on September 13, 2026 and Stackd on September 14, 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.*