# Sparkalender vs Stackd

The clearest difference is in-app purchases: Stackd at none against Sparkalender's 3. Stackd also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sparkalender sells 3 in-app purchases, starting at $0.99 per month. Stackd asks for nothing beyond the download.

Sparkalender ships an update every 2 months, Stackd every 5 days. The most recent releases landed on October 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sparkalender | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stackd-savings-tracker/id6754548547/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 2 MB | 45 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Carlsson](https://appshunter.io/developer/905479758) | [Stackd Systems LLC](https://appshunter.io/developer/1840895970) |

## What reviewers say

### Sparkalender

[App page](https://appshunter.io/ios/app/sparkalender-save-money/id6475508859)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly saver | $0.99 | per month |
| Full Access | $1.99 | one-time |
| Pro | $1.99 | one-time |


### Stackd

[App page](https://appshunter.io/ios/app/stackd-savings-tracker/id6754548547)

This app helps you save money by logging everyday choices that reduce spending. Build streaks, assign values to your savings, and transfer funds when ready. It focuses on simple habits without restrictive budgeting.

**Highlights:** Log everyday savings actions, Assign dollar values to savings, Build saving streaks, Transfer accumulated savings, Focus on simple habits, No restrictive budgeting

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

**In-app purchases:** none


## Frequently asked questions

### Is Sparkalender free?

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

### Is Stackd free?

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

### Do Sparkalender or Stackd have ads?

Neither Sparkalender nor Stackd shows ads.

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

Sparkalender ships an update every 2 months, and Stackd every 5 days. Most recently, Sparkalender was updated on October 13, 2026 and Stackd on September 24, 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.*