# Simple Tax for IOS vs Stack

The clearest difference is price: Stack at Free against Simple Tax for IOS's $0.99. Stack also leads on update cadence (every 6 weeks vs every 10 months) and device support (4 vs 2). Simple Tax for IOS's advantage is in-app purchases (none vs 1). On review sentiment, ads and iOS requirement there is nothing between them.

Stack is free to download; Simple Tax for IOS costs $0.99 up front. Stack sells 1 one-off in-app purchase. Simple Tax for IOS asks for nothing beyond the download.

Simple Tax for IOS ships an update every 10 months, Stack every 6 weeks. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Simple Tax for IOS | Stack |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/stack-simple-debt-manager/id1673751951/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 92.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 0 MB | 30 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Saman Razavi](https://appshunter.io/developer/457169006) | [Leon Boettger](https://appshunter.io/developer/1537384790) |

## What reviewers say

### Simple Tax for IOS

[App page](https://appshunter.io/ios/app/simple-tax-for-ios/id457169003)

This finance app simplifies tax calculations with an intuitive interface. Easily adjust tax rates with a single tap for quick estimations. Designed for straightforward financial planning.

**Highlights:** Easy-to-use tax calculator, One-click tax rate modification, Quick estimations, Intuitive interface, Financial planning tool

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

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-simple-debt-manager/id1673751951)

Easily track and manage personal finances by categorizing credit and debt across multiple devices. Create separate spaces for different financial situations, share summaries, and use the built-in calculator for complex calculations.

**Highlights:** Categorize credit and debt, Create multiple financial spaces, Share debt summaries, Integrated value calculator, Split expenses easily, App lock with Face ID/Touch ID, Apple Watch app for on-the-go management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack+ | $0.99 | one-time |


## Frequently asked questions

### Is Simple Tax for IOS free?

Simple Tax for IOS costs $0.99, with no in-app purchases.

### Is Stack free?

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

### Do Simple Tax for IOS or Stack have ads?

Neither Simple Tax for IOS nor Stack shows ads.

### Which is updated more often, Simple Tax for IOS or Stack?

Simple Tax for IOS ships an update every 10 months, and Stack every 6 weeks. Most recently, Simple Tax for IOS was updated on October 21, 2026 and Stack on October 15, 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.*