# Decision Maker vs Istya

The clearest difference is in-app purchases: Istya at none against Decision Maker's 1. Istya also leads on ads (none vs shown) and update cadence (fortnightly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Decision Maker sells 1 one-off in-app purchase. Istya asks for nothing beyond the download.

Decision Maker ships an update monthly, Istya fortnightly. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Decision Maker | Istya |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Size | 56 MB | 136 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Thieu Khue](https://appshunter.io/developer/1554439862) | [9393-2556 Quebec Inc](https://appshunter.io/developer/1660107717) |

## What reviewers say

### Decision Maker

[App page](https://appshunter.io/ios/app/decision-maker-smart-choices/id1605325010)

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

**In-app purchases (1)**

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


### Istya

[App page](https://appshunter.io/ios/app/istya-workplace/id1660107715)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decision Maker free?

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

### Is Istya free?

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

### Do Decision Maker or Istya have ads?

Decision Maker shows ads; Istya does not.

### Which is updated more often, Decision Maker or Istya?

Decision Maker ships an update monthly, and Istya fortnightly. Most recently, Decision Maker was updated on October 25, 2026 and Istya on October 4, 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.*