# Dotta vs Decision Engine AI

The clearest difference is in-app purchases: Decision Engine AI at none against Dotta's 1. Dotta's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

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

Dotta ships an update weekly, Decision Engine AI fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Dotta | Decision Engine AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decision-engine-ai/id6760727264/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Perma Evidence SA](https://appshunter.io/developer/1628117471) | [Kakhaber Sinauridze](https://appshunter.io/developer/1855981575) |

## What reviewers say

### Dotta

[App page](https://appshunter.io/ios/app/dotta/id6578448069)

This AI assistant offers voice-activated interaction for easy access to advanced technology. Users can ask thousands of questions with a simple credit top-up, avoiding subscriptions. It's designed for all skill levels.

**Highlights:** AI-powered assistance, Voice interaction, Simple button interface, Credit top-up system, No subscriptions required

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| up to 5000 questions $5+VAT | $4.99 | one-time |


### Decision Engine AI

[App page](https://appshunter.io/ios/app/decision-engine-ai/id6760727264)

This app provides structured, intelligent breakdowns of decisions to help users think clearly and act with confidence. It aims to prevent circular thinking by offering quick, insightful analyses.

**Highlights:** Structured decision breakdowns, Intelligent analysis, Faster decision making, Clear thinking support, Actionable insights

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

**In-app purchases:** none


## Frequently asked questions

### Is Dotta free?

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

### Is Decision Engine AI free?

Decision Engine AI is free to download, with no in-app purchases.

### Do Dotta or Decision Engine AI have ads?

Neither Dotta nor Decision Engine AI shows ads.

### Which is updated more often, Dotta or Decision Engine AI?

Dotta ships an update weekly, and Decision Engine AI fortnightly. Most recently, Dotta was updated on October 4, 2026 and Decision Engine AI on October 7, 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.*