Dotta vs Decision Engine AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dotta
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.
- AI-powered assistance
- Voice interaction
- Simple button interface
- Credit top-up system
- No subscriptions required
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Dotta allows everyone to use one of the best artificial intelligences with simple buttons suitable for every level of expertise. Voice interaction makes it easy and effective to bring everyone closer to these new technologies. With a small credit top-up, and without subscriptions, you can ask thousands of questions.
Decision Engine AI
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.
- Structured decision breakdowns
- Intelligent analysis
- Faster decision making
- Clear thinking support
- Actionable insights
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Decision Engine helps you think clearly when it matters most. Instead of going in circles, you get structured, intelligent decision breakdowns in seconds—so you can act with confidence. Decision Engine Pro (optional upgrade): - Pro Monthly: an auto-renewable subscription for unlimited decisions with no daily limits. - Pro Lifetime: a one-time purchase for unlimited access. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple Account > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://decision-engine-site.lovable.app/privacy
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Dotta | Decision Engine AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Perma Evidence SA | Kakhaber Sinauridze |
Customer experience
Dotta
Decision Engine AI
In-app purchases
Dotta
- up to 5000 questions $5+VAT$4.99
Decision Engine AI
No in-app purchases
