Decisio vs Decidd
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Decisio
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Stop overthinking. Start deciding. Decisio uses AI and the Analytic Hierarchy Process (AHP) -- a decision science method trusted in boardrooms and universities worldwide -- to turn complex choices into clear, ranked results. In 10 minutes, you get a defensible answer backed by math, not a gut feeling. HOW IT WORKS Define your decision (or pick a template) Set your criteria and how much each matters Add your options Make pairwise comparisons -- "Is cost more important than speed?" Get a ranked result with confidence scores The AHP consistency check flags when your own judgments contradict each other. No other decision app does this. AI THAT RESPECTS YOUR PRIVACY AI features are part of Pro. On devices with Apple Intelligence they run entirely on your iPhone -- your decision details never leave your device. You can also connect your own OpenAI key instead. Either way, the structured analysis is the same. DEVIL'S ADVOCATE Before you commit, AI challenges your top choice. It surfaces blind spots specific to your criteria, options, and context -- not generic pushback. Available with Pro. YOUR DECISION PLAYBOOK Every decision teaches you something -- if you capture it. Part of Pro. Recipes: Save what worked so you can repeat your winning formulas Principles: Record hard-won lessons so you never make the same mistake twice Source links: Tap any Playbook entry to jump back to the original decision TRACK OUTCOMES, SHARPEN YOUR JUDGMENT Rate past decisions as right call, mixed, or wrong call After 5 rated decisions, see your personal Calibration Score Watch your decision-making accuracy improve over time 15+ READY-MADE TEMPLATES Career: Job offers, career change, relocation Purchases: Car, laptop, home Business: Vendor selection, hiring, build vs. buy Travel: Trip planning, destination comparison Life: Moving, relationships, major commitments PROFESSIONAL EXPORT Export any decision as a polished PDF, Excel spreadsheet, or Markdown document. Every number traces back to your inputs. Share your reasoning with a manager, partner, or team. SYNCED AND PRIVATE iCloud keeps your decisions available across iPhone and iPad. All data stays in your iCloud account. No third-party servers. No ads. No data selling. FREE TO START Your first three decisions are free -- the full AHP method, all templates, and ranked results. No account required. Pro adds unlimited decisions, AI analysis, Devil's Advocate, Decision Playbook, and PDF export, from $2.99/month or $19.99/year with a 7-day free trial on the annual plan.
Decidd
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Decidd turns a hard choice into a clear call. Big decisions get stuck in back-and-forth: too many options, too many "but what about...". Decidd gives you a simple, structured way through it. How it works: ⢠Name your decision: type it or just speak it. ⢠AI suggests the options you're weighing and the criteria that matter. ⢠Rate how each option does on each criterion. ⢠Set what's important with quick this-or-that comparisons. ⢠Get a ranked result, a clear winner, and a short explanation of why. Why people like it: ⢠Fast and focused: no clutter, no account, no sign-up. ⢠Works your way: use the AI assist or do it all by hand. ⢠Your data stays yours: decisions are stored on your device and synced privately through your own iCloud. No ads, no tracking, no analytics. Your Pathfinder to Lift-off.
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Verdict
Decisio and Decidd are too close to call on the numbers: across 6 compared parameters ā price, update cadence, ads and in-app purchases among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Decisio sells 6 in-app purchases, starting at $2.99 per month and Decidd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Decisio | Decidd |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 8 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitrii Raev | Jakob Stumpenhausen |
In-app purchases
Decisio
- Monthly Pro$2.991 Month
- Decisio Premium7 Days trial$17.991 Year
- Buy Us a Coffee$1.99
- Lunch for the Team$2.99
- Dinner & Development$3.99
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- Fuel Our Mission$12.99
Decidd
- Decidd Pro$3.99







