Prelude Therapy prep vs StepDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prelude Therapy prep
This AI-powered companion helps you prepare for therapy sessions by providing a private space to reflect on your week. It uses local processing to transcribe your thoughts, identify emotional patterns, and generate session summaries, all without sending your data to the cloud.
- Voice-to-Insight transcription
- Session summary generation
- Emotional arc visualization
- Identification of recurring themes
- Local AI processing
- No account required
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Stop walking into therapy sessions wondering where to start. Prelude is a private cognitive companion that helps you bridge the gap between your daily life and your therapeutic breakthroughs. Built exclusively for iOS, Prelude uses Apple Foundation Models to provide a secure, voice-first reflection space. Speak freely about your week and our local AI agent asks gentle, probing questions to help you uncover the "why" behind your "what." [Key Features] • Voice-to-Insight: High-fidelity, local transcription turns your raw thoughts into structured themes. • Session Briefs: Automatically generate a concise summary of your week’s emotional arc to share with your therapist. • The Emotional Arc: Visualize patterns in your mood across multiple sessions without ever sending data to a server. • Recurring Themes: Identify the core issues like workload anxiety or relationship goals before you step into the room. [The Privacy Pledge] We believe your mental health data is your most sensitive asset. • No Cloud: All AI processing happens on your iPhone. • No Accounts: No login required. No tracking. No data leakage. • Free Forever: This version of Prelude is a Billionware gift to the mental health community. End user license agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
StepDeck
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StepDeck turns your daily steps into a card collecting adventure. Powered by Apple Health, every 1000 steps you take earns card packs filled with unique artwork, glowing effects, and cards ranging from Common to Legendary. WALK. EARN. COLLECT. Every 1000 steps earns a Standard Pack with 5 cards. Hit 10000 steps in a day to unlock a Daily 10k Pack – 6 cards with significantly better rarity odds. The more you move, the more powerful your collection becomes. FOUR RARITIES. ONE HOLY GRAIL. • Common – your everyday pick-up • Rare – a solid find • Epic – a serious pull • Legendary – the one you're chasing Epic and Legendary cards have a 10% chance to appear as shiny Foil variants, treated as separate collectibles in your deck. THREE CARD SERIES The Run Series features comic-style action cards inspired by the runner's spirit. The exclusive Glacier Series takes things further with icy, limited artwork not found in standard packs – including Foil Epics and Legendaries baked directly into the drop pool. And the all-new Art Series brings artistic cards with a look unlike anything else in your collection.
Screenshots
Verdict
The clearest difference is update cadence: StepDeck at every 5 days against Prelude Therapy prep's every 3 weeks. StepDeck also leads on iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Prelude Therapy prep ships an update every 3 weeks, StepDeck every 5 days. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.
| Parameter | Prelude Therapy prep | StepDeck |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 692 MB |
| Age rating | 12+ | 4+ |
| Developer | Ugochukwu Nwune | Marcel Brueck |
In-app purchases
Prelude Therapy prep
No in-app purchases
StepDeck
No in-app purchases







