EchoPad vs ContextStacker
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
EchoPad
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EchoPad is a next-generation AI notetaking app built for people who care about clarity and privacy. Record audio, write text notes, and let private AI, running locally on your device or in a secure private cloud, organize, summarize, and answer questions about your notes. No ads. No data mining. No compromises. Key features β’ Audio recording with accurate AI transcription β’ Text notes enhanced with AI summaries and highlights β’ Chat with your note transcripts to extract insights, action items, and decisions β’ Private AI processing: on-device or secure private cloud β’ Works for meetings, lectures, interviews, journaling, and daily thoughts Why choose EchoPad? β’ Privacy-first by design: your notes stay yours β’ Flexible AI: local processing or private cloudβyour choice β’ Designed for thinking, not just storing notes β’ Reliable anywhereβonline or offline (with on-device AI) Coming soon: smart organization, reminders, multi-device sync, and team notebooks. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ContextStacker
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ContextStacker brings your workspace knowledge into one focused chat. Sign in with the same account you use on the web, then ask questions across readable documents and enabled API resources in your workspace. Answers stream as they are generated, support Markdown, and include source references so you can understand where the information came from. KEY FEATURES β’ Ask across your entire workspace without choosing a single document β’ Continue conversations shared with the ContextStacker web app β’ Receive streamed answers with Markdown formatting β’ Review document and API sources behind each answer β’ Start new conversations and revisit chat history β’ Switch workspaces and manage your account β’ View your current plan and usage Use the web app to add or manage documents and API resources or invite members. Workspace owners and billing managers can subscribe to Pro Annual or Business Annual in the iOS app. Each plan clearly shows its annual price and included services before purchase. ContextStacker supports English, Simplified Chinese, and Japanese. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: ContextStacker at every 3 days against EchoPad's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. EchoPad sells 3 in-app purchases, starting at $6.99 per 7 days and ContextStacker sells 2 in-app purchases, starting at $99.00 per year. Whichever you choose, the download price is not the number that matters.
EchoPad ships an update every 6 weeks, ContextStacker every 3 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.
| Parameter | EchoPad | ContextStacker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.1 | 17.0 β better |
| Further details β not scored | ||
| Size | 48 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Wabi Sabi Solutions LLC | ιΉζΊ ι± |
In-app purchases
EchoPad
- EchoPad Weekly$6.997 Days
- Weekly Free Trial3 Days trial$6.997 Days
- Yearly Subscription$39.991 Year
ContextStacker
- Pro Annual$99.001 Year
- Business Annual$199.001 Year
Questions
Is EchoPad free?
Is ContextStacker free?
Do EchoPad or ContextStacker have ads?
Which is updated more often, EchoPad or ContextStacker?
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