Comparison

MindKeep vs Eris.

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MindKeep

This app provides an offline, on-device AI chat experience with secure file analysis and text-to-image generation. It offers privacy-first features and can connect to desktop applications or optional cloud models for advanced tasks.

Highlights
  • Offline on-device AI chat
  • Secure file and PDF analysis
  • Edge text-to-image generation
  • Connects to desktop LLM platforms
  • Optional Pro cloud models
  • Privacy-first encrypted chat
Read full description

Key features • Offline, on-device AI chat with instant responses • Secure file & PDF analysis • Edge text-to-image generation • Connect to MindKeep Desktop, LM Studio, or Ollama • Optional Pro cloud models that tap industry-leading LLMs—OpenAI, Claude, Llama, and Deepseek—for your most demanding tasks Why choose MindKeep? • Privacy-first: encrypted chat, no data tracking • Works anywhere— airplanes, subway, submarines, spaceships, anywhere and everywhere. • Enterprise-ready compliance & API hooks Coming soon: team workspaces, agent automations, and more! EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Eris.

Experience private AI conversations entirely on your device. This app offers offline access to multiple AI models, ensuring your data never leaves your iPhone or iPad. Enjoy fast, secure AI assistance without internet connectivity or subscriptions.

Highlights
  • 100% Private conversations
  • No internet required
  • Multiple AI models supported
  • Optimized for Apple Silicon
  • One-time download, use forever
  • Dark Mode support
  • Haptic feedback
Features
Read full description

Eris brings the power of AI conversation to your iPhone and iPad while keeping your privacy intact. Unlike cloud-based AI assistants, Eris runs entirely on your device using Apple's cutting-edge MLX framework. KEY FEATURES: • 100% Private - All conversations stay on your device • No Internet Required - Chat with AI completely offline • Multiple AI Models - Choose from Llama, Qwen, DeepSeek, and more • Lightning Fast - Optimized for Apple Silicon performance • No Subscriptions - One-time download, use forever • Dark Mode Support - Easy on your eyes • Haptic Feedback - Tactile responses for better interaction SUPPORTED MODELS: • Llama 3.2 (1B, 3B) - Meta's efficient language models • Qwen 2.5 Series - Multilingual capabilities • DeepSeek R1 - Advanced reasoning • Gemma 2, Phi 3.5, Mistral - Various specialized models • Code Models - For programming assistance PRIVACY FIRST: Your conversations never leave your device. No cloud servers, no data collection, no tracking. What you say to Eris stays with Eris. REQUIREMENTS: • iPhone XS/XR or newer (A12 chip required) • iOS 17.6 or later • 2-8GB storage per model Perfect for users who want AI assistance without compromising privacy. Whether you're brainstorming ideas, getting help with code, or just having a conversation, Eris is your private AI companion. Note: First launch includes a one-time model download. Models are stored locally for offline use.

Screenshots

MindKeep4 screens
Eris.4 screens

Verdict

The call

The clearest difference is rating: MindKeep at 5.0 against Eris.'s 4.3. MindKeep also leads on review sentiment (100% vs 80%). Eris.'s advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MindKeep sells 3 in-app purchases, starting at $6.99 per 7 days. Eris. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MindKeep holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 100% of MindKeep's written reviews are positive against 80% of Eris.'s.

UpkeepUpdate frequency

MindKeep ships an update every 10 days, Eris. every 2 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
MindKeep versus Eris.: the parameters behind the verdict, then further details
ParameterMindKeepEris.
PriceFreeFree
Rating5.0 (11 ratings) — better4.3 (6 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings11 — better6
Update frequencyEvery 10 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.1 — better17.6
Further details — not scored
Size58 MB34 MB
Age rating4+4+
DeveloperWabi Sabi Solutions LLCIgnacio Palacio

Customer experience

MindKeep

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Eris.

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

3 purchases

MindKeep

Subscriptions3
  • MindKeep Weekly$6.997 Days
  • MindKeep Weekly Free Trial3 Days trial$6.997 Days
  • Yearly Subscription$39.991 Year
None

Eris.

No in-app purchases

Questions

Is MindKeep free?
MindKeep is free to download, with in-app purchases available.
Is Eris. free?
Eris. is free to download, with no in-app purchases.
Which has better reviews, MindKeep or Eris.?
MindKeep is rated higher. MindKeep averages 5.0 out of 5 from 11 ratings, while Eris. averages 4.3 from 6 ratings.
Do MindKeep or Eris. have ads?
MindKeep shows ads; Eris. does not.
Which is updated more often, MindKeep or Eris.?
MindKeep ships an update every 10 days, and Eris. every 2 weeks. Most recently, MindKeep was updated on September 29, 2026 and Eris. on October 2, 2026.

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