Comparison

Duora vs Nimbus8

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

Head to head
About

Duora

Features
Read full description

Powered by Apple's latest Foundation Models framework and on-device MLX models, Duora brings fast and reliable intelligence directly to your device while keeping your data fully protected. After setup, local models work without an internet connection and your information never leaves your device. Key Features: 1. On-Device Intelligence Built on native Apple Foundation Models and downloadable MLX models, optimized for iPhone to deliver fast, efficient responses. 2. Private and Offline by Design All processing happens locally. No servers, no uploads, no tracking. Once your models are ready, Duora works even without an internet connection. 3. Duora Voice Assistant Talk to Duora naturally with selectable on-device speech recognition and voice models, then hear the answer hands-free. 4. Web Search Bring current information and cited sources into a conversation whenever you choose. 5. Document Reading Import documents and ask questions grounded in their contents. 6. Duora Connect Use your own nearby Mac or iPad to run larger local models over your local network. 7. Duora Benchmark Measure and compare on-device model speed with consistent performance tests. 8. Layered Reasoning Duora analyzes your question from multiple perspectives, breaks it into clear steps, and produces thoughtful, accurate answers. 9. Long and Continuous Conversations Smart context management keeps your conversation flowing seamlessly, no matter how long you chat. 10. Shaped Around You Tune Duora's personality, expertise, and tone, and define custom rules for how it thinks and responds. 11. Refined Native Design A smooth, focused interface with fluid animations, a minimal layout, and full support for system appearance.

About

Nimbus8

Run powerful AI models directly on your iPhone or iPad without sending data to servers. This app offers local chat, coding assistance, image generation, translation, and more, with advanced features available through a one-time purchase.

Highlights
  • On-device AI model execution
  • Local chat and coding assistance
  • Image generation and translation
  • Background agents and scheduling
  • Hybrid local/web search
  • Speech-to-text and text-to-speech
  • Cross-module memory and recall
Features
Read full description

Nimbus8 is an on-device AI studio for iPhone and iPad. Run open models locally — chat, code, search, vision, image generation, audio, translation, and background agents — with nothing sent to Nimbus servers for inference. Gale (chat) is free forever. Download models from Hugging Face, attach photos and PDFs, and stream replies entirely on your device. Nimbus8 Pro (one-time in-app purchase) unlocks: • Cirrus — repo-aware coding agent with inline diffs • Ashe — confirm-first background agents and scheduled Hands • Mist — hybrid local search with optional web layer • Mirage — on-device image generation • Stratus — camera, OCR, and vision Q&A • Overture — speech-to-text, text-to-speech, and audio tools • Zephyr — on-device translation • Haze — cross-module memory and recall Built native in Swift with a Rust core. No Nimbus account required. Optional cloud inference. No telemetry. Models you choose are downloaded to your device and run locally. Processing stays on your phone unless you explicitly enable optional network features (such as web search or a BYOK cloud provider in Cirrus). Purchase Nimbus8 Pro once through Apple In-App Purchase. Restore anytime with your Apple ID. Family Sharing follows Apple's IAP rules. Privacy policy: https://trynimbus.org/privacy.html

Screenshots

Duora4 screens
Nimbus83 screens

Verdict

The call

The clearest difference is in-app purchases: Duora at none against Nimbus8's 2. Nimbus8's advantage is update cadence (every 2 days vs every 7 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nimbus8 sells 2 one-off in-app purchases. Duora asks for nothing beyond the download.

UpkeepUpdate frequency

Duora ships an update every 7 months, Nimbus8 every 2 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
Duora versus Nimbus8: the parameters behind the verdict, then further details
ParameterDuoraNimbus8
PriceFreeFree
Rating—4.8 (6 ratings) — better
Positive reviews—88.9% of reviews
Number of ratings—6 — better
Update frequencyEvery 7 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS26.126.0 — better
Further details — not scored
Size58 MB270 MB
Age rating12+9+
DeveloperYAVUZ KAAN AKYUZRobert Georges Jr.

In-app purchases

None

Duora

No in-app purchases

2 purchases

Nimbus8

One-time2
  • 3-day TrialFree
  • Nimbus8 Pro - Lifetime$19.99

Questions

Is Duora free?
Duora is free to download, with no in-app purchases.
Is Nimbus8 free?
Nimbus8 is free to download, with in-app purchases available.
Do Duora or Nimbus8 have ads?
Neither Duora nor Nimbus8 shows ads.
Which is updated more often, Duora or Nimbus8?
Duora ships an update every 7 months, and Nimbus8 every 2 days. Most recently, Duora was updated on October 16, 2026 and Nimbus8 on October 10, 2026.

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