Comparison

Gravitas Studio Pro vs Nimbus8

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

Head to head
About

Gravitas Studio Pro

Features
Read full description

Gravitas Studio helps you run a modern creative studio from your iPhone without the spreadsheet chaos. Manage appointments, people, and money in one simple flow so your front desk and artists stay aligned. WHAT YOU CAN DO • Keep a clear appointment calendar tuned to your studio’s time zone • Set each artist’s weekly working hours and book against a day timeline that matches their availability • Maintain artist profiles and roles as your team grows • Track clients and booking history in one place, with alerts when a client cancels • Organize services, durations, and pricing for faster checkouts • Log studio expenses by category and see where money goes alongside revenue insights • See revenue and performance insights to understand how your studio is doing from week to week WHO IT’S FOR Independent studios and small teams especially tattoo & piercing shops, but flexible enough for other appointment-based creative businesses that need a straightforward, mobile-first setup. PLANS THAT SCALE WITH YOU • Free: core scheduling with limits on active artists, monthly appointments, and registered clients; data export isn’t included. • Pro: adds data export and removes the Free-plan limits on appointments and registered clients each month (still intended for a single active artist in the studio). • Team Pro: same benefits as Pro for bigger crews supports more active artists in one studio. Subscriptions are billed through your Apple ID where in-app purchases are available. Pricing, renewals, and cancellation follow your App Store account settings. Features can vary by version and region. PRIVACY & DATA Your studio information is hosted securely so you can focus on clients not IT. Have questions? Reach us through the support options on the Gravitas Studio website. Download Gravitas Studio and spend less time juggling messages and more time in the chair. Terms and conditions: https://gravitastudio.app/terms Privacy Policy: https://gravitastudio.app/privacy EULA Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Nimbus8

An on-device AI studio for iPhone and iPad, enabling local model execution for chat, coding, image generation, and more. Enjoy privacy with no data sent to servers for inference, with optional cloud features available.

Highlights
  • On-device AI model execution
  • Local chat and coding agents
  • Image generation and translation
  • Hybrid local/web search
  • Speech-to-text and text-to-speech
  • Background agents and scheduling
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

Gravitas Studio Pro4 screens
Nimbus83 screens

Verdict

The call

The clearest difference is update cadence: Nimbus8 at every 2 days against Gravitas Studio Pro's every 5 weeks. Gravitas Studio Pro's advantage is 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gravitas Studio Pro sells 4 in-app purchases, starting at $9.99 per month and Nimbus8 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Gravitas Studio Pro ships an update every 5 weeks, Nimbus8 every 2 days. Both last shipped on October 31, 2026.

Scorecard2 real differences · 8 level
Gravitas Studio Pro versus Nimbus8: the parameters behind the verdict, then further details
ParameterGravitas Studio ProNimbus8
PriceFreeFree
Rating—4.8 (6 ratings) — better
Positive reviews—88.9% of reviews
Number of ratings—6 — better
Update frequencyEvery 5 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.6 — better26.0
Further details — not scored
Size19 MB269 MB
Age rating4+9+
DeveloperLorik MorinaRobert Georges Jr.

In-app purchases

4 purchases

Gravitas Studio Pro

Subscriptions4
  • Gravitas Single Pro$9.991 Month
  • Gravitas Team Pro$19.991 Month
  • Gravitas Pro Yearly$59.991 Year
Show 1 more
  • Gravitas Pro Team$99.991 Year
2 purchases

Nimbus8

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

Questions

Is Gravitas Studio Pro free?
Gravitas Studio Pro is free to download, with in-app purchases available.
Is Nimbus8 free?
Nimbus8 is free to download, with in-app purchases available.
Do Gravitas Studio Pro or Nimbus8 have ads?
Neither Gravitas Studio Pro nor Nimbus8 shows ads.
Which is updated more often, Gravitas Studio Pro or Nimbus8?
Gravitas Studio Pro ships an update every 5 weeks, and Nimbus8 every 2 days. Most recently, Gravitas Studio Pro was updated on October 31, 2026 and Nimbus8 on October 31, 2026.

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