Comparison

Caty App vs Retro Desktop Notes

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

Head to head
About

Caty App

Features
Read full description

Caty App is a multi-model AI chat application that puts you in control. Connect to leading AI providers using your own API keys, or try Caty AI instantly with no setup required. MULTIPLE AI MODELS Chat with Claude (Anthropic), GPT (OpenAI), Grok (xAI), and any OpenAI-compatible provider. Switch between models anytime from the dropdown menu. Add unlimited custom providers. COUNCIL MODE Ask multiple AI models the same question and compare their perspectives. Tag models with @mentions and watch them respond one by one, each seeing what others said before them. TRY CATY AI No API keys? No problem. Purchase 100 messages for just €0.99 and start chatting instantly. Powered by Anthropic's Claude technology. THREE UNIQUE THEMES Choose your style — Caty (classic), Loli (minimal), or Neko (technical). Each theme has full light and dark mode support. PRIVACY FIRST Your data stays on your device. API keys are never sent to our servers. Chat history is stored locally with optional iCloud sync between your Apple devices. KEY FEATURES - Voice input and text-to-speech - File and image attachments with AI analysis - Web search integration - Deep thinking mode with visible reasoning - Markdown rendering with code highlighting - Cross-device sync via iCloud - Custom system prompts per chat - Chat history with pinning Free to use with your own API keys. All updates included.

About

Retro Desktop Notes

Experience a nostalgic note-taking app that brings the charm of classic desktop computers to your mobile device. Enjoy a distraction-free writing experience with retro themes and essential organizational tools.

Highlights
  • Retro desktop themes
  • Fast and simple editor
  • Automatic saving
  • Pin important notes
  • Instant search
  • Trash with restore
Features
Read full description

Bring the charm of classic desktop computers to your pocket. Retro Memo is a nostalgic note-taking app inspired by vintage desktop operating systems. Designed for people who love retro interfaces, pixel-perfect details, and distraction-free writing. Instead of overwhelming you with unnecessary features, Retro Memo focuses on what matters most: writing, organizing, and enjoying the experience. FEATURES • Three beautiful retro desktop themes - Classic 95 - Platinum Mono - Luna Blue • Fast and simple note editor • Automatic saving • Pin important notes • Instant search • Sort your notes • Trash with restore support • Pixel-inspired desktop icons • Classic window interface • Retro typography • Privacy-friendly local storage NO SUBSCRIPTIONS. ONE-TIME PURCHASE. Whether you're capturing ideas, creating shopping lists, or writing quick reminders, Retro Memo makes every note feel like you're using a classic desktop computer again. A nostalgic experience, redesigned for modern iPhone.

Screenshots

Caty App4 screens
Retro Desktop Notes4 screens

Verdict

The call

The clearest difference is update cadence: Retro Desktop Notes at daily against Caty App's every 2 months. Caty App's advantage is device support (4 vs 2) and iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases 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. Caty App sells 1 one-off in-app purchase and Retro Desktop Notes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Caty App ships an update every 2 months, Retro Desktop Notes daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Caty App versus Retro Desktop Notes: the parameters behind the verdict, then further details
ParameterCaty AppRetro Desktop Notes
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.5 — better17.0
Further details — not scored
Size71 MB15 MB
Age rating17+4+
DeveloperOU CatyonicMARIE MORIKAGE

In-app purchases

1 purchases

Caty App

One-time1
  • 100 AI Messages$0.99
1 purchases

Retro Desktop Notes

One-time1
  • Retroプレミアム$1.99

Questions

Is Caty App free?
Caty App is free to download, with in-app purchases available.
Is Retro Desktop Notes free?
Retro Desktop Notes is free to download, with in-app purchases available.
Do Caty App or Retro Desktop Notes have ads?
Neither Caty App nor Retro Desktop Notes shows ads.
Which is updated more often, Caty App or Retro Desktop Notes?
Caty App ships an update every 2 months, and Retro Desktop Notes daily. Most recently, Caty App was updated on November 5, 2026 and Retro Desktop Notes on October 31, 2026.

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