Comparison

TextShift vs Catalyst

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

Head to head
About

TextShift

Read full description

TextShift lets you securely encode and decode text in seconds. Share messages with confidence — only people with the correct keyword can read them. Privacy first Protect your text with simple keyword-based encoding. Keep your messages safe from unwanted access. Fast and easy No setup required. Enter your text, choose a keyword, and instantly encode or decode. Face ID & biometric unlock Secure your data with Face ID or biometric authentication. Access your content quickly and safely. App shortcuts Save your favorite keywords and access them directly from your home screen. Start encoding or decoding instantly. Share instantly Send encoded text to your friends with one tap using your favorite apps. Flexible usage • Encode and decode text instantly • Save and reuse your favorite keywords • Upgrade for higher usage limits Designed for simplicity, speed, and privacy. Try TextShift today and take control of your private messages.

About

Catalyst

Access multiple leading AI models in one app, compare their responses, and generate images or videos. It also supports Python code execution and web searches with sources. Bring your own API keys for flexibility and control over your data.

Highlights
  • Access multiple AI models
  • Compare AI model responses
  • Generate images and video clips
  • Secure Python sandbox
  • Web search with sources
  • Attach files and photos
  • Persistent conversation memory
Features
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Catalyst puts today's best AI models in one place — and lets you switch between them with a tap. Chat with models from Anthropic, OpenAI, Google, and more in a single conversation, and bring your own API keys so you're never locked in. WHAT YOU CAN DO • Chat with multiple AI models — pick the right one for each question, or compare answers side by side • Generate images from a prompt, and create or animate short video clips • Run Python in a secure sandbox for calculations, data analysis, and charts • Search the web for current information, with sources • Attach photos and files and ask about them • Give the assistant a memory that carries useful context across conversations BRING YOUR OWN MODELS Catalyst is model-agnostic. Connect your own provider keys — Anthropic, OpenAI, Google, or any OpenAI-compatible endpoint — and use the models you choose at the provider's own rates. A better, cheaper model ships every few weeks; point Catalyst at whatever's best today. YOUR DATA, YOUR CONTROL Your conversations sync securely so your history follows you across devices. Export everything you've created at any time, and delete individual chats — or your whole account — from inside the app. Catalyst on iPhone and iPad is the companion to the full workspace at catalyst.voov.ai, where you can also build workflows, mini apps, and connect data sources. Sign in with Apple, Google, or email.

Screenshots

TextShift4 screens
Catalyst4 screens

Verdict

The call

The clearest difference is in-app purchases: Catalyst at none against TextShift's 2. TextShift's advantage is update cadence (every 2 days vs every 9 days) and iOS requirement (13.0 vs 18.0). On price, ads 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. TextShift sells 2 one-off in-app purchases. Catalyst asks for nothing beyond the download.

UpkeepUpdate frequency

TextShift ships an update every 2 days, Catalyst every 9 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 6 level
TextShift versus Catalyst: the parameters behind the verdict, then further details
ParameterTextShiftCatalyst
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size19 MB31 MB
Age rating12+12+
DeveloperThomas JordanObjectGraph LLC

In-app purchases

2 purchases

TextShift

One-time2
  • Light Rate Limit$4.99
  • Non Rate Limit$19.99
None

Catalyst

No in-app purchases

Questions

Is TextShift free?
TextShift is free to download, with in-app purchases available.
Is Catalyst free?
Catalyst is free to download, with no in-app purchases.
Do TextShift or Catalyst have ads?
Neither TextShift nor Catalyst shows ads.
Which is updated more often, TextShift or Catalyst?
TextShift ships an update every 2 days, and Catalyst every 9 days. Most recently, TextShift was updated on October 15, 2026 and Catalyst on October 8, 2026.

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