Comparison

Prism vs Burnzy Void

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

Head to head
About

Prism

Features
Read full description

Offline AI in your pocket. Prism is a native AI workspace for iPhone, iPad, and iPhone Duo. Run models on your own hardware with Apple Intelligence or Prism’s custom llama.cpp engine. Download models directly in Prism or import compatible GGUF files. Your conversations, model files, and settings stay on your device. No account, subscription, or cloud inference service required. Control your inference Use Metal GPU acceleration with supported models and configure how they run. Adjust context length, response limits, batch size, temperature, Top-P, Top-K, and repeat penalty. Define your own system prompt and inspect prompts in Developer Mode. Explore local models Browse a curated library of compact text, reasoning, and vision models. Download models in the background or import compatible GGUF files from Files and HTTPS URLs. Attach images with supported vision models. Measure performance Track generation speed in tokens per second, token counts, and generation duration. Review performance trends and compare runs across your local models. Keep your work close Search and reopen saved conversations, review formatted responses and inline reasoning, and export transcripts as Markdown or JSON. Thinking duration is shown for supported models. Built for Apple devices Work in a focused native interface with layouts adapted to iPhone, iPad, and iPhone Duo. Available in English, German, and Turkish. Once your chosen model is downloaded and ready, inference works offline. Internet access is required for model downloads and catalog updates. Prism does not collect analytics or telemetry. Requires iOS 26 or iPadOS 26 or later. Apple Intelligence requires a supported device and must be enabled. Model compatibility, image support, and performance depend on the selected model and available device memory.

About

Burnzy Void

Features
Read full description

Burnzy Void is not a notebook, and it is not a to-do list. It is an emotional release app designed to help you unload mental weight, fast. When stress, anxiety, or looping thoughts get stuck in your head, simply write them down and choose how to let them go. Drop them instantly into the void. Seal them away for an hour or a day, then let them disappear automatically. Or enter Burn Mode and watch your words turn to ash through a deeply immersive ritual. Burnzy Void is not built to remember for you. It is built to help you release. With atmospheric visuals, pressure feedback, and a no-trace design, it turns writing into a real act of emotional unloading. Made for people who overthink, carry too much, or just need a place to let go. Write it. Release it. Let it vanish.

Screenshots

Prism4 screens
Burnzy Void4 screens

Verdict

The call

The clearest difference is iOS requirement: Burnzy Void at 16.6 against Prism's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Β· 5 level
Prism versus Burnzy Void: the parameters behind the verdict, then further details
ParameterPrismBurnzy Void
PriceFreeFree
Update frequencyEvery 3 monthsβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad β€” betteriPhone
Requires iOS26.016.6 β€” better
Further details β€” not scored
Size23 MB2 MB
Age rating12+17+
DeveloperKerem COLAKζ–Ή εΌ 

In-app purchases

None

Prism

No in-app purchases

None

Burnzy Void

No in-app purchases

Questions

Is Prism free?
Prism is free to download, with no in-app purchases.
Is Burnzy Void free?
Burnzy Void is free to download, with no in-app purchases.
Do Prism or Burnzy Void have ads?
Neither Prism nor Burnzy Void shows ads.

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