Comparison

DiagPro+ vs Prism

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

Head to head
About

DiagPro+

Features
Read full description

DiagPro+ is your AI‑powered home repair assistant, helping you troubleshoot appliances, devices, and everyday household issues with simple, guided steps. Whether something stops working, makes a strange noise, leaks, won’t turn on, or shows a warning light, DiagPro+ helps you understand what’s happening and what to do next — no technical skills required. Fix common home problems with confidence: • Washers and dryers • Refrigerators and freezers • Dishwashers • Ovens, stoves, and microwaves • HVAC systems and thermostats • Plumbing fixtures and leaks • Electrical symptoms and power issues • Small appliances and home devices How it works: 1. Describe the issue or choose a category 2. DiagPro+ analyzes the symptoms using AI 3. Follow clear, step‑by‑step guidance 4. Learn what you can safely fix yourself 5. Know when it’s time to call a professional Why homeowners and renters use DiagPro+: • Get fast, accurate answers without searching the internet • Reduce unnecessary service calls and save money • Understand the real cause of the problem • Follow safe, beginner‑friendly instructions • Works across many appliances and devices • Expands over time as new troubleshooting flows are added DiagPro+ is built on a structured diagnostic engine designed to make troubleshooting simple, safe, and reliable. Instead of guessing or relying on random online advice, you get clear, validated steps tailored to real‑world home issues. Whether you’re dealing with a noisy washer, a warm fridge, a tripped breaker, a leaking faucet, or a device that suddenly stopped working, DiagPro+ helps you take the right next step — quickly and confidently

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.

Screenshots

DiagPro+4 screens
Prism4 screens

Verdict

The call

The clearest difference is update cadence: DiagPro+ at monthly against Prism's every 3 months. DiagPro+ also leads on iOS requirement (15.1 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DiagPro+ ships an update monthly, Prism every 3 months. Both last shipped on November 5, 2026.

Scorecard2 real differences · 4 level
DiagPro+ versus Prism: the parameters behind the verdict, then further details
ParameterDiagPro+Prism
PriceFreeFree
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better26.0
Further details — not scored
Size30 MB23 MB
Age rating4+12+
DeveloperFIELDS-IQ LLCKerem COLAK

In-app purchases

None

DiagPro+

No in-app purchases

None

Prism

No in-app purchases

Questions

Is DiagPro+ free?
DiagPro+ is free to download, with no in-app purchases.
Is Prism free?
Prism is free to download, with no in-app purchases.
Do DiagPro+ or Prism have ads?
Neither DiagPro+ nor Prism shows ads.
Which is updated more often, DiagPro+ or Prism?
DiagPro+ ships an update monthly, and Prism every 3 months. Most recently, DiagPro+ was updated on November 5, 2026 and Prism on November 5, 2026.

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