DR vs Nodes AI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
DR
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DR-SoundMeter turns your device into a professional-grade sound level meter. Measure ambient noise in decibels (dB) using your microphone and get instant feedback on whether sound levels are safe for your hearing. REAL-TIME SOUND MEASUREMENT - Accurate dB readings updated in real time - Visual gauge with clear noise level classification: Quiet, OK, Loud, or Harmful - Track minimum, maximum, and average dB levels during each session - Calibration offset to fine-tune readings for your specific device LIVE AUDIO CHART - Watch noise levels change over time on an interactive chart - Filter by time period: 1 minute, 10 minutes, 1 hour, or full session - Instantly spot noise spikes and patterns HEARING SAFETY & EXPOSURE CALCULATOR - Know exactly how long you can safely stay in a noisy environment - Supports both NIOSH and OSHA occupational exposure standards - Built-in exposure timer warns you before you reach unsafe limits - Detailed exposure limits table from 85 dB to 109 dB NOISE COMPARISON GUIDE - Compare your readings to 15 familiar sounds โ from a whisper (20 dB) to a jet engine (130 dB) - Easily understand what your dB reading actually means in everyday terms SAVE & MAP YOUR MEASUREMENTS - Save individual noise readings with timestamps and custom location names - Automatically capture GPS coordinates with each measurement - View all your saved measurements on an interactive noise map - Color-coded markers show noise levels across different locations SETTINGS & CUSTOMIZATION - Calibrate your microphone for more accurate results - Choose between Dark and Light themes - Select your preferred exposure standard (NIOSH or OSHA) PERFECT FOR - Musicians and concert-goers monitoring safe sound exposure - Workers in loud environments (construction, manufacturing, events) - Parents checking noise levels in nurseries and playrooms - Students and researchers conducting sound surveys - Anyone curious about the noise levels around them Download DR-SoundMeter now and start protecting your hearing! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Nodes AI
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Nodes is a visual AI creation tool for building image-generation workflows directly on iOS. Create node-based pipelines that turn simple ideas into generated images, edited designs, and creative outputs. Connect steps together, experiment with prompts, refine results, and build repeatable AI workflows from a clean, touch-first interface. Nodes is designed for creators who want more control than a single prompt box, without needing to manage complex desktop setups. Features include: Visual node-based AI workflows Prompt-to-image generation AI image editing workflows Modular pipeline-style creation Touch-friendly interface for iPhone and iPad Built for experimentation, iteration, and creative control Nodes is ideal for artists, designers, prototypers, and AI creators who want to explore workflow-based image generation on mobile.
Screenshots
Verdict
The clearest difference is ads: Nodes AI at none against DR's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. DR sells 1 one-off in-app purchase and Nodes AI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | DR | Nodes AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | โ |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 18.0 โ better |
| Further details โ not scored | ||
| Size | 55 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | DR-Online Sp. z o.o. | Nikolaos Psarakis |
In-app purchases
DR
- SoundMeter PRO$1.99
Nodes AI
- 500 Tokens$1.99
- 1000 Tokens$2.99
- 5000 Tokens$7.99








