SmartMemo vs SoundLevel Pro
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
SmartMemo
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SmartMemo redefines how you capture tasks. Powered by on-device AI, it lets you create TODO items the way that feels most natural ā type, speak, or snap a photo. KEY FEATURES: VOICE INPUT ⢠Real-time speech-to-text using Apple Speech framework ⢠Simply tap the mic and speak your task ā it's transcribed instantly ⢠Works in Chinese and English PHOTO RECOGNITION ⢠Point your camera at a whiteboard, sticky note, or any text ⢠Apple Vision OCR extracts text in under 2 seconds ⢠MiniCPM-V on-device multimodal AI analyzes the image and suggests a smart TODO description ON-DEVICE AI ā 100% PRIVATE ⢠Powered by llama.cpp with Metal GPU acceleration ⢠MiniCPM-V runs entirely on your device ā no cloud, no servers, no data leakage ⢠Streaming token output so you see the AI thinking in real time SMART TODO LIST ⢠Color-coded tags: Work, Life, Study, Other ⢠Swipe to delete, tap to complete ⢠Real-time search filtering ⢠Creation source badges (text / voice / photo) PRIVACY FIRST ⢠All AI inference happens locally on your device ⢠No account required, no ads, no tracking Perfect for students, professionals, and anyone who values both productivity and privacy.
SoundLevel Pro
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SoundLevel Pro turns your phone into a real-time decibel (dB) sound level meter. Point it at whatever you want to measure and watch the loudness around you on a big, color-coded gauge. MEASURE IN REAL TIME ⢠Large analog-style meter with a live dB number ⢠Color zones at a glance: green (quiet), amber (moderate), orange (loud), red (dangerous) ⢠Peak, average and minimum readings ⢠Live scrolling chart of recent readings NOISE ALERT ⢠Set a threshold (e.g. 85 dB) and get a visual + haptic warning when it is exceeded ⢠Great for a baby's bedroom, an office, a workshop or your neighborhood HISTORY ⢠Stop a measurement to save its summary (peak / average / min and duration) ⢠Browse and manage past sessions anytime dB REFERENCE GUIDE ⢠A handy table of everyday sound levels ā whisper, conversation, traffic, concert and more MADE FOR EVERYONE ⢠Light & dark themes with multiple accent colors ⢠English and Japanese ⢠Calibration offset to match a reference meter ⢠Keep the screen on while measuring PRIVACY FIRST ⢠Works fully offline. The microphone is used only to measure loudness ā audio is never recorded, saved or sent anywhere. No account, no cloud, no tracking. Note: readings are approximate and depend on your device's microphone. SoundLevel Pro is intended for general awareness, not for professional or regulatory measurements. Free, supported by ads.
Screenshots
Verdict
SmartMemo and SoundLevel Pro are too close to call on the numbers: across 5 compared parameters ā price, ads, in-app purchases and device support among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SmartMemo | SoundLevel Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 400 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | ę é | Yuki Okawa |
In-app purchases
SmartMemo
No in-app purchases
SoundLevel Pro
No in-app purchases









