CalcMemo vs AboutMyDevice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalcMemo
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A new style calculator that saves results to your notes. ■ Calculations & Memos in One Note Results auto-save to your note. Add memos between calculations to keep track of your thought process. Never forget what a calculation was for. ■ Text Styling 5 styles — title, heading, subheading, body, and bold — to create clear, well-organized notes. ■ Organize Like Apple Notes Folders, pinning, date grouping, reordering, and moving notes between folders. ■ Built-in Financial Tools ・Loan calculator (with residual value) ・Compound interest ・Profit margin & discount ・Bill splitting (with rounding) ・Tax calculator (8%/10%) ・Date calculator ・Unit conversion (length, weight, temperature) Save results to your note with one tap. ■ Select & Copy Select multiple entries and copy them all to the clipboard at once. Easy paste into other apps. ■ Optimized for iPad 3-column layout with folders, notes, and calculator all on one screen. ■ Privacy First All data stored on device only. No ads, no account, no internet required. Fully offline. ■ Backup & Restore Export/import via JSON for easy device migration.
AboutMyDevice
Get detailed hardware information about your iPhone and iPad, including SOC, network, system, battery, and display specs. Benchmark your device's performance and compare scores with other users. The app prioritizes speed and privacy, with all data processed on-device.
- Detailed hardware specifications
- SOC performance benchmarking
- Network speed test
- System and battery status
- Display details
- Customizable section order
- On-device data processing
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AboutMyDevice shows you exactly what's inside your iPhone and iPad — clearly, instantly, and privately. Plus, benchmark your iPhone and iPad System on a Chip (SoC) single-core and multi-core scores for cross-platform comparison with other AboutMyDevice users. Tap into five sections to see the specs that actually matter, pulled live from your device: • SOC — chip architecture, processor cores, active CPUs, clock speed, cache, and supported instruction sets • Network — interfaces, IPv4 and IPv6 addresses, hostname, plus a built-in speed test for latency, download, and upload • System — iOS version, kernel details, locale, time zone, memory, and storage usage • Battery — charge level, charging state, and Low Power Mode status • Display — logical and physical resolution, pixel ratio, orientation, and light/dark appearance DESIGNED TO BE FAST • Swipe left or right to move between sections, or tap to jump straight to one • Reorder the sections to put what you care about first — your layout is remembered next launch • Copy any section to the clipboard with a single tap • Refresh anytime to re-read live values • Built-in light and dark mode PRIVATE BY DESIGN Information does not leave this device. There are no accounts, no tracking, and no data collection. Everything is read on-device and stays there. Whether you're checking specs before a sale, troubleshooting, comparing devices, or just curious about your hardware, AboutMyDevice gives you the full picture in seconds.
Screenshots
Verdict
The clearest difference is update cadence: AboutMyDevice at every 2 days against CalcMemo's weekly. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CalcMemo ships an update weekly, AboutMyDevice every 2 days. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.
| Parameter | CalcMemo | AboutMyDevice |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Weekly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomoyuki Fukuzawa | Ritwik Takkar |
In-app purchases
CalcMemo
No in-app purchases
AboutMyDevice
No in-app purchases









