Timecon vs CalcMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timecon
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This app allows easy conversion of time units from nanoseconds to centuries. It supports seconds, minutes, hours, days, weeks, months, years, as well as milliseconds, microseconds, and nanoseconds. It also covers larger units like decades and centuries. Instantly calculate complex time conversions with ease. Designed for intuitive use, making it suitable for both beginners and professionals.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: CalcMemo at none against Timecon's 2. CalcMemo also leads on ads (none vs shown) and update cadence (weekly vs every 12 months). Timecon's advantage is iOS requirement (13.0 vs 15.1). On price 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. Timecon sells 2 in-app purchases, starting at $4.99 per month. CalcMemo asks for nothing beyond the download.
Timecon ships an update every 12 months, CalcMemo weekly. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.
| Parameter | Timecon | CalcMemo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 28 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | kota tada | Tomoyuki Fukuzawa |
In-app purchases
Timecon
- Ad-free for 1 month7 Days trial$4.991 Month
- Ad-free for 1 year14 Days trial$49.991 Year
CalcMemo
No in-app purchases









