Keisan Memo vs Countick
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keisan Memo
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Stop bouncing between a calculator and your notes. Keisan Memo is a text calculator. Write “lunch 1,200 × 3” in a note and “3,600” appears at the end of the line as you type. Edit the numbers and every result updates. - NATURAL WRITING: labels and math share the same line. - JAPANESE-NATIVE: supports Japanese numerals, consumption tax phrases, and percentage discounts. - TOTALS & VARIABLES: write 合計 to sum previous lines or define reusable values. - UNIT CONVERSION: convert length, weight, and time inline. - EXACT DECIMAL MATH: 0.1 + 0.2 is exactly 0.3. - FREE AND UNLIMITED: notes, lines, templates, and text/CSV export have no paywall. - ON-DEVICE NOTES: calculations and note storage stay on the device. Note contents are not sent to the advertising provider. The free app displays one adaptive banner at the bottom. A ¥100 / $0.99 non-consumable purchase permanently removes the banner. It is a one-time purchase with no subscription and no automatic renewal. Ad delivery uses Google AdMob and an internet connection; advertising identifier use follows your iOS tracking permission. Note: results are estimates for personal memos and are not accounting, tax, or legal advice.
Countick
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Countick is a counter app that lets you start counting with a single tap. When you need to track more than one thing, you never have to switch screens. Each card on the home screen is itself a button—just tap to add to that counter. It shines when you want to count two or more things at the same time, such as made and missed shots, or items in and out of stock. ■ Tap cards to count side by side Counters on the home screen increase when you tap the card directly. With no screen transitions, your eyes and fingers stay on the count. Each card shows the current total and progress toward your goal. ■ Full-screen mode for hands-free counting A mode turns the entire screen into a “+” button. During a game or on the job, wherever your finger lands becomes a count. The screen stays awake in this mode, so counting is never interrupted by sleep. ■ Your counts become a lasting record Every count is saved with a timestamp. On the history screen you can see a 14-day trend graph, and you can export records as CSV to share. Counting is not the end—use the data later for reports and review. ■ Fit the way you count • Choose an increment of 1, 5, 10, or a custom value per tap • Set a goal and get a celebration when you reach it • Name and color each counter, and reorder freely • Undo reverses only the last tap if you miss ■ Great for • Sports: shots, rallies, points, laps • Work and the field: inventory, stocktake, admissions, inspection, vehicles passing • Hobbies and daily life: knitting rows, practice swings, pages read, visits counted ■ Built for peace of mind • No camera, notification, or other permissions required • Your counter data stays on your device—no account needed • Works offline • Nine languages including English; optimized for iPhone and iPad For every moment you cannot afford to lose the count. Try Countick.
Screenshots
Verdict
The clearest difference is in-app purchases: Countick at none against Keisan Memo's 1. On price, ads, device support and iOS requirement 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. Keisan Memo sells 1 one-off in-app purchase. Countick asks for nothing beyond the download.
| Parameter | Keisan Memo | Countick |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | 丽佳 施 | Daisuke Minami |
In-app purchases
Keisan Memo
- Remove Ads (Lifetime)$0.99
Countick
No in-app purchases









