年齢・計算 vs addition calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
年齢・計算
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生年月日から今の年齢を計算するアプリです。 計算結果には以下の項目が含まれます。 年齢 生まれ年（西暦） 生まれ年（和暦） 干支（えと） 星座
addition calc
This calculator app clearly displays inputs and sums on separate rows for easy understanding. Perform basic arithmetic operations with large, accessible buttons. Customize decimal places and rounding for precise calculations.
- Separate input and sum display
- Large buttons for easy input
- Supports four input operations
- Customizable decimal places
- Adjustable rounding settings
- Optional vibration feedback
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The input (lower row) and the sum (upper row) are separated, so you can always understand the answer. How to use is simple, just enter the numbers and press the add button. Four input operations can be performed on the input (lower row), and the results can be added. You can set the total number of decimal places and rounding. You can also activate the vibrator when you touch the iPhone.
Screenshots
Verdict
The clearest difference is review sentiment: addition calc at 100% against 年齢・計算's 0%. addition calc also leads on ads (none vs shown) and update cadence (monthly vs every 10 months). On price, 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.
年齢・計算 ships an update every 10 months, addition calc monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | 年齢・計算 | addition calc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 10 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideshi Otsuru | Shozo Obayashi |
Customer experience
年齢・計算
addition calc
In-app purchases
年齢・計算
No in-app purchases
addition calc
No in-app purchases
