Calculator⁻ vs 安全教育支援
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator⁻
A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.
- Basic arithmetic operations
- Percentage calculations
- Record and recall results
- Customizable colors
- Touch sound option
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It is a simple and easy calculator. It is a simple calculator with no complex functions at all. Features: Addition, subtraction, multiplication, division, percent operation Recording and recalling calculation results The numbers, operators, parentheses, results Custom colors Use touch sound Very useful for school children
安全教育支援
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本アプリは車載カメラの内部ネットワークに接続することで、カメラの映像をRTSPで再生確認することができるアプリです。 カメラのキッティング時、画角の調整などをする際に利用します。
Screenshots
Verdict
The clearest difference is ads: 安全教育支援 at none against Calculator⁻'s shown. Calculator⁻'s advantage is update cadence (every 2 months vs every 5 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
Calculator⁻ ships an update every 2 months, 安全教育支援 every 5 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.
| Parameter | Calculator⁻ | 安全教育支援 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (3.6K ratings) — better | — |
| Positive reviews | 52.0% of reviews | — |
| Number of ratings | 3.6K — better | — |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 4 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | UniCom Technology | NEC Nexsolutions, Ltd. |
Bugs and requests
Calculator⁻
Reported bugs
3 issues- Decimal point problem: .5 becomes 5
- Button that should be 7 shows as 9 and gives 9 when used
- Percentage button does not work correctly
Requested features
3 requests- Backspace button
- Percentage button that works properly
- Arrange buttons in standard calculator layout
安全教育支援
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator⁻
No in-app purchases
安全教育支援
No in-app purchases
