JJY Simulator vs Simon Plug&Drive
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JJY Simulator
This utility app simulates standard radio waves used by Japanese radio-controlled clocks. It outputs a 13.3kHz audio signal to synchronize your clock, allowing you to manually set the time.
- Simulates JJY standard radio waves
- Outputs 13.3kHz audio signal
- Synchronizes radio-controlled clocks
- Uses 40kHz for time adjustment
- Requires earphone connection
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日本で市販されている電波時計をiPhoneで合わせるユーティリティです。 日本の電波時計の基準局(JJY)で使用される標準電波を模擬した信号を、13.3kHzの音声として出力し、3倍高調波(40kHz)を利用して時刻を合わせます。 1. イヤホンをiPhoneのイヤホンジャックに接続し、電波時計のすぐそばに置きます。 2. 音量を最大に設定します。 3. 「音声信号を出力」をオンにします。 4. 電波時計を強制受信モードにし、時刻が合うまで数分間待ちます。
Simon Plug&Drive
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Take control of your electric vehicle charging point with Simon Plug&Drive. Easily manage your Simon charger and optimise energy consumption. Simon Plug&Drive will always be there on your smartphone when you need it so that your vehicle is always ready. Connect and configure your charger: - Identify, activate and control your charging point using Bluetooth. - Save money by scheduling the hours with the most economical electricity rates in your calendar. - Modulates and defines the contracted power. - Charge your vehicle using the solar energy generated by your photovoltaic panels. - Locks the device so that only you can use it. Download the App and start enjoying the Simon Plug&Drive experience. For any questions: sat@simon.es
Screenshots
Verdict
The clearest difference is update cadence: Simon Plug&Drive at every 2 months against JJY Simulator's every 66 months. JJY Simulator's advantage is iOS requirement (8.0 vs 15.6). 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.
JJY Simulator ships an update every 66 months, Simon Plug&Drive every 2 months. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.
| Parameter | JJY Simulator | Simon Plug&Drive |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (19 ratings) — better | — |
| Positive reviews | 68.1% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 66 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | NeoCat | Simon |
In-app purchases
JJY Simulator
No in-app purchases
Simon Plug&Drive
No in-app purchases
Questions
Is JJY Simulator free?
Is Simon Plug&Drive free?
Do JJY Simulator or Simon Plug&Drive have ads?
Which is updated more often, JJY Simulator or Simon Plug&Drive?
Other comparisons
