# Signals Generator vs 睿丰德蓝牙RFID读写器

The clearest difference is in-app purchases: 睿丰德蓝牙RFID读写器 at none against Signals Generator's 14. 睿丰德蓝牙RFID读写器 also leads on update cadence (weekly vs every 33 months) and iOS requirement (10.0 vs 15.6). Signals Generator's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Signals Generator sells 14 one-off in-app purchases. 睿丰德蓝牙RFID读写器 asks for nothing beyond the download.

Signals Generator ships an update every 33 months, 睿丰德蓝牙RFID读写器 weekly. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Signals Generator | 睿丰德蓝牙RFID读写器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/signals-generator/id1526653387/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 33 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 35 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [怀卫 张](https://appshunter.io/developer/1252544375) | [Guangzhou ruifengde Information Technology Co., Ltd](https://appshunter.io/developer/1554975194) |

## What reviewers say

### Signals Generator

[App page](https://appshunter.io/ios/app/signals-generator/id1526653387)

Transform your mobile device into a dual-channel signal generator for sound and audio electric signals. Offers a wide variety of waveform types and customizable parameters like amplitude, frequency, and phase. Ideal for professionals and hobbyists for signal generation and circuit measurement.

**Highlights:** Dual-channel signal generation, Multiple waveform types, Adjustable amplitude, frequency, and phase, Independent channel control, Zoomable waveform display, Interface color selection

**Features:** Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sine Wave | $0.99 | one-time |
| Square Wave | $0.99 | one-time |
| Gaussian Noise | $0.99 | one-time |
| Uniformly distributed noise | $0.99 | one-time |
| Pink Noise | $0.99 | one-time |
| Red (brown) noise | $0.99 | one-time |
| Maximum Length Sequence | $0.99 | one-time |
| Rayleigh Noise | $0.99 | one-time |
| Sawtooth Wave | $0.99 | one-time |
| Gamma Noise | $0.99 | one-time |
| Functional Wave | $2.99 | one-time |
| Sweep Signal | $2.99 | one-time |
| All Noise Signals | $3.99 | one-time |
| All type of signals | $7.99 | one-time |


### 睿丰德蓝牙RFID读写器

[App page](https://appshunter.io/ios/app/rfid/id1559037029)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Signals Generator free?

Signals Generator is free to download, with in-app purchases available.

### Is 睿丰德蓝牙RFID读写器 free?

睿丰德蓝牙RFID读写器 is free to download, with no in-app purchases.

### Do Signals Generator or 睿丰德蓝牙RFID读写器 have ads?

Neither Signals Generator nor 睿丰德蓝牙RFID读写器 shows ads.

### Which is updated more often, Signals Generator or 睿丰德蓝牙RFID读写器?

Signals Generator ships an update every 33 months, and 睿丰德蓝牙RFID读写器 weekly. Most recently, Signals Generator was updated on September 20, 2026 and 睿丰德蓝牙RFID读写器 on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*