# harmonic signal vs a

The clearest difference is review sentiment: harmonic signal at 69% against a's 33%. harmonic signal also leads on in-app purchases (none vs 10) and rating (4.6 vs 4.2). a's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. a sells 10 in-app purchases, starting at $10.99 per 7 days. harmonic signal asks for nothing beyond the download.

harmonic signal holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: harmonic signal has 505 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 69% of harmonic signal's written reviews are positive against 33% of a's.

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 2, 2026.

## The numbers

| Metric | harmonic signal | a |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (505 ratings)](https://appshunter.io/ios/app/harmonic-signal/id1409391713/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/a-quant-trading-ideas/id1440479048/reviews) |
| Number of ratings | **505** | 5 |
| Positive reviews | **69.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 12 MB | 168 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sami Belakhal](https://appshunter.io/developer/1409391712) | [Thomas Papapolyzos](https://appshunter.io/developer/1440479047) |

## What reviewers say

### harmonic signal

[App page](https://appshunter.io/ios/app/harmonic-signal/id1409391713)

This app provides deep insights into harmonic chart patterns in financial markets. It helps users identify and validate patterns to make informed trading decisions, offering detailed information and visual support for each detected pattern.

**Highlights:** Identifies harmonic chart patterns, Supports 20+ specific patterns, Provides detailed pattern information, Includes visual chart screenshots, Offers signal details (timeframe, pair, price, TP/SL), Recommends trading actions

**In-app purchases:** none

**What reviewers like**

- 💰 Profitable trading signals for forex
- 🎯 Accurate signal generation and pattern recognition
- 🆓 Free app with valuable features
- 📊 Helpful technical analysis tools
- 🔔 Timely notifications and alerts

**What reviewers complain about**

- 🐛 App crashes and freezes frequently
- ❌ Signals not loading or missing
- ⏱️ Delays between notification and signal time
- 🚫 Subscription screen not functioning
- ❌ Inaccurate or unreliable signals

**Reported bugs**

- App crashes on launch
- Subscription window displays blank screen
- Signals not loading
- App freezes constantly
- No signals received for extended periods

**Requested features**

- Customizable alert time frames
- Support for stocks and futures trading
- Support for indices
- Additional currency pairs
- Timezone customization (CMT option)


### a

[App page](https://appshunter.io/ios/app/a-quant-trading-ideas/id1440479048)

This application leverages AI and machine learning algorithms to provide trading ideas and tools across various financial instruments. It offers real-time quotes, technical indicators, market news, and alerts to assist both novice and experienced traders.

**Highlights:** AI/ML trading algorithms, Support for currencies, futures, stocks, cryptos, Real-time quotes and performance, Proprietary technical indicators, Market news and economic calendar, Push notification alerts, Customer and technical support

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cryptos+Trade Ideas(One Week) | $10.99 | per 7 days |
| FX+Exec+Trade Ideas(One Week) | $13.49 | per 7 days |
| Cryptos+Trade Ideas(One Month) | $27.49 | per month |
| FX+Exec+Trade Ideas(One Month) | $36.99 | per month |
| IC+Exec+Trade Ideas(One Month) | $36.99 | per month |
| Stocks+Trade Ideas(One Month) | $45.99 | per month |
| All Included(One Month) | $81.99 | per month |
| IC+Exec+Ideas(Six Months) | $109.99 | per 6 months |
| All Included(One Month) | $134.99 | per month |
| All Included(Six Months) | $264.99 | per 6 months |


## Frequently asked questions

### Is harmonic signal free?

harmonic signal is free to download, with no in-app purchases.

### Is a free?

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

### Which has better reviews, harmonic signal or a?

harmonic signal is rated higher. harmonic signal averages 4.6 out of 5 from 505 ratings, while a averages 4.2 from 5 ratings.

### Do harmonic signal or a have ads?

harmonic signal shows ads; a does not.

### Which is updated more often, harmonic signal or a?

harmonic signal ships an update weekly, and a weekly. Most recently, harmonic signal was updated on November 2, 2026 and a on November 2, 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.*