# TrendSpider vs Backtest Trading

The clearest difference is in-app purchases: TrendSpider at none against Backtest Trading's 4. TrendSpider also leads on iOS requirement (15.1 vs 17). Backtest Trading's advantage is update cadence (every 3 days vs every 5 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Backtest Trading sells 4 in-app purchases, starting at $9.99 per month. TrendSpider asks for nothing beyond the download.

TrendSpider ships an update every 5 weeks, Backtest Trading every 3 days. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | TrendSpider | Backtest Trading |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (345 ratings)](https://appshunter.io/ios/app/trendspider/id1564875289/reviews)** | — |
| Number of ratings | **345** | — |
| Positive reviews | 52.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 18 MB | 30 MB |
| Requires iOS | **15.1** | 17 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TrendSpider LLC](https://appshunter.io/developer/1556203158) | [Dat Thanh Nguyen](https://appshunter.io/developer/1481241176) |

## What reviewers say

### TrendSpider

[App page](https://appshunter.io/ios/app/trendspider/id1564875289)

Access professional trading and market research tools directly from your mobile device. This app provides advanced market analysis, real-time trading alerts, and unique alternative data to help you stay informed and ahead in financial markets.

**Highlights:** Professional-grade trading platform, Advanced market research, Real-time trading alerts, Unique alternative data, On-the-go access

**In-app purchases:** none

**What reviewers like**

- 🚀 Amazing app
- 👍 Easy to use
- 🔍 Great analysis tools
- 🔍 Powerful charting and scanning
- 🔍 Robust set of features

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 🐛 Slow data loading and refreshing
- 🔋 Poor mobile app performance
- 🔒 Security concerns with web access
- 🔧 Limited mobile functionality

**Reported bugs**

- Charts fail to load consistently
- Indicators not syncing between web and app
- Inability to create/manage watchlists on mobile
- Frequent app crashes and freezes
- Unresponsive touch controls and gestures

**Requested features**

- Add landscape mode support
- Improve mobile drawing tools
- Introduce mobile alerts and notifications
- Optimize app for tablet devices
- Enhance mobile scanning capabilities


### Backtest Trading

[App page](https://appshunter.io/ios/app/backtest-trading/id6783314365)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StopTrading Pro | $9.99 | per month |
| StopTrading Power | $29.99 | per month |
| StopTrading Pro Annual | $79.99 | per year |
| StopTrading Power Annual | $239.99 | per year |


## Frequently asked questions

### Is TrendSpider free?

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

### Is Backtest Trading free?

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

### Do TrendSpider or Backtest Trading have ads?

Neither TrendSpider nor Backtest Trading shows ads.

### Which is updated more often, TrendSpider or Backtest Trading?

TrendSpider ships an update every 5 weeks, and Backtest Trading every 3 days. Most recently, TrendSpider was updated on October 13, 2026 and Backtest Trading on October 17, 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.*