# TradingBlock vs Flow Voice

The clearest difference is update cadence: Flow Voice at every 5 days against TradingBlock's every 2 months. TradingBlock's advantage is iOS requirement (13.4 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TradingBlock ships an update every 2 months, Flow Voice every 5 days. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | TradingBlock | Flow Voice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 52 MB | 34 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TradingBlock](https://appshunter.io/developer/953418908) | [QuantSignals, Inc.](https://appshunter.io/developer/1543121585) |

## What reviewers say

### TradingBlock

[App page](https://appshunter.io/ios/app/tradingblock/id1608325367)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Flow Voice

[App page](https://appshunter.io/ios/app/flow-voice-options-tape/id6791445221)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TradingBlock free?

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

### Is Flow Voice free?

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

### Do TradingBlock or Flow Voice have ads?

Neither TradingBlock nor Flow Voice shows ads.

### Which is updated more often, TradingBlock or Flow Voice?

TradingBlock ships an update every 2 months, and Flow Voice every 5 days. Most recently, TradingBlock was updated on October 27, 2026 and Flow Voice on October 29, 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.*