# Numichart Orderflow vs Order Book Trainer

The clearest difference is in-app purchases: Numichart Orderflow at none against Order Book Trainer's 2. Numichart Orderflow also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). Order Book Trainer's advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Order Book Trainer sells 2 in-app purchases, starting at $1.99 per month. Numichart Orderflow asks for nothing beyond the download.

Numichart Orderflow ships an update every 2 days, Order Book Trainer every 3 weeks. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Numichart Orderflow | Order Book Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/numichart-orderflow/id6769081038/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 8 MB | 42 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Numan Thabit](https://appshunter.io/developer/1707446858) | [Syncly Applications](https://appshunter.io/developer/1437712077) |

## What reviewers say

### Numichart Orderflow

[App page](https://appshunter.io/ios/app/numichart-orderflow/id6769081038)

This real-time market app visualizes executed trade data into low-latency volume profiles, price ladders, and numiprint charts. Track buy and sell volume by price level and monitor one-minute activity. It offers a Picture in Picture mode for multitasking without requiring an account or placing trades.

**Highlights:** Real-time executed data streams, Low-latency volume profile, Price ladder view, Numiprint chart, Numitape view, Picture in Picture mode

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

**In-app purchases:** none


### Order Book Trainer

[App page](https://appshunter.io/ios/app/order-book-trainer-level-2/id6785885996)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Pro – Monthly | $1.99 | per month |
| Ad-Free Pro – Yearly | $15.99 | per year |


## Frequently asked questions

### Is Numichart Orderflow free?

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

### Is Order Book Trainer free?

Order Book Trainer is free to download, with in-app purchases available.

### Do Numichart Orderflow or Order Book Trainer have ads?

Order Book Trainer shows ads; Numichart Orderflow does not.

### Which is updated more often, Numichart Orderflow or Order Book Trainer?

Numichart Orderflow ships an update every 2 days, and Order Book Trainer every 3 weeks. Most recently, Numichart Orderflow was updated on September 11, 2026 and Order Book Trainer on September 19, 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.*