# IFAI vs Order Book Trainer

The clearest difference is in-app purchases: IFAI at none against Order Book Trainer's 2. IFAI also leads on ads (none vs shown). Order Book Trainer's advantage is update cadence (fortnightly vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

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

IFAI ships an update every 6 weeks, Order Book Trainer fortnightly. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | IFAI | Order Book Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/order-book-trainer-level-2/id6785885996/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 61 MB | 80 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nicosphere](https://appshunter.io/developer/1893501713) | [Syncly Applications](https://appshunter.io/developer/1437712077) |

## What reviewers say

### IFAI

[App page](https://appshunter.io/ios/app/ifai-ai/id6764511534)

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

**In-app purchases:** none


### Order Book Trainer

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

This simulator trains users to interpret financial market data like order books and time & sales tapes. It offers various market styles, difficulty levels, and includes a new module for reading earnings reports. Practice trading skills safely without real money.

**Highlights:** Order book (DOM) simulation, Time and sales tape analysis, Earnings report reading module, Multiple market styles (Tokyo, Global), Adjustable difficulty levels (Beginner to Pro), Progress tracking and session history, Customizable themes and languages

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 IFAI free?

IFAI 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 IFAI or Order Book Trainer have ads?

Order Book Trainer shows ads; IFAI does not.

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

IFAI ships an update every 6 weeks, and Order Book Trainer fortnightly. Most recently, IFAI was updated on November 5, 2026 and Order Book Trainer on November 13, 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.*