# FX Diff Lt vs Robot Quant

The clearest difference is in-app purchases: FX Diff Lt at none against Robot Quant's 18. FX Diff Lt also leads on iOS requirement (8.1 vs 15.0). Robot Quant's advantage is update cadence (every 10 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Robot Quant sells 18 in-app purchases, starting at $11.99 per month. FX Diff Lt asks for nothing beyond the download.

FX Diff Lt ships an update every 7 months, Robot Quant every 10 days. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | FX Diff Lt | Robot Quant |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 14 MB | 6 MB |
| Requires iOS | **8.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Strelka Limited](https://appshunter.io/developer/959296102) | [LogeekSoft LLC](https://appshunter.io/developer/1139990078) |

## What reviewers say

### FX Diff Lt

[App page](https://appshunter.io/ios/app/fx-diff-lt-compare-forex/id1175195044)

Analyze currency pair behavior with simple graphs, including cryptocurrencies like Bitcoin and Ethereum. Understand relative growth, dynamics, and moving averages to identify trends, reduce trading risk, and avoid mutually exclusive trades.

**Highlights:** Currency pair behavior analysis, Cryptocurrency support (BTC, ETH), Relative growth graphs, Relative dynamics graphs, Moving average analysis, Trend identification

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

**In-app purchases:** none


### Robot Quant

[App page](https://appshunter.io/ios/app/robot-quant-we-buy-signals/id1639025795)

**Features:** macOS Compatibility

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quant 1 | $11.99 | per month |
| Quant 85 | $224.99 | per month |
| Quant 86 | $229.99 | per month |
| Quant 87 | $234.99 | per month |
| Quant 88 | $239.99 | per month |
| Bot v1 | $1.19 | one-time |
| RQLP Pass 1 | $10.00 | one-time |
| Bot v2 | $10.00 | one-time |
| RQLP Pass 2 | $20.00 | one-time |
| RQLP Pass 3 | $30.00 | one-time |
| RQLP Pass 4 | $40.00 | one-time |
| RQLP Pass 5 | $50.00 | one-time |
| Bot v3 | $50.00 | one-time |
| Bot v4 | $100.00 | one-time |
| Bot v5 | $200.00 | one-time |
| Bot v6 | $500.00 | one-time |
| Bot v7 | $749.99 | one-time |
| Bot v8 | $1000.00 | one-time |


## Frequently asked questions

### Is FX Diff Lt free?

FX Diff Lt is free to download, with no in-app purchases.

### Is Robot Quant free?

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

### Do FX Diff Lt or Robot Quant have ads?

Neither FX Diff Lt nor Robot Quant shows ads.

### Which is updated more often, FX Diff Lt or Robot Quant?

FX Diff Lt ships an update every 7 months, and Robot Quant every 10 days. Most recently, FX Diff Lt was updated on October 24, 2026 and Robot Quant on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*