# Curveseries vs CT Grid

The clearest difference is update cadence: CT Grid at fortnightly against Curveseries's every 5 months. Curveseries's advantage is iOS requirement (11.0 vs 15.6). 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.

Curveseries ships an update every 5 months, CT Grid fortnightly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Curveseries | CT Grid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ct-grid/id1511953357/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 7 MB | 43 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chang Ching Chng](https://appshunter.io/developer/1239780941) | [Commodity Technologies Limited](https://appshunter.io/developer/1511953356) |

## What reviewers say

### Curveseries

[App page](https://appshunter.io/ios/app/curveseries/id1239780942)

**Features:** macOS Compatibility

**In-app purchases:** none


### CT Grid

[App page](https://appshunter.io/ios/app/ct-grid/id1511953357)

This tool is designed for commodity trading and broking professionals, allowing them to access real-time updates and manage their forward curves on the go. It synchronizes with existing accounts and colleagues' spreadsheets, ensuring seamless communication and insight sharing.

**Highlights:** Real-time updates, Forward curve management, Synchronization with desk and colleagues, On-the-go access, Insight sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Curveseries free?

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

### Is CT Grid free?

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

### Do Curveseries or CT Grid have ads?

Neither Curveseries nor CT Grid shows ads.

### Which is updated more often, Curveseries or CT Grid?

Curveseries ships an update every 5 months, and CT Grid fortnightly. Most recently, Curveseries was updated on October 7, 2026 and CT Grid on October 2, 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.*