# CT Grid vs Sphere Whiteboard

CT Grid and Sphere Whiteboard are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CT Grid ships an update every 2 weeks, Sphere Whiteboard fortnightly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CT Grid | Sphere Whiteboard |
| --- | --- | --- |
| 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 2 weeks** | Fortnightly |
| Monetization | Free | — |
| Size | 43 MB | 42 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Commodity Technologies Limited](https://appshunter.io/developer/1511953356) | [Sphere Innovations](https://appshunter.io/developer/1568741546) |

## What reviewers say

### 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


### Sphere Whiteboard

[App page](https://appshunter.io/ios/app/sphere-whiteboard/id6743793852)

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

**In-app purchases:** none


## Frequently asked questions

### Is CT Grid free?

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

### Is Sphere Whiteboard free?

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

### Do CT Grid or Sphere Whiteboard have ads?

Neither CT Grid nor Sphere Whiteboard shows ads.

### Which is updated more often, CT Grid or Sphere Whiteboard?

CT Grid ships an update every 2 weeks, and Sphere Whiteboard fortnightly. Most recently, CT Grid was updated on October 18, 2026 and Sphere Whiteboard on October 24, 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.*