Comparison

Sirius Trader vs Sphere Whiteboard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Voice markets reimagined

Free

💰 Finance

No ratingsView app →

About

Sirius Trader

Read full description

Sirius Trading Systems are market leaders in developing real-time trading systems. In partnership with RussellStone International (Pty) Ltd - (RSI) - users can trade agricultural futures themselves, directly on SAFEX using Sirius Trader. Users must be a client of RSI in order to access market data and have direct market access. RussellStone International (Pty) Ltd is a registered broker on the Johannesburg Stock Exchange.

About

Sphere Whiteboard

Features

Read full description

Giving institutional traders unparalleled market views they can act on. Sphere merges actionable screen trading with live voice and IM prices from your brokers in one holistic app.

Screenshots

Sirius Trader4 screens

Sphere Whiteboard3 screens

Verdict

The call

The clearest difference is iOS requirement: Sirius Trader at 12.4 against Sphere Whiteboard's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Sirius Trader ships an update monthly, Sphere Whiteboard fortnightly. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 5 level

Sirius Trader versus Sphere Whiteboard: the parameters behind the verdict, then further details
Parameter	Sirius Trader	Sphere Whiteboard
Price	Free	Free
Update frequency	Monthly	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.4 — better	15.1
Further details — not scored
Size	15 MB	42 MB
Age rating	4+	4+
Developer	NANOVANTAGE (PTY) LTD	Sphere Innovations

In-app purchases

None

Sirius Trader

No in-app purchases

None

Sphere Whiteboard

No in-app purchases

Questions

Is Sirius Trader free?

Sirius Trader 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 Sirius Trader or Sphere Whiteboard have ads?

Neither Sirius Trader nor Sphere Whiteboard shows ads.

Which is updated more often, Sirius Trader or Sphere Whiteboard?

Sirius Trader ships an update monthly, and Sphere Whiteboard fortnightly. Most recently, Sirius Trader was updated on October 3, 2026 and Sphere Whiteboard on October 24, 2026.