Black Friday: Par is 60% off
60% off, November 26 – November 30, 2026. Back to $4.99 on December 1.
From Thursday, November 26 to Monday, November 30, 2026, Par, the RPN financial calculator for iPhone and iPad, costs $1.99 instead of $4.99 on the App Store in the US, and about the same discount in every other country. No code needed: the App Store shows the sale price.
How to get it
Buy Par on the App Store as usual. From November 26 to November 30 the App Store shows the sale price, so there's no code to enter. You pay once and keep it, with every update.
What you get
A full RPN financial calculator: time value of money, loans, mortgages, amortization, NPV, IRR, bonds, depreciation, dates, statistics and programs, with the stack always in sight. For iPhone and iPad.
Questions
Do I need a code?
No. From November 26 to November 30 the App Store shows the sale price, so you buy it as usual.
Is it a subscription?
No. You pay once and keep it, with every update. There's no account and no in-app purchase.
What about other countries?
The sale runs in every country where the app is sold. The App Store sets each country's sale price from the US one, rounded to that country's price steps, so the discount is about the same everywhere, a little smaller or larger in some countries.
What happens after November 30?
The price goes back to $4.99 on December 1. A purchase made during the sale is the same as any other, with the same updates.