The best iPhone apps for scientific calculators 2025

• The Expressions Calculator
• Panecal Scientific Calculator
• Free42
• +11

Best blood pressure apps for iPhone-2025

• Easy Blood Pressure Diary
• Welltory: Heart Rate Monitor
• Blood pressure app+
• +4

The best iPhone apps for spot the difference

• Spot the Difference: Find 5
• Differences - Find & Spot Them
• Find the Difference Plus HD
• +10

The best kamasutra apps for the iPhone and iPad

• 365 * 300+ Best sex positions
• 101 Positions of KamaSutra
• iKama - Sex Positions Guide
• +5

The best pinochle apps for iPhone and iPad

• Pinochle+
• Pinochle - Online & offline
• Pinochle

The best tooth fairy apps for iPhone

• Tooth Fairy Call & Text
• iCaughtTheToothFairy
• Tooth Fairy CAMERA
• +1