Comparison

SAA vs DrPhos Science Calculator

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

Head to head
About

SAA

Features
Read full description

PASS YOUR AWS SOLUTIONS ARCHITECT - ASSOCIATE EXAM 500+ practice questions 5-minute study sessions Track progress & daily streaks 94% first-attempt pass rate WHY GET CERTIFIED? Certified Solutions Architect professionals earn up to $203K annually (Skillsoft 2024). Cloud architecture jobs growing 15%+ faster than average. WHAT YOU'LL MASTER: Design secure architectures and access controls Build resilient and fault-tolerant solutions Create high-performing scalable systems Optimize costs and resource efficiency AWS Well-Architected Framework best practices STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into career growth. Download now. Pass your exam. Boost your salary.

About

DrPhos Science Calculator

This scientific calculator app is designed for high school and college students, as well as everyday science tasks. It offers precise control over significant figures and displays results in both normal and scientific formats. The interface is user-friendly with clear controls and helpful error messages, supporting offline use on iPhone and iPad.

Highlights
  • Standard arithmetic and chained calculations
  • Scientific-notation and exponent entry
  • Adjustable significant-figure formatting
  • Normal and scientific result displays
  • Clear error handling
  • Offline operation
  • iPhone and iPad support
Features
Read full description

DrPhos Science Calculator is a focused scientific calculator for iPhone and iPad, designed for high school, college, and everyday science work. Enter decimal values or scientific notation, control significant-figure formatting, and view results in both normal and scientific displays. Clear controls, accessible labels, restrained native haptics, and helpful error messages make calculations easier to enter and review. Features include: • Standard arithmetic and chained calculations • Scientific-notation and exponent entry • Adjustable significant-figure formatting • Normal and scientific result displays • Clear handling of incomplete entries and invalid operations • Accessible calculator controls • Restrained native haptic feedback • Full offline operation • Support for iPhone and iPad A separate, user-opened More Chemistry Tools screen provides an optional link to DrPhos Chemistry Pro for those who need additional chemistry tools.

Screenshots

SAA3 screens
DrPhos Science Calculator2 screens

Verdict

The call

The clearest difference is in-app purchases: SAA at none against DrPhos Science Calculator's 10. SAA also leads on iOS requirement (15.0 vs 18.5). DrPhos Science Calculator's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support 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. DrPhos Science Calculator sells 10 one-off in-app purchases. SAA asks for nothing beyond the download.

UpkeepUpdate frequency

SAA ships an update every 2 months, DrPhos Science Calculator every 3 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
SAA versus DrPhos Science Calculator: the parameters behind the verdict, then further details
ParameterSAADrPhos Science Calculator
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.5
Further details — not scored
Size27 MB11 MB
Age rating4+4+
DeveloperDavy RaittMonte L Helm

In-app purchases

None

SAA

No in-app purchases

10 purchases

DrPhos Science Calculator

One-time10
  • Quadratic Equation Solver$0.99
  • Solution Concentrations$0.99
  • Molar Mass Calculator$0.99
Show 7 more
  • Ionic Compound Builder$0.99
  • Reaction Balancer$0.99
  • Naming Compounds$0.99
  • pH Calculator$0.99
  • Stoichiometry$0.99
  • Kinetics$0.99
  • Significant Figures Counter$0.99

Questions

Is SAA free?
SAA is free to download, with no in-app purchases.
Is DrPhos Science Calculator free?
DrPhos Science Calculator is free to download, with in-app purchases available.
Do SAA or DrPhos Science Calculator have ads?
Neither SAA nor DrPhos Science Calculator shows ads.
Which is updated more often, SAA or DrPhos Science Calculator?
SAA ships an update every 2 months, and DrPhos Science Calculator every 3 weeks. Most recently, SAA was updated on October 28, 2026 and DrPhos Science Calculator on November 5, 2026.

Other comparisons