Comparison

CalcFlex vs Tip Calculator SDG

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

Head to head

CalcFlex

Flexible Calculator for All

Easy Tip Calculator

About

CalcFlex

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Discover CalcFlex: Flexible, Free and Ad-Free Calculator App! Unlock the full potential of your calculations with CalcFlex, the flexible calculator app designed to cater to all your needs. Whether you're dealing with complex equations, unit conversions, financial calculations, or scientific formulas, CalcFlex has got you covered. Key Features: Multiple Calculators in Parallel: Seamlessly switch between different calculators for efficiency. Built-in Tools: Access unit converters, finance calculators, math and physics equations all in one app. Custom Equations: Create, save, and reuse your own equations with specific variables tailored to your needs. User-Friendly Design: Start with the familiar calculator layout, free to customize based on preference. Completely Free: No ads, no hidden fees, just pure calculating power. Download CalcFlex now and experience the freedom of a truly flexible and comprehensive calculator app!

About

Tip Calculator SDG

Features

Read full description

Our tip calculator helps you quickly calculate the perfect tip, easily split the bill among friends, and ensure everyone pays their fair share.

Screenshots

CalcFlex4 screens

Tip Calculator SDG4 screens

Verdict

The call

The clearest difference is in-app purchases: Tip Calculator SDG at none against CalcFlex's 6. Tip Calculator SDG also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). CalcFlex's advantage is ads (none vs shown) and update cadence (every 9 days vs every 12 months). On price 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. CalcFlex sells 3 one-off in-app purchases. Tip Calculator SDG asks for nothing beyond the download.

UpkeepUpdate frequency

CalcFlex ships an update every 9 days, Tip Calculator SDG every 12 months. Both last shipped on October 25, 2026.

Scorecard5 real differences · 1 level

CalcFlex versus Tip Calculator SDG: the parameters behind the verdict, then further details
Parameter	CalcFlex	Tip Calculator SDG
Price	Free	Free
Update frequency	Every 9 days — better	Every 12 months
Ads	No — better	Yes
In-app purchases	Yes	No — better
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	17.0	11.0 — better
Further details — not scored
Size	2 MB	12 MB
Age rating	4+	4+
Developer	Daniel Chiu Loong Ng	SDG CODE DOO NIS

In-app purchases

3 purchases

CalcFlex

One-time3

+3 New Variables2 variants$1.99
+20 New Equation Slots2 variants$1.99
+1 New Calculator2 variants$3.99

None

Tip Calculator SDG

No in-app purchases

Questions

Is CalcFlex free?

CalcFlex is free to download, with in-app purchases available.

Is Tip Calculator SDG free?

Tip Calculator SDG is free to download, with no in-app purchases.

Do CalcFlex or Tip Calculator SDG have ads?

Tip Calculator SDG shows ads; CalcFlex does not.

Which is updated more often, CalcFlex or Tip Calculator SDG?

CalcFlex ships an update every 9 days, and Tip Calculator SDG every 12 months. Most recently, CalcFlex was updated on October 25, 2026 and Tip Calculator SDG on October 25, 2026.