Comparison

Inseries vs Retirement Estimator

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

Head to head
About

Inseries

Features
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The smart, modern, and elegant calculator app - optimized for multi-touch * Easy, logical entering of calculations and clear history of previous results * Built-in calendar functions (e.g., number of days between two dates) * Naturally adding and subtracting percentages (e.g., 99+20% taxes or 79-30% discount) * Gesture support for fast access to previous results and memory Inseries is the slightly different professional calculator app that allows you to naturally enter calculations and clearly browse your previous results. Simply type in "100+20%" to add taxes, or "100-30%" to easily calculate a discount. Inseries even shows you "pi" as a real constant instead of just a number. Inseries' clear user interface is designed for multitouch allowing us to come by with a small and simple keypad based on the clear keypad layouts of typical financial and business calculators. By using choosers for quickly accessing functions and constants we could bring in scientific calculator functionality without sacrificing usability. Intelligent professional calculator * Fast access to common, date, and scientific functions and constants * Natural adding and subtracting of percentages * Quick-sum function for fast adding of multiple numbers * Real random value generator for rand() function Simple and clear user interface * Easily enter calculations in a spreadsheet-like way * Copy results and paste support for calculation field * Fast switching between all, 2, and 4 fraction digits * Swipe-gestures for storing, recalling and clearing memory Persistent calculation and result history * Built-in database for previous calculations and results * Back-functionality for going back to previous calculation * Persistent settings, e.g., for fraction digits mode * Variable-style access to memory ("M") and result ("R")

About

Retirement Estimator

Simulate and visualize personal financial scenarios for retirement planning. Experiment with income, investments, and expenses to understand future financial outcomes with privacy and precision. Generate visual charts and export data for detailed analysis.

Highlights
  • Simulate financial scenarios
  • Estimate income, investments, and expenses
  • Strategic fund allocation
  • Visualize future financial trends
  • Generate CSV reports
  • Local data storage
  • Password and biometric authentication
Features
Read full description

Retirement Estimator is your personal pocket financial assistant for simulating and visualizing financial scenarios days to decades into the future. EXPLORE YOUR RETIREMENT POSSIBILITIES Model any combination of income streams, investments, and expenses with full control over monetary value, taxes, anticipated growth rate, and time horizon. Simulate transfers between income, investments, and expenses to explore "what if" scenarios. Run Monte Carlo simulations to model a range of possible financial outcomes and estimate the probability that your retirement plan succeeds. Then experiment by adjusting income sources, investments, and expenses to see how each decision shapes your projected results. VISUALIZE YOUR FINANCIAL FUTURE • Track income, investments, and expenses with clear, color-coded line graphs • Estimate your Probability of Success with Monte Carlo simulation • Export detailed CSV reports to Excel, Numbers, or any spreadsheet app • Simulate fund transfers between income, investments, and expenses • Model scenarios from days to decades into the future PRIVACY FIRST. ALL DATA STAYS ON YOUR DEVICE Everything you enter is stored locally on your device and is never transmitted to ITDT LLC or any third party. No account required. SECURE ACCESS Protect your financial data with Face ID, Touch ID, or a PIN.

Screenshots

Inseries4 screens
Retirement Estimator4 screens

Verdict

The call

The clearest difference is in-app purchases: Inseries at none against Retirement Estimator's 4. Retirement Estimator's advantage is update cadence (monthly vs every 6 months) and device support (3 vs 1). On price and ads 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. Retirement Estimator sells 4 one-off in-app purchases. Inseries asks for nothing beyond the download.

UpkeepUpdate frequency

Inseries ships an update every 6 months, Retirement Estimator monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Inseries versus Retirement Estimator: the parameters behind the verdict, then further details
ParameterInseriesRetirement Estimator
PriceFreeFree
Rating—4.5 (11 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—11 — better
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size10 MB10 MB
Age rating4+4+
DeveloperElemental Tools GmbHITDT LLC

In-app purchases

None

Inseries

No in-app purchases

4 purchases

Retirement Estimator

One-time4
  • Unlimited Finance Entry$1.99
  • CSV Reports$1.99
  • Import/Export Data$1.99
Show 1 more
  • Premium Package$4.99

Questions

Is Inseries free?
Inseries is free to download, with no in-app purchases.
Is Retirement Estimator free?
Retirement Estimator is free to download, with in-app purchases available.
Do Inseries or Retirement Estimator have ads?
Neither Inseries nor Retirement Estimator shows ads.
Which is updated more often, Inseries or Retirement Estimator?
Inseries ships an update every 6 months, and Retirement Estimator monthly. Most recently, Inseries was updated on November 1, 2026 and Retirement Estimator on November 2, 2026.

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