Comparison

CalcMemo929 vs Retro Calc

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

Head to head
About

CalcMemo929

This app combines a simple calculator with note-taking capabilities, allowing users to solve math problems and save calculation processes as memos for easy reference. Its user-friendly interface and clear display enhance the learning and work experience.

Highlights
  • Intuitive user interface
  • Clear display of calculations
  • Save calculations as memos
  • Full-screen number display in landscape
  • Supports learning and work tasks
Features
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CalcMemo: Integrating Simple Calculations and Memos Innovatively CalcMemo is designed to make your calculations intuitive and efficient. By seamlessly integrating calculations with note-taking, CalcMemo aids users in solving mathematical problems and enriching their learning experience. With CalcMemo, take your calculating experience to the next level. [Key Features] A user-friendly interface that enables intuitive operation. Clear display that allows you to understand complex calculation processes at a glance. The ability to save calculation processes as memos for easy reference later. In landscape mode, the selected numbers can be displayed across the entire screen for easy detailed viewing. CalcMemo is here to support your learning and work. Give it a try, and you'll experience how it smoothens your calculation process.

About

Retro Calc

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A beautifully simple calculator with a nostalgic retro design. Featuring a classic seven-segment display and warm, vintage colors, Retro Calc makes everyday math feel pleasant and effortless. No clutter, no distractions — just the essentials, crafted with care. Highlights - Focused on the four basic operations (+ − × ÷) - A seven-segment display drawn like the real thing, with tapered, softly rounded strokes - Up to 12 digits, with comma grouping that keeps large numbers readable at a glance - Sculpted keys that feel good to press, with haptic feedback on every tap - Large, easy-to-read key labels - Safe error handling for division by zero and overflow - VoiceOver support Your privacy, respected - No internet connection, ever - No data collection of any kind - No ads - No account required Simple by design. A calculator you'll reach for every day.

Screenshots

CalcMemo9293 screens
Retro Calc4 screens

Verdict

The call

The clearest difference is in-app purchases: Retro Calc at none against CalcMemo929's 1. On price, update cadence, 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. CalcMemo929 sells 1 one-off in-app purchase. Retro Calc asks for nothing beyond the download.

UpkeepUpdate frequency

CalcMemo929 ships an update every 2 weeks, Retro Calc every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 7 level
CalcMemo929 versus Retro Calc: the parameters behind the verdict, then further details
ParameterCalcMemo929Retro Calc
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size1 MB0 MB
Age rating4+4+
DeveloperYOSHIHIRO TAKAHASHIShuji Okuno

In-app purchases

1 purchases

CalcMemo929

One-time1
  • Premium Plan$0.49
None

Retro Calc

No in-app purchases

Questions

Is CalcMemo929 free?
CalcMemo929 is free to download, with in-app purchases available.
Is Retro Calc free?
Retro Calc is free to download, with no in-app purchases.
Do CalcMemo929 or Retro Calc have ads?
Neither CalcMemo929 nor Retro Calc shows ads.
Which is updated more often, CalcMemo929 or Retro Calc?
CalcMemo929 ships an update every 2 weeks, and Retro Calc every 3 weeks. Most recently, CalcMemo929 was updated on October 27, 2026 and Retro Calc on October 28, 2026.

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