CalcMemo929 vs Retro Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Intuitive user interface
- Clear display of calculations
- Save calculations as memos
- Full-screen number display in landscape
- Supports learning and work tasks
Read full descriptionHide full description
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.
Retro Calc
Read full descriptionHide full description
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
Verdict
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
Both are free to download. CalcMemo929 sells 1 one-off in-app purchase. Retro Calc asks for nothing beyond the download.
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.
| Parameter | CalcMemo929 | Retro Calc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | YOSHIHIRO TAKAHASHI | Shuji Okuno |
In-app purchases
CalcMemo929
- Premium Plan$0.49
Retro Calc
No in-app purchases
Questions
Is CalcMemo929 free?
Is Retro Calc free?
Do CalcMemo929 or Retro Calc have ads?
Which is updated more often, CalcMemo929 or Retro Calc?
Other comparisons















