ReCalc+ vs Rub Memo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReCalc+
This calculator app allows for step-by-step calculations, enabling users to review their work and modify previous values. Its large display and buttons make it easy to use for quick computations.
- Step-by-step calculation display
- Edit previous calculation values
- Review calculation history
- Large buttons and display
- Intuitive design
Read full descriptionHide full description
It is a calculator app that can recalculate later . It calculates one line at a time as calculation by writing . So You can check the calculation process , or re- calculated by changing the value from the later , you can re-use features . It is easy to see easy-to-use design with large letters and buttons .
Rub Memo
This app allows you to erase text by rubbing your finger over it, mimicking the feel of erasing pencil on paper. It also offers a home screen widget for quick access, reordering paragraphs, and inserting various media like tables, checklists, and drawings.
- Erase text with finger rub
- Home screen widget for notes
- Reorder paragraphs by long-press and drop
- Insert tables, checklists, images, and drawings
- Full-text search with highlighted matches
- Lock notes with Face ID/Touch ID
- Export and share as PDF
Read full descriptionHide full description
■ Rub to erase Turn on the "Eraser" in the toolbar and just rub your finger over the text you want gone. Characters fade away one by one — no selecting and deleting. It feels like rubbing out pencil on a paper notebook, right on your phone. ■ Home Screen widget Your most recent note appears in a Home Screen widget. Tap it to jump straight back in. ■ More features ・Long-press a paragraph to lift it, then drop it anywhere to reorder ・Insert tables, checklists, images, and finger drawings (you can erase those too) ・Full-text search with highlighted matches ・Lock individual notes with Face ID / Touch ID ・Export and share as PDF ・Switch between Japanese and English ・Adjust font size, font, ruled lines, and eraser width ■ No ads, no in-app purchases, no sign-up, no data collection. All your data stays on your device.
Screenshots
Verdict
The clearest difference is review sentiment: Rub Memo at 100% against ReCalc+'s 40%. Rub Memo also leads on ads (none vs shown) and update cadence (every 6 days vs every 21 months). ReCalc+'s advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
ReCalc+ ships an update every 21 months, Rub Memo every 6 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.
| Parameter | ReCalc+ | Rub Memo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (28 ratings) — better | — |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 28 — better | — |
| Update frequency | Every 21 months | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | EIICHI KOMINE | seiji honda |
Customer experience
ReCalc+
Rub Memo
In-app purchases
ReCalc+
No in-app purchases
Rub Memo
No in-app purchases
