2 Field % Calc vs Proietta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2 Field % Calc
Calculate percentages between two numbers for various uses, including resizing images and determining magnification. Ideal for DTP and web designers needing quick calculations.
- Calculate percent between two numbers
- Image resizing by percentage
- Magnification calculation
- Useful for DTP and web designers
Read full descriptionHide full description
Calculation of percent for two numbers. Simply you input number and Dial Percent. We are using this app for resizing image with percent. Especially for resizing to different size of image. For DTP and Web designer ! Also you can calculate magnification. ( B/A = How much bigger is it ? ) We hope that this app helps your work. Thank you!! And there is "Aspect Ratio C Calc" App. Please visit our site: http://www.4us.jp We made other apps.
Proietta
Read full descriptionHide full description
This app connects via Bluetooth to our controlling board for our external projector, you can monitor temperatures and fan speed
Screenshots
Verdict
The clearest difference is iOS requirement: Proietta at 11.0 against 2 Field % Calc's 15.6. On price, update cadence, ads and in-app purchases 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.
2 Field % Calc ships an update every 30 months, Proietta every 58 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | 2 Field % Calc | Proietta |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 30 months — better | Every 58 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Toshihiro Nakane | Marco Piai |
In-app purchases
2 Field % Calc
No in-app purchases
Proietta
No in-app purchases
Questions
Is 2 Field % Calc free?
Is Proietta free?
Do 2 Field % Calc or Proietta have ads?
Which is updated more often, 2 Field % Calc or Proietta?
Other comparisons
