Fomcal vs MSG View
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fomcal
This app allows you to create and save custom calculation formulas for daily use. It supports complex functions, logical operations, and parameter studies, with options to export results as CSV. An optional numeric pad enhances input efficiency.
- Save and reuse custom formulas
- Support for logical and comparison functions
- Parameter study for variable analysis
- Export results as CSV
- Optional enhanced numeric pad
- Extended syntax for branching and iteration
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Fomcal is a calculator to calculate quickly with formula inputted already. Since you can register formulas used in daily routine by yourself, there is no need to search or to develop the dedicated calc app. Moreover, Fomcal can be also available as a general function calculator pad (option). Registered formula can be utilized as a function in the other formula or on the calcpad. And constants or variables can be used in these. Fomcal can show descriptions and a figure, about formulas and variables. In addition to the numeric functions such as trigonometric functions, you can also use the logical or comparison functions. By describing separated multiple of a formula with a semicolon';', you will be able to calculate these at the same time. Temporary variables are available in formula definition as followings. exp) x=1;x+2 result) 3 You can try a parameter study with specifying an initial value, a incrementation and a repeat number. The result can be exported as CSV data. Following formulas are preset as samples. ・Hypotenuse of Right Triangle - Geometry ・Cross-sectional Performance of Rectangle - Mechanics of materials ・Roots of quadratic equation - Mathematics ・Compound interest calculation - Business ・Number of years to become N times with compound interest calculation After purchase of "Enhancements (former Restriction Release)" with In-App purchase, you will be able to following functions. ・Export/import of formula data. ・A special numeric pad will be utilized for efficient inputting. ・Function calculator pad. ・Parameter study. From Ver.3.3, "Extended Syntax" feature is available. With $IF, $FOR, $WHILE or etc., branch or iterative operation is easily specified.
MSG View
Easily view Microsoft Outlook .msg files and their attachments directly on your iOS device. This app allows you to open saved emails from other applications, share attachments, or print them. You can also compose new emails using the content of your MSG files.
- Open .msg email files
- View email attachments
- Share attachments with other apps
- Print attachments
- Compose new emails from MSG content
- Open sample MSG files
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View Microsoft Outlook .MSG files on your iOS device, including attachments within them. These are usually emails saved in the Microsoft MSG format. Tap on an MSG file in another app, "Open In..." and select MSG View to view your saved email. You may tap "open a sample MSG" to see an example email open up. Attachments may be shared with other apps or printed. Tap the compose icon to open your MSG as a new Mail message
Screenshots
Verdict
The clearest difference is review sentiment: Fomcal at 75% against MSG View's 0%. Fomcal also leads on iOS requirement (12.0 vs 17.0). MSG View's advantage is in-app purchases (none vs 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
Fomcal costs $1.99 and MSG View $1.99 up front. Fomcal sells 1 one-off in-app purchase. MSG View asks for nothing beyond the download.
Fomcal ships an update every 3 months, MSG View every 4 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.
| Parameter | Fomcal | MSG View |
|---|---|---|
| Price | $1.99 | $1.99 |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | NOBORU IMAI | Matrix Logic Corporation |
Customer experience
Fomcal
MSG View
In-app purchases
Fomcal
- Enhancements$1.99
MSG View
No in-app purchases
