# Fomcal vs Monthly Fee Stamp

The clearest difference is price: Monthly Fee Stamp at Free against Fomcal's $1.99. Monthly Fee Stamp also leads on update cadence (every 3 days vs every 3 months). Fomcal's advantage is iOS requirement (12.0 vs 15.5). On ads, in-app purchases and device support there is nothing between them.

Monthly Fee Stamp is free to download; Fomcal costs $1.99 up front. Fomcal sells 1 one-off in-app purchase and Monthly Fee Stamp sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Fomcal ships an update every 3 months, Monthly Fee Stamp every 3 days. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Fomcal | Monthly Fee Stamp |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 60 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NOBORU IMAI](https://appshunter.io/developer/896071356) | [SINQWELL](https://appshunter.io/developer/1650172806) |

## What reviewers say

### Fomcal

[App page](https://appshunter.io/ios/app/fomcal/id954145664)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enhancements | $1.99 | one-time |


### Monthly Fee Stamp

[App page](https://appshunter.io/ios/app/monthly-fee-stamp/id6749873445)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| プレミアム機能 | $4.99 | one-time |
| Premium Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is Fomcal free?

Fomcal costs $1.99, and also offers in-app purchases.

### Is Monthly Fee Stamp free?

Monthly Fee Stamp is free to download, with in-app purchases available.

### Do Fomcal or Monthly Fee Stamp have ads?

Neither Fomcal nor Monthly Fee Stamp shows ads.

### Which is updated more often, Fomcal or Monthly Fee Stamp?

Fomcal ships an update every 3 months, and Monthly Fee Stamp every 3 days. Most recently, Fomcal was updated on October 13, 2026 and Monthly Fee Stamp on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*