# SSFMfree vs SLCalculation

The clearest difference is ads: SLCalculation at none against SSFMfree's shown. SLCalculation also leads on update cadence (monthly vs every 11 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SSFMfree ships an update every 11 months, SLCalculation monthly. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SSFMfree | SLCalculation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Monthly** |
| Size | 11 MB | 19 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [tsuyoshi saito](https://appshunter.io/developer/1530882113) |

## What reviewers say

### SSFMfree

[App page](https://appshunter.io/ios/app/ssfmfree/id1476228180)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLCalculation

[App page](https://appshunter.io/ios/app/slcalculation/id1541116749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SSFMfree free?

SSFMfree is free to download, with no in-app purchases.

### Is SLCalculation free?

SLCalculation is free to download, with no in-app purchases.

### Do SSFMfree or SLCalculation have ads?

SSFMfree shows ads; SLCalculation does not.

### Which is updated more often, SSFMfree or SLCalculation?

SSFMfree ships an update every 11 months, and SLCalculation monthly. Most recently, SSFMfree was updated on September 26, 2026 and SLCalculation on October 7, 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.*