# CalcFlex vs Least Common Multiple LCM

The clearest difference is in-app purchases: Least Common Multiple LCM at none against CalcFlex's 6. Least Common Multiple LCM also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). CalcFlex's advantage is ads (none vs shown) and update cadence (every 9 days vs every 12 months). On price there is nothing between them.

Both are free to download. CalcFlex sells 3 one-off in-app purchases. Least Common Multiple LCM asks for nothing beyond the download.

CalcFlex ships an update every 9 days, Least Common Multiple LCM every 12 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CalcFlex | Least Common Multiple LCM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/least-common-multiple-lcm/id6741225203/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 12 months |
| Monetization | — | Ad-supported |
| Size | 2 MB | 12 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Chiu Loong Ng](https://appshunter.io/developer/1755978644) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### CalcFlex

[App page](https://appshunter.io/ios/app/calcflex-calculator/id6520389768)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +3 New Variables | $1.99 | one-time |
| +20 New Equation Slots | $1.99 | one-time |
| +1 New Calculator | $3.99 | one-time |


### Least Common Multiple LCM

[App page](https://appshunter.io/ios/app/least-common-multiple-lcm/id6741225203)

Easily calculate the least common multiple (LCM) of two numbers with this straightforward utility. Designed for simplicity, it offers a quick and user-friendly way to find the LCM.

**Highlights:** Calculate LCM of two numbers, Easy to use interface, Quick results, Simple utility tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalcFlex free?

CalcFlex is free to download, with in-app purchases available.

### Is Least Common Multiple LCM free?

Least Common Multiple LCM is free to download, with no in-app purchases.

### Do CalcFlex or Least Common Multiple LCM have ads?

Least Common Multiple LCM shows ads; CalcFlex does not.

### Which is updated more often, CalcFlex or Least Common Multiple LCM?

CalcFlex ships an update every 9 days, and Least Common Multiple LCM every 12 months. Most recently, CalcFlex was updated on October 25, 2026 and Least Common Multiple LCM on November 4, 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.*