# OH Lighting vs FlexCalc

The clearest difference is in-app purchases: OH Lighting at none against FlexCalc's 1. FlexCalc's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FlexCalc sells 1 one-off in-app purchase. OH Lighting asks for nothing beyond the download.

OH Lighting ships an update every 2 weeks, FlexCalc every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OH Lighting | FlexCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flexcalc-flexible-calculator/id6785043241/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 49 MB | 21 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Miaoxiang intelligent Co., LTD](https://appshunter.io/developer/1436399965) | [Tho Tran](https://appshunter.io/developer/1110817755) |

## What reviewers say

### OH Lighting

[App page](https://appshunter.io/ios/app/oh-lighting/id6739021275)

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

**In-app purchases:** none


### FlexCalc

[App page](https://appshunter.io/ios/app/flexcalc-flexible-calculator/id6785043241)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a Coffee | $1.99 | one-time |


## Frequently asked questions

### Is OH Lighting free?

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

### Is FlexCalc free?

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

### Do OH Lighting or FlexCalc have ads?

Neither OH Lighting nor FlexCalc shows ads.

### Which is updated more often, OH Lighting or FlexCalc?

OH Lighting ships an update every 2 weeks, and FlexCalc every 3 weeks. Most recently, OH Lighting was updated on October 5, 2026 and FlexCalc on October 24, 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.*