# Camera Light Meter vs SixtySum

The clearest difference is update cadence: SixtySum at every 2 days against Camera Light Meter's monthly. SixtySum also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Camera Light Meter ships an update monthly, SixtySum every 2 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Camera Light Meter | SixtySum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 4 MB | 15 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [翌嘉 赵](https://appshunter.io/developer/1775197786) | [KENTA OSAWA](https://appshunter.io/developer/1896774876) |

## What reviewers say

### Camera Light Meter

[App page](https://appshunter.io/ios/app/camera-light-meter/id6760521254)

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

**In-app purchases:** none


### SixtySum

[App page](https://appshunter.io/ios/app/sixtysum-time-calculator/id6776988090)

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

**In-app purchases:** none


## Frequently asked questions

### Is Camera Light Meter free?

Camera Light Meter is free to download, with no in-app purchases.

### Is SixtySum free?

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

### Do Camera Light Meter or SixtySum have ads?

Neither Camera Light Meter nor SixtySum shows ads.

### Which is updated more often, Camera Light Meter or SixtySum?

Camera Light Meter ships an update monthly, and SixtySum every 2 days. Most recently, Camera Light Meter was updated on October 2, 2026 and SixtySum on September 30, 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.*