# LIT Light Meter vs Calculator Abacus Suite

The clearest difference is rating: Calculator Abacus Suite at 5.0 against LIT Light Meter's 4.6. LIT Light Meter's advantage is device support (5 vs 2) and iOS requirement (15.0 vs 26.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Calculator Abacus Suite holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

LIT Light Meter ships an update every 2 weeks, Calculator Abacus Suite every 11 days. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | LIT Light Meter | Calculator Abacus Suite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/lit-light-meter/id6747716897/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-abacus-suite/id6756740335/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free | Free |
| Size | 78 MB | 7 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lit Systems AB](https://appshunter.io/developer/1822574754) | [Clever Algorithm](https://appshunter.io/developer/1632500447) |

## What reviewers say

### LIT Light Meter

[App page](https://appshunter.io/ios/app/lit-light-meter/id6747716897)

This companion app allows users to remotely control and save data from the LIT DUO 1 light meter. It enables firmware updates via Bluetooth, enhancing the functionality of the connected device.

**Highlights:** Remote control for LIT DUO 1, Firmware updates via Bluetooth, Data saving capabilities, Companion app functionality

**Features:** Apple Watch app

**In-app purchases:** none


### Calculator Abacus Suite

[App page](https://appshunter.io/ios/app/calculator-abacus-suite/id6756740335)

This comprehensive suite offers 74 specialized calculators for finance, health, math, engineering, and everyday tasks. It prioritizes privacy by performing all calculations locally on your device with no data collection.

**Highlights:** 74 specialized calculators, Financial planning tools, Health and fitness trackers, Advanced math functions, Engineering tools, Unit and IP subnet conversion, Privacy-first local calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LIT Light Meter free?

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

### Is Calculator Abacus Suite free?

Calculator Abacus Suite is free to download, with no in-app purchases.

### Which has better reviews, LIT Light Meter or Calculator Abacus Suite?

Calculator Abacus Suite is rated higher. LIT Light Meter averages 4.6 out of 5 from 5 ratings, while Calculator Abacus Suite averages 5.0 from 2 ratings.

### Do LIT Light Meter or Calculator Abacus Suite have ads?

Neither LIT Light Meter nor Calculator Abacus Suite shows ads.

### Which is updated more often, LIT Light Meter or Calculator Abacus Suite?

LIT Light Meter ships an update every 2 weeks, and Calculator Abacus Suite every 11 days. Most recently, LIT Light Meter was updated on October 25, 2026 and Calculator Abacus Suite on October 22, 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.*