# LTC vs ROE Calculator

The clearest difference is review sentiment: ROE Calculator at 100% against LTC's 0%. ROE Calculator also leads on rating (4.0 vs 1.7) and in-app purchases (none vs 1). LTC's advantage is ratings volume (6 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LTC sells 1 one-off in-app purchase. ROE Calculator asks for nothing beyond the download.

ROE Calculator holds the better App Store score, 4.0 against 1.7. That said, the two scores are not equally well evidenced: LTC has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of LTC's written reviews are positive against 100% of ROE Calculator's.

LTC ships an update every 5 months, ROE Calculator every 6 weeks. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | LTC | ROE Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/ltc-generator/id1467829287/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/roe-calculator/id6443583117/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 29 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhuoyao lu](https://appshunter.io/developer/894406093) | [ROE Visual Co., Ltd](https://appshunter.io/developer/966467215) |

## What reviewers say

### LTC

[App page](https://appshunter.io/ios/app/ltc-generator/id1467829287)

Generate SMPTE linear time code for video and film frame labeling. The audio output is for controlling playback on other devices, not for listening. Run in the background with screen locked and output audio via headphone jack, AirPlay, or Bluetooth.

**Highlights:** Generate SMPTE linear time code, Audio output for playback control, Background operation with screen locked, Multiple audio output options, Selectable frame rates, Customizable start and end times (full version)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $5.99 | one-time |


### ROE Calculator

[App page](https://appshunter.io/ios/app/roe-calculator/id6443583117)

This application provides essential technical calculations for LED screens, including ballast, pixel, and power requirement analysis. It's designed to be the ultimate tool for LED technicians during on-site work and production preparation.

**Highlights:** Ballast calculation, Pixel and resolution calculation, Power requirement analysis, Technical calculations for LED screens, On-site and preparation tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LTC free?

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

### Is ROE Calculator free?

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

### Which has better reviews, LTC or ROE Calculator?

ROE Calculator is rated higher. LTC averages 1.7 out of 5 from 6 ratings, while ROE Calculator averages 4.0 from 1 ratings.

### Do LTC or ROE Calculator have ads?

Neither LTC nor ROE Calculator shows ads.

### Which is updated more often, LTC or ROE Calculator?

LTC ships an update every 5 months, and ROE Calculator every 6 weeks. Most recently, LTC was updated on September 19, 2026 and ROE Calculator on June 1, 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.*