# leaDCalc vs QCELL SL

The clearest difference is update cadence: QCELL SL at every 3 weeks against leaDCalc's every 11 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for leaDCalc against 5.0 for QCELL SL. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

leaDCalc ships an update every 11 months, QCELL SL every 3 weeks. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | leaDCalc | QCELL SL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/leadcalc/id1487509498/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/qcell-sl/id6753067778/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 157 MB | 67 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vaughn Warriner](https://appshunter.io/developer/1487509497) | [QCELL CO. LIMITED](https://appshunter.io/developer/1492695953) |

## What reviewers say

### leaDCalc

[App page](https://appshunter.io/ios/app/leadcalc/id1487509498)

This app calculates direct current power lead sizes for telephone company central office power plants. It uses a circular slide rule format to determine allowable voltage drops and wire sizes based on specific system parameters.

**Highlights:** Circular slide rule format, Calculates allowable voltage drops, Determines DC power lead sizes, Supports 48V and 24V DC systems, References Bell System calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### QCELL SL

[App page](https://appshunter.io/ios/app/qcell-sl/id6753067778)

This app offers QCell customers a unified platform to manage their mobile services and financial transactions. Users can recharge accounts, purchase data, access loans, buy power tokens, find service centers, and utilize QMoney services. It also provides live TV streaming.

**Highlights:** Credit account recharge, Data bundle purchase, Credit loan access, Prepaid cash power tokens, Customer care center locator, QMoney services access, Live SLBC TV streaming

**In-app purchases:** none


## Frequently asked questions

### Is leaDCalc free?

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

### Is QCELL SL free?

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

### Which has better reviews, leaDCalc or QCELL SL?

leaDCalc and QCELL SL are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do leaDCalc or QCELL SL have ads?

Neither leaDCalc nor QCELL SL shows ads.

### Which is updated more often, leaDCalc or QCELL SL?

leaDCalc ships an update every 11 months, and QCELL SL every 3 weeks. Most recently, leaDCalc was updated on September 29, 2026 and QCELL SL on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*