# TimeConv vs KL Lightning

The clearest difference is update cadence: KL Lightning at monthly against TimeConv's every 34 months. TimeConv's advantage is iOS requirement (12.0 vs 14.0.0). 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.

TimeConv ships an update every 34 months, KL Lightning monthly. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TimeConv | KL Lightning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/timeconv/id1318113539/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Monthly** |
| Monetization | Free | — |
| Size | 15 MB | 53 MB |
| Requires iOS | **12.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jean-Baptiste Bolcato](https://appshunter.io/developer/492088331) | [Little League Sdn Bhd](https://appshunter.io/developer/1553853080) |

## What reviewers say

### TimeConv

[App page](https://appshunter.io/ios/app/timeconv/id1318113539)

Easily convert swimming times between short course and long course pools. This app uses a precise algorithm based on ASA tables for accurate conversions.

**Highlights:** Short course to long course conversion, Long course to short course conversion, Accurate ASA table algorithm, Simple and fast interface, Smooth user experience

**Features:** macOS Compatibility

**In-app purchases:** none


### KL Lightning

[App page](https://appshunter.io/ios/app/kl-lightning/id6476026234)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeConv free?

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

### Is KL Lightning free?

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

### Do TimeConv or KL Lightning have ads?

Neither TimeConv nor KL Lightning shows ads.

### Which is updated more often, TimeConv or KL Lightning?

TimeConv ships an update every 34 months, and KL Lightning monthly. Most recently, TimeConv was updated on October 2, 2026 and KL Lightning on September 29, 2026.

---

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