# Swim Checker vs WKGSIM

The clearest difference is update cadence: Swim Checker at every 11 days against WKGSIM's every 7 months. WKGSIM's advantage is iOS requirement (12.0 vs 16.6). 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.

Swim Checker ships an update every 11 days, WKGSIM every 7 months. The most recent releases landed on July 7, 2026 and March 26, 2026 respectively.

## The numbers

| Metric | Swim Checker | WKGSIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/swim-checker/id1119021392/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 7 months |
| Monetization | Free | — |
| Size | 14 MB | 42 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ken Henry](https://appshunter.io/developer/901991382) | [MITSUNORI TERAGAMI](https://appshunter.io/developer/883571123) |

## What reviewers say

### Swim Checker

[App page](https://appshunter.io/ios/app/swim-checker/id1119021392)

This app helps swimmers, parents, and coaches track USA Swimming time standards. It provides updated motivational and national meet time standards for recent Olympic Trials. Future updates plan to include more state and LSC times.

**Highlights:** USA Swimming time standards tracking, Motivational times included, National meet time standards, 2019 and 2020 Olympic Trials standards, Supports Georgia state times

**Features:** macOS Compatibility

**In-app purchases:** none


### WKGSIM

[App page](https://appshunter.io/ios/app/wkgsim/id1445976080)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Swim Checker free?

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

### Is WKGSIM free?

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

### Do Swim Checker or WKGSIM have ads?

Neither Swim Checker nor WKGSIM shows ads.

### Which is updated more often, Swim Checker or WKGSIM?

Swim Checker ships an update every 11 days, and WKGSIM every 7 months. Most recently, Swim Checker was updated on July 7, 2026 and WKGSIM on March 26, 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.*