# YKGA Calculator vs Tracelocker

The clearest difference is in-app purchases: YKGA Calculator at none against Tracelocker's 1. Tracelocker's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price there is nothing between them.

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

YKGA Calculator ships an update every 3 months, Tracelocker every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | YKGA Calculator | Tracelocker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 24 MB | 32 MB |
| Requires iOS | 17.0 | **13.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Yuta Kobayashi](https://appshunter.io/developer/1169055350) | [Abbey Technology GmbH](https://appshunter.io/developer/1462174198) |

## What reviewers say

### YKGA Calculator

[App page](https://appshunter.io/ios/app/ykga-calculator/id1218660442)

**Features:** Vision Pro support

**In-app purchases:** none


### Tracelocker

[App page](https://appshunter.io/ios/app/tracelocker/id1532417853)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| User Report (Basic) | $0.99 | one-time |


## Frequently asked questions

### Is YKGA Calculator free?

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

### Is Tracelocker free?

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

### Do YKGA Calculator or Tracelocker have ads?

YKGA Calculator shows ads; Tracelocker does not.

### Which is updated more often, YKGA Calculator or Tracelocker?

YKGA Calculator ships an update every 3 months, and Tracelocker every 3 weeks. Most recently, YKGA Calculator was updated on November 2, 2026 and Tracelocker on November 7, 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.*