# FitCheck AI vs Return Deadline Tracker

The clearest difference is price: FitCheck AI at Free against Return Deadline Tracker's $3.99. FitCheck AI also leads on device support (3 vs 1) and iOS requirement (15.5 vs 26.5). Return Deadline Tracker's advantage is ads (none vs shown) and update cadence (daily vs every 10 days). On in-app purchases there is nothing between them.

FitCheck AI is free to download; Return Deadline Tracker costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FitCheck AI ships an update every 10 days, Return Deadline Tracker daily. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FitCheck AI | Return Deadline Tracker |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#133** |
| Size | 126 MB | 5 MB |
| Requires iOS | **15.5** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [tsugutoshi toda](https://appshunter.io/developer/1861101538) | [Makoto Fukuoka](https://appshunter.io/developer/1817908735) |

## What reviewers say

### FitCheck AI

[App page](https://appshunter.io/ios/app/fitcheck-ai/id6757683531)

This app helps you choose the right clothing sizes when shopping online. It uses your existing favorite garments as a reference to compare with product measurements, making online shopping decisions easier and more confident.

**Highlights:** Compare product sizes to your own clothes, Scan or manually input product measurements, View clear size difference comparisons, Save favorite items and comparison history, Supports tops, bottoms, and dresses, Edit AI-read measurements

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

**In-app purchases:** none


### Return Deadline Tracker

[App page](https://appshunter.io/ios/app/return-deadline-tracker/id6804756968)

**Currently charting:** #133 Top Paid · Shopping (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is FitCheck AI free?

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

### Is Return Deadline Tracker free?

Return Deadline Tracker costs $3.99, with no in-app purchases.

### Do FitCheck AI or Return Deadline Tracker have ads?

FitCheck AI shows ads; Return Deadline Tracker does not.

### Which is updated more often, FitCheck AI or Return Deadline Tracker?

FitCheck AI ships an update every 10 days, and Return Deadline Tracker daily. Most recently, FitCheck AI was updated on October 9, 2026 and Return Deadline Tracker on October 15, 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.*