# TankooMall vs Costco Refund Check

The clearest difference is in-app purchases: TankooMall at none against Costco Refund Check's 2. TankooMall also leads on iOS requirement (13.0 vs 17.0). Costco Refund Check's advantage is update cadence (every 9 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Costco Refund Check sells 2 in-app purchases, starting at $2.99 per month. TankooMall asks for nothing beyond the download.

TankooMall ships an update every 5 months, Costco Refund Check every 9 days. The most recent releases landed on October 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TankooMall | Costco Refund Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/costco-refund-check/id6808810195/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [徐州坦库国际贸易有限公司](https://appshunter.io/developer/1749241797) | [Yi Yan Tay](https://appshunter.io/developer/1798033391) |

## What reviewers say

### TankooMall

[App page](https://appshunter.io/ios/app/tankoomall/id6503434685)

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

**In-app purchases:** none


### Costco Refund Check

[App page](https://appshunter.io/ios/app/costco-refund-check/id6808810195)

Automatically track price drops on Costco purchases within 30 days to claim refunds. Supports receipts from photos, scans, or PDFs, and verifies savings against official Costco books. Protects user privacy by processing data on-device.

**Highlights:** Automatic price drop detection, Receipt scanning (PDF, photo, scan), Item number matching, Past receipt analysis, On-device data processing, Refund tracking (earned, pending, missed)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $2.99 | per month |
| Unlimited Yearly | $19.99 | per year |


## Frequently asked questions

### Is TankooMall free?

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

### Is Costco Refund Check free?

Costco Refund Check is free to download, with in-app purchases available.

### Do TankooMall or Costco Refund Check have ads?

Neither TankooMall nor Costco Refund Check shows ads.

### Which is updated more often, TankooMall or Costco Refund Check?

TankooMall ships an update every 5 months, and Costco Refund Check every 9 days. Most recently, TankooMall was updated on October 8, 2026 and Costco Refund Check on October 31, 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.*