# Costcard vs Sentinel360

The clearest difference is update cadence: Costcard at every 3 weeks against Sentinel360's every 2 months. Sentinel360's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Costcard ships an update every 3 weeks, Sentinel360 every 2 months. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Costcard | Sentinel360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/costcard/id6759629396/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 32 MB | 61 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [JAMES SATHYAPAL GUNJA](https://appshunter.io/developer/1879923971) | [Sentinel Advisory Group, LLC](https://appshunter.io/developer/1896629982) |

## What reviewers say

### Costcard

[App page](https://appshunter.io/ios/app/costcard/id6759629396)

Automatically tracks Costco prices for items you've purchased. Get alerts when prices drop within the return window and easily file claims to get your money back.

**Highlights:** Automatic price drop alerts, Receipt scanning with AI, Import Costco purchase history, Automated price claim generation, Costco coupon book browsing, Smart shopping list creation

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

**In-app purchases:** none


### Sentinel360

[App page](https://appshunter.io/ios/app/sentinel360/id6769098563)

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

**In-app purchases:** none


## Frequently asked questions

### Is Costcard free?

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

### Is Sentinel360 free?

Sentinel360 is free to download, with no in-app purchases.

### Do Costcard or Sentinel360 have ads?

Neither Costcard nor Sentinel360 shows ads.

### Which is updated more often, Costcard or Sentinel360?

Costcard ships an update every 3 weeks, and Sentinel360 every 2 months. Most recently, Costcard was updated on November 5, 2026 and Sentinel360 on November 9, 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.*