# Hlídač Shopů vs ASTD eCertification

The clearest difference is update cadence: ASTD eCertification at monthly against Hlídač Shopů's every 4 months. ASTD eCertification also leads on iOS requirement (13.0 vs 15.0). 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.

Hlídač Shopů ships an update every 4 months, ASTD eCertification monthly. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hlídač Shopů | ASTD eCertification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hlidac-shopu/id1488295734/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 2 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TopMonks s.r.o.](https://appshunter.io/developer/470392560) | [Tobias Ondra](https://appshunter.io/developer/1768235827) |

## What reviewers say

### Hlídač Shopů

[App page](https://appshunter.io/ios/app/hlidac-shopu/id1488295734)

This app helps you identify genuine discounts by tracking product price history. It prevents you from being misled by inflated original prices before sales, ensuring you always know if you're getting a real deal.

**Highlights:** Real-time discount verification, Product price history tracking, Share product details for analysis, Identify inflated original prices, Supports various e-shops

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### ASTD eCertification

[App page](https://appshunter.io/ios/app/astd-ecertification/id6680187743)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hlídač Shopů free?

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

### Is ASTD eCertification free?

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

### Do Hlídač Shopů or ASTD eCertification have ads?

Neither Hlídač Shopů nor ASTD eCertification shows ads.

### Which is updated more often, Hlídač Shopů or ASTD eCertification?

Hlídač Shopů ships an update every 4 months, and ASTD eCertification monthly. Most recently, Hlídač Shopů was updated on November 3, 2026 and ASTD eCertification on October 27, 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.*