# HelpZter vs Stamped Sitters

The clearest difference is in-app purchases: HelpZter at none against Stamped Sitters's 2. HelpZter also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Stamped Sitters's advantage is update cadence (every 3 days vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Stamped Sitters sells 2 in-app purchases, starting at $7.99 per month. HelpZter asks for nothing beyond the download.

HelpZter ships an update every 5 months, Stamped Sitters every 3 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | HelpZter | Stamped Sitters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stamped-sitters/id6788586975/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 145 MB | 29 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Helpzter Corporation](https://appshunter.io/developer/1709613128) | [Stamped Technologies LLC](https://appshunter.io/developer/6788586977) |

## What reviewers say

### HelpZter

[App page](https://appshunter.io/ios/app/helpzter/id6470185144)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Stamped Sitters

[App page](https://appshunter.io/ios/app/stamped-sitters/id6788586975)

Organize your trusted babysitting network with this private app. Invite sitters, send requests, share care details, and manage schedules all in one place. Focus on building a reliable circle of caregivers without public marketplaces.

**Highlights:** Private sitter circle, Send babysitting requests, Share care details, Manage sitter availability, Organize sitter groups, In-app messaging

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Parent Plus Monthly | $7.99 | per month |
| Parent Plus Annual | $79.99 | per year |


## Frequently asked questions

### Is HelpZter free?

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

### Is Stamped Sitters free?

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

### Do HelpZter or Stamped Sitters have ads?

Neither HelpZter nor Stamped Sitters shows ads.

### Which is updated more often, HelpZter or Stamped Sitters?

HelpZter ships an update every 5 months, and Stamped Sitters every 3 days. Most recently, HelpZter was updated on October 21, 2026 and Stamped Sitters on October 21, 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.*