# JoinIt vs Stamp Identifier

The clearest difference is review sentiment: JoinIt at 100% against Stamp Identifier's 0%. JoinIt also leads on in-app purchases (none vs 2) and device support (3 vs 1). Stamp Identifier's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Stamp Identifier sells 2 in-app purchases, starting at $9.90 per 7 days. JoinIt asks for nothing beyond the download.

JoinIt ships an update every 2 months, Stamp Identifier every 3 weeks. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JoinIt | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/stamp-identifier-value-range/id6758504782/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nathan STAMPFLI](https://appshunter.io/developer/1806346409) | [Burak Guner](https://appshunter.io/developer/1776580422) |

## What reviewers say

### JoinIt

[App page](https://appshunter.io/ios/app/joinit/id6744169323)

This app serves as a virtual wedding invitation and organizer, centralizing all event details. Guests can RSVP, share availability, ask questions, and access key information like venue and dress code. It also allows for music playlist contributions and photo sharing.

**Highlights:** Virtual invitations, RSVP management, Guest availability sharing, Direct Q&A, Event information access, Playlist contribution, Photo sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-value-range/id6758504782)

Instantly identify stamps using AI by snapping a photo. Discover their estimated market value, rarity score, and detailed analysis. Keep track of all your identified stamps in an unlimited scan history.

**Highlights:** AI-powered stamp identification, Estimated market value, Rarity score and analysis, Unlimited scan history, Supports stamps from any country/era, Fast, accurate results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.90 | per 7 days |
| Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is JoinIt free?

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

### Is Stamp Identifier free?

Stamp Identifier is free to download, with in-app purchases available.

### Do JoinIt or Stamp Identifier have ads?

Neither JoinIt nor Stamp Identifier shows ads.

### Which is updated more often, JoinIt or Stamp Identifier?

JoinIt ships an update every 2 months, and Stamp Identifier every 3 weeks. Most recently, JoinIt was updated on October 20, 2026 and Stamp Identifier on October 25, 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.*