# Parasites vs Congratulations

The clearest difference is in-app purchases: Parasites at none against Congratulations's 1. Parasites also leads on update cadence (every 2 months vs every 28 months) and rating (5.0 vs 4.7). Congratulations's advantage is ratings volume (3 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Congratulations sells 1 one-off in-app purchase. Parasites asks for nothing beyond the download.

Parasites holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Parasites ships an update every 2 months, Congratulations every 28 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Parasites | Congratulations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/parasites/id1166598593/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/congratulations-stickers/id1637751012/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 28 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Subterranean Software](https://appshunter.io/developer/951971413) | [Arturo Estrada De Leon](https://appshunter.io/developer/1030569527) |

## What reviewers say

### Parasites

[App page](https://appshunter.io/ios/app/parasites/id1166598593)

This app provides a collection of unique parasite-themed stickers for use in messaging. Enhance your conversations with these distinctive digital assets.

**Highlights:** Parasite-themed sticker collection, Enhance messaging conversations, Unique digital assets, Fantasy-inspired designs

**Features:** iMessage stickers

**In-app purchases:** none


### Congratulations

[App page](https://appshunter.io/ios/app/congratulations-stickers/id1637751012)

Enhance your iMessage conversations with a fun collection of animated stickers. Express emotions and ideas creatively by layering, resizing, and sticking them over messages, photos, or even other stickers. Add intensity and a unique twist to your chats.

**Highlights:** Animated stickers, iMessage effects, Peel and stick functionality, Resize stickers with pinch gesture, Variety of congratulations themes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Stickers | $1.99 | one-time |


## Frequently asked questions

### Is Parasites free?

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

### Is Congratulations free?

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

### Which has better reviews, Parasites or Congratulations?

Parasites is rated higher. Parasites averages 5.0 out of 5 from 1 ratings, while Congratulations averages 4.7 from 3 ratings.

### Do Parasites or Congratulations have ads?

Neither Parasites nor Congratulations shows ads.

### Which is updated more often, Parasites or Congratulations?

Parasites ships an update every 2 months, and Congratulations every 28 months. Most recently, Parasites was updated on November 6, 2026 and Congratulations on November 6, 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.*