# Sparkx Fly vs PostPop

The clearest difference is rating: PostPop at 5.0 against Sparkx Fly's 4.2. PostPop also leads on in-app purchases (none vs 2) and review sentiment (100% vs 67%). Sparkx Fly's advantage is update cadence (every 6 days vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Sparkx Fly sells 2 in-app purchases, starting at $3.99 per month. PostPop asks for nothing beyond the download.

PostPop holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 19 and 8 respectively. Written reviews point the same way: 67% of Sparkx Fly's written reviews are positive against 100% of PostPop's.

Sparkx Fly ships an update every 6 days, PostPop every 2 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sparkx Fly | PostPop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/sparkx-fly/id6478508128/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/postpop-social-postcards/id6745527682/reviews)** |
| Number of ratings | **19** | 8 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 84 MB |
| Requires iOS | 14.0.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SPARKX FLY LLC](https://appshunter.io/developer/1733073040) | [Put Up Inc](https://appshunter.io/developer/1812723688) |

## What reviewers say

### Sparkx Fly

[App page](https://appshunter.io/ios/app/sparkx-fly/id6478508128)

Connect with like-minded fans on a dedicated social platform. Discover genuine interactions, share your passion for music, and build meaningful relationships. Features include a fan-centric environment, local friend finding, and an exclusive dating feature.

**Highlights:** Connect with fans based on shared music passion, Exclusive dating feature for fans, Create and view leaderboards by era, album, and songs, Clutter-free, fan-centric environment, Local friend finder for real-life meetups, Focus on genuine interactions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sparkx Fly Premium | $3.99 | per month |
| Sparkx Fly | $39.99 | per year |


### PostPop

[App page](https://appshunter.io/ios/app/postpop-social-postcards/id6745527682)

Design and send personalized postcards from your phone. Capture moments, add creative touches with drawing tools and text, and share them worldwide. Surprise friends and family with unique, thoughtful messages.

**Highlights:** Design custom postcards, Use camera or gallery photos, Drawing and text tools, Hand-drawn doodles, Worldwide delivery, Personalized messages

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sparkx Fly free?

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

### Is PostPop free?

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

### Which has better reviews, Sparkx Fly or PostPop?

PostPop is rated higher. Sparkx Fly averages 4.2 out of 5 from 19 ratings, while PostPop averages 5.0 from 8 ratings.

### Do Sparkx Fly or PostPop have ads?

Neither Sparkx Fly nor PostPop shows ads.

### Which is updated more often, Sparkx Fly or PostPop?

Sparkx Fly ships an update every 6 days, and PostPop every 2 months. Most recently, Sparkx Fly was updated on October 17, 2026 and PostPop on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*