# YELL vs TrackFollows

The clearest difference is in-app purchases: TrackFollows at none against YELL's 4. TrackFollows also leads on review sentiment (93% vs 67%) and iOS requirement (13.0 vs 15.0). YELL's advantage is update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. YELL sells 4 in-app purchases, starting at $1.99 per 7 days. TrackFollows asks for nothing beyond the download.

YELL ships an update every 9 days, TrackFollows every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | YELL | TrackFollows |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **93.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 56 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HYOWON KIM](https://appshunter.io/developer/1698359850) | [hyunjoong kim](https://appshunter.io/developer/1821578471) |

## What reviewers say

### YELL

[App page](https://appshunter.io/ios/app/yello/id6451451050)

This app connects you with friends from specific groups and universities through anonymous voting and message exchanges. Build friendships by sharing fun and exciting messages based on shared feelings and interests.

**Highlights:** Anonymous voting service, Connect with university friends, Send and receive messages, Build friendships based on feelings, Earn points for voting, Get hints about senders

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 옐로플러스 | $1.99 | per 7 days |
| 이름 열람권 2개 | $0.99 | one-time |
| 이름 열람권 1개 | $0.99 | one-time |
| 이름 열람권 5개 | $2.99 | one-time |


### TrackFollows

[App page](https://appshunter.io/ios/app/trackfollows/id6747464895)

Analyze your Instagram follower activity without logging in or connecting your account. Simply select your downloaded Instagram data file to see who isn't following you back and review follower statistics. Your data is analyzed securely on your device.

**Highlights:** Analyze Instagram data without login, Identify non-followers, Review follower statistics, On-device data analysis, View analysis history

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

**In-app purchases:** none


## Frequently asked questions

### Is YELL free?

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

### Is TrackFollows free?

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

### Do YELL or TrackFollows have ads?

Both YELL and TrackFollows show ads.

### Which is updated more often, YELL or TrackFollows?

YELL ships an update every 9 days, and TrackFollows every 2 months. Most recently, YELL was updated on November 3, 2026 and TrackFollows on November 5, 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.*