# catTHIS vs Norming eTracker

The clearest difference is update cadence: catTHIS at monthly against Norming eTracker's every 12 months. Norming eTracker's advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

catTHIS ships an update monthly, Norming eTracker every 12 months. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | catTHIS | Norming eTracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free | — |
| Size | 120 MB | 5 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [catTHIS PTE LTD](https://appshunter.io/developer/1211749793) | [Norming Software](https://appshunter.io/developer/1016420962) |

## What reviewers say

### catTHIS

[App page](https://appshunter.io/ios/app/catthis/id1211749794)

Easily upload, manage, and share your PDF catalogs with anyone. Track who views and saves your catalogs with built-in analytics. Keep recipients updated with the latest versions and post news directly to your catalogs.

**Highlights:** Upload unlimited PDF catalogs, Generate unique QR codes for catalogs, Embed YouTube videos into catalogs, Share via chat apps and social media, Track catalog viewers and savers, Post news and events to catalogs, Private catalog options

**Features:** macOS Compatibility

**In-app purchases:** none


### Norming eTracker

[App page](https://appshunter.io/ios/app/norming-etracker/id1383151613)

**In-app purchases:** none


## Frequently asked questions

### Is catTHIS free?

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

### Is Norming eTracker free?

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

### Do catTHIS or Norming eTracker have ads?

Neither catTHIS nor Norming eTracker shows ads.

### Which is updated more often, catTHIS or Norming eTracker?

catTHIS ships an update monthly, and Norming eTracker every 12 months. Most recently, catTHIS was updated on September 18, 2026 and Norming eTracker on September 8, 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.*