# QoQa vs Teorem

The clearest difference is in-app purchases: QoQa at none against Teorem's 4. QoQa also leads on ratings volume (66 vs 1) and update cadence (every 2 weeks vs monthly). Teorem's advantage is iOS requirement (12.0 vs 17.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Teorem sells 4 in-app purchases, starting at $6.49 per month. QoQa asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for QoQa against 5.0 for Teorem. That said, the two scores are not equally well evidenced: QoQa has 66 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 82% of QoQa's written reviews are positive against 75% of Teorem's.

QoQa ships an update every 2 weeks, Teorem monthly. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | QoQa | Teorem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (66 ratings)](https://appshunter.io/ios/app/qoqa/id571197249/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/teorem/id1463118574/reviews)** |
| Number of ratings | **66** | 1 |
| Positive reviews | **82.1% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 98 MB | 46 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [QoQa services SA](https://appshunter.io/developer/1103274182) | [Charlotte Henry](https://appshunter.io/developer/1463118573) |

## What reviewers say

### QoQa

[App page](https://appshunter.io/ios/app/qoqa/id571197249)

Discover curated shopping deals daily across various categories, from hotels and tech to fashion and food. Receive personalized push notifications for offers tailored to your interests. Explore unique products and exclusive experiences.

**Highlights:** Daily curated shopping deals, Personalized push notifications, Hotel and restaurant offers, Hi-Tech products, Sports equipment, Gourmet food and kitchenware, Baby, kids, and parent items

**Features:** Apple Wallet, iMessage stickers

**In-app purchases:** none


### Teorem

[App page](https://appshunter.io/ios/app/teorem/id1463118574)

Buy and sell pre-loved clothing and accessories from a community of fashion enthusiasts. Discover unique pieces to refresh your wardrobe affordably and sustainably. Join a network focused on second-hand fashion.

**Highlights:** Sell pre-owned clothing and accessories, Discover unique fashion items, Personalizable seller space, Moderated service to prevent scams, Subscription for unlimited listings, Monthly boosters and photo uploads

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $6.49 | per month |
| Booster Ad | $0.99 | one-time |
| Hits of the Week | $4.99 | one-time |
| Hits of the Week | $9.99 | one-time |


## Frequently asked questions

### Is QoQa free?

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

### Is Teorem free?

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

### Which has better reviews, QoQa or Teorem?

Teorem is rated higher. QoQa averages 4.9 out of 5 from 66 ratings, while Teorem averages 5.0 from 1 ratings.

### Do QoQa or Teorem have ads?

Neither QoQa nor Teorem shows ads.

### Which is updated more often, QoQa or Teorem?

QoQa ships an update every 2 weeks, and Teorem monthly. Most recently, QoQa was updated on September 19, 2026 and Teorem on September 21, 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.*