# Previ vs Vietwich

The clearest difference is rating: Vietwich at 5.0 against Previ's 3.1. Vietwich also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). Previ's advantage is ratings volume (55 vs 2) and iOS requirement (15.1 vs 18.0). On price, 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.

Vietwich holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Previ has 55 ratings behind it against 2, so its average is the more settled of the two.

Previ ships an update monthly, Vietwich every 6 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Previ | Vietwich |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (55 ratings)](https://appshunter.io/ios/app/previ/id1618837837/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vietwich-tx/id6797621097/reviews)** |
| Number of ratings | **55** | 2 |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 26 MB | 86 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Previ Inc.](https://appshunter.io/developer/1618837839) | [Per Diem Subscriptions, Inc.](https://appshunter.io/developer/1601246395) |

## What reviewers say

### Previ

[App page](https://appshunter.io/ios/app/previ/id1618837837)

Access exclusive deals and superior pricing on a curated selection of premium products. This membership offers a unique way to save on high-quality items.

**Highlights:** Exclusive membership, Superior pricing, Premium products, Curated selection

**Features:** Apple Wallet

**In-app purchases:** none


### Vietwich

[App page](https://appshunter.io/ios/app/vietwich-tx/id6797621097)

Easily order your favorite Vietnamese sandwiches, bowls, and drinks for pickup or delivery. Skip the line and pay directly through the app for a convenient and quick experience.

**Highlights:** Order sandwiches, bowls, and drinks, Skip the wait with pre-ordering, Pickup and delivery options, In-app payment, Catering trays available

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

**In-app purchases:** none


## Frequently asked questions

### Is Previ free?

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

### Is Vietwich free?

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

### Which has better reviews, Previ or Vietwich?

Vietwich is rated higher. Previ averages 3.1 out of 5 from 55 ratings, while Vietwich averages 5.0 from 2 ratings.

### Do Previ or Vietwich have ads?

Previ shows ads; Vietwich does not.

### Which is updated more often, Previ or Vietwich?

Previ ships an update monthly, and Vietwich every 6 days. Most recently, Previ was updated on November 3, 2026 and Vietwich 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.*