# Nev AI vs Stack

The clearest difference is in-app purchases: Nev AI at none against Stack's 2. Nev AI also leads on update cadence (every 2 days vs every 8 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stack sells 2 in-app purchases, starting at $9.99 per 7 days. Nev AI asks for nothing beyond the download.

Nev AI ships an update every 2 days, Stack every 8 days. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Nev AI | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/nev-ai/id6748925619/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | Free | — |
| Size | 118 MB | 136 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [Kitchin AI Inc.](https://appshunter.io/developer/1828022704) | [Amari Thomas](https://appshunter.io/developer/1868315587) |

## What reviewers say

### Nev AI

[App page](https://appshunter.io/ios/app/nev-ai/id6748925619)

This AI-powered app connects your daily life elements to proactively offer personalized insights. It generates recipes from your pantry, tracks nutrition, and provides health-specific recommendations based on your ingredients, medications, and conditions.

**Highlights:** Personalized AI insights, Recipe generation from pantry, Ingredient-medication interaction checks, Macro tracking and personal plans, Wearable device integration, Real-time nutritionist advice

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

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-peptide-tracker/id6773488687)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Weekly | $9.99 | per 7 days |
| Stack Yearly | $49.99 | per year |


## Frequently asked questions

### Is Nev AI free?

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

### Is Stack free?

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

### Do Nev AI or Stack have ads?

Neither Nev AI nor Stack shows ads.

### Which is updated more often, Nev AI or Stack?

Nev AI ships an update every 2 days, and Stack every 8 days. Most recently, Nev AI was updated on October 5, 2026 and Stack on October 1, 2026.

---

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