# BestSelf AI vs ProStack

The clearest difference is rating: ProStack at 5.0 against BestSelf AI's 3.8. ProStack also leads on in-app purchases (none vs 2) and review sentiment (100% vs 67%). BestSelf AI's advantage is device support (3 vs 1). On price, ratings volume, ads and iOS requirement there is nothing between them.

Both are free to download. BestSelf AI sells 2 in-app purchases, starting at $7.99 per 7 days. ProStack asks for nothing beyond the download.

ProStack holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 67% of BestSelf AI's written reviews are positive against 100% of ProStack's.

BestSelf AI ships an update every 11 days, ProStack every 5 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | BestSelf AI | ProStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/bestself-ai/id6755077740/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prostack-peptide-tracker/id6789934657/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 54 MB | 65 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Jeffrey Basden](https://appshunter.io/developer/1851780064) | [JESSIE GRACE CHRISTIE](https://appshunter.io/developer/6789934659) |

## What reviewers say

### BestSelf AI

[App page](https://appshunter.io/ios/app/bestself-ai/id6755077740)

This AI-powered wellness companion crafts personalized meal plans, custom workouts, and healthy snack recommendations. It tracks your progress across nutrition, fitness, and sleep, helping you achieve your health goals with a gamified scoring system.

**Highlights:** Personalized meal plans, Custom workout regimens, Progress tracking, AI-generated recommendations, Weight management, Sleep optimization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Yearly | $299.99 | per year |


### ProStack

[App page](https://appshunter.io/ios/app/prostack-peptide-tracker/id6789934657)

Effortlessly calculate peptide dosages and track your cycles with instant syringe unit calculations. Log your progress, set reminders, and access a reference library for safe and effective use.

**Highlights:** Instant syringe unit calculation, Cycle tracking with calendar view, Dose reminders with auto-pause, Progress tracking (body composition, photos), Peptide reference library, Nasal spray calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is BestSelf AI free?

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

### Is ProStack free?

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

### Which has better reviews, BestSelf AI or ProStack?

ProStack is rated higher. BestSelf AI averages 3.8 out of 5 from 4 ratings, while ProStack averages 5.0 from 3 ratings.

### Do BestSelf AI or ProStack have ads?

Neither BestSelf AI nor ProStack shows ads.

### Which is updated more often, BestSelf AI or ProStack?

BestSelf AI ships an update every 11 days, and ProStack every 5 days. Most recently, BestSelf AI was updated on October 11, 2026 and ProStack on October 14, 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.*