# NextDose.AI vs Profast

The clearest difference is in-app purchases: NextDose.AI at none against Profast's 6. NextDose.AI also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 days). Profast's advantage is device support (3 vs 1). On price, rating, monetization model and iOS requirement there is nothing between them.

Both are free to download. Profast sells 6 in-app purchases, starting at $4.99 per 7 days. NextDose.AI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for NextDose.AI against 5.0 for Profast. That said, the two scores are not equally well evidenced: NextDose.AI has 9 ratings behind it against 1, so its average is the more settled of the two.

NextDose.AI ships an update every 2 days, Profast every 9 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NextDose.AI | Profast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/nextdoseai-peptide-tracker/id6765549870/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/profast-intermittent-fasting/id6787008342/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 142 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [NextDose.AI Inc.](https://appshunter.io/developer/1895989541) | [Deepak Sharma](https://appshunter.io/developer/1878056503) |

## What reviewers say

### NextDose.AI

[App page](https://appshunter.io/ios/app/nextdoseai-peptide-tracker/id6765549870)

Track GLP-1s, TRT, peptides, and other compounds with an AI that analyzes your logged data. Monitor weight loss, hormone levels, and bloodwork with research-backed context. Features include vial scanning, dose calculators, and health integrations.

**Highlights:** Weight & GLP-1 Progress Tracking, Testosterone & TRT Monitoring, Bloodwork Analysis & Charting, AI Research Assistant, Estimated Pharmacokinetic Curves, AI Vial Scanner, Syringe & Reconstitution Calculator

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

**In-app purchases:** none


### Profast

[App page](https://appshunter.io/ios/app/profast-intermittent-fasting/id6787008342)

This app helps you track intermittent fasting with a smart timer, personalized phases, and detailed progress insights. It also features an AI food scanner for meal tracking and supports various fasting protocols and religious traditions. Connect with friends for shared fasting challenges.

**Highlights:** Intermittent fasting timer, Smart phase tracking, AI food scanner, Calorie, protein, and water tracker, Weight tracking, Buddy and group fasting, Religious fasting support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Profast Weekly | $4.99 | per 7 days |
| Profast Monthly | $14.99 | per month |
| Profast Annual | $49.99 | per year |
| 10 Scan Credits | $2.99 | one-time |
| 50 Scan Credits | $8.99 | one-time |
| 200 Scan Credits | $29.99 | one-time |


## Frequently asked questions

### Is NextDose.AI free?

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

### Is Profast free?

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

### Which has better reviews, NextDose.AI or Profast?

NextDose.AI and Profast are both rated 5.0 out of 5 on the App Store, from 9 and 1 ratings respectively.

### Do NextDose.AI or Profast have ads?

Profast shows ads; NextDose.AI does not.

### Which is updated more often, NextDose.AI or Profast?

NextDose.AI ships an update every 2 days, and Profast every 9 days. Most recently, NextDose.AI was updated on October 1, 2026 and Profast on October 5, 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.*