# Fasting Space vs Peptaflow

The clearest difference is price: Peptaflow at Free against Fasting Space's $0.99. Peptaflow also leads on rating (5.0 vs 1.0). Fasting Space's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 17.0). On ratings volume, update cadence, ads and device support there is nothing between them.

Peptaflow is free to download; Fasting Space costs $0.99 up front. Peptaflow sells 1 one-off in-app purchase. Fasting Space asks for nothing beyond the download.

Peptaflow holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Fasting Space ships an update weekly, Peptaflow every 4 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Fasting Space | Peptaflow |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/fasting-space/id6757885519/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/peptaflow-peptide-tracker/id6762572393/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 34 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Batikan Bozkurt Kursat](https://appshunter.io/developer/1869444187) | [AppFactor LLC](https://appshunter.io/developer/1886628329) |

## What reviewers say

### Fasting Space

[App page](https://appshunter.io/ios/app/fasting-space/id6757885519)

This app simplifies your health journey by combining intermittent fasting, hydration tracking, and personal body profiling into a single, distraction-free experience. Understand your metabolic stages and track progress towards your goals with intuitive tools.

**Highlights:** Metabolic stage insights, Goal-oriented fasting plans, Personal body profile, Integrated fasting & hydration tracking, Flexible fasting timer, Intuitive water tracking, Fasting history & calendar

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

**In-app purchases:** none


### Peptaflow

[App page](https://appshunter.io/ios/app/peptaflow-peptide-tracker/id6762572393)

Manage your peptide protocols, track doses, and monitor vial inventory in one private app. Features include custom stack building, AI-generated summaries, and Apple Health synchronization. Stay organized and informed about your health journey.

**Highlights:** Custom peptide stack building, Fast dose logging, Vial and inventory management, AI-generated progress summaries, Peptide reference library, Apple Health synchronization, Private, on-device data storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $9.99 | one-time |


## Frequently asked questions

### Is Fasting Space free?

Fasting Space costs $0.99, with no in-app purchases.

### Is Peptaflow free?

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

### Which has better reviews, Fasting Space or Peptaflow?

Peptaflow is rated higher. Fasting Space averages 1.0 out of 5 from 1 ratings, while Peptaflow averages 5.0 from 1 ratings.

### Do Fasting Space or Peptaflow have ads?

Neither Fasting Space nor Peptaflow shows ads.

### Which is updated more often, Fasting Space or Peptaflow?

Fasting Space ships an update weekly, and Peptaflow every 4 days. Most recently, Fasting Space was updated on October 24, 2026 and Peptaflow on October 19, 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.*