# Pheme vs Null Fasting

The clearest difference is rating: Pheme at 5.0 against Null Fasting's 4.5. Pheme also leads on iOS requirement (12.4 vs 17.6). Null Fasting's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pheme holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Pheme ships an update every 3 weeks, Null Fasting weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pheme | Null Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pheme-medical-chat/id1607464541/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/null-fasting/id6743633464/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 47 MB | 21 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Pheme Technologies, Inc](https://appshunter.io/developer/1607464543) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### Pheme

[App page](https://appshunter.io/ios/app/pheme-medical-chat/id1607464541)

A HIPAA-compliant messaging platform for medical professionals to streamline communication, manage prescriptions, and resolve patient issues securely. It simplifies team collaboration and reduces errors in medical communication.

**Highlights:** HIPAA compliant messaging, Streamlined Rx management, Secure patient issue tracking, Team collaboration, End-to-end encryption, Medical Lexicon for typo-free scripts

**Features:** macOS Compatibility

**In-app purchases:** none


### Null Fasting

[App page](https://appshunter.io/ios/app/null-fasting/id6743633464)

This app helps you track intermittent fasting with flexible protocols, detailed statistics, and motivational tools. It integrates with health platforms and offers personalized goal setting for a healthier lifestyle.

**Highlights:** Flexible fasting protocols (16:8, OMAD, custom), Intelligent tracking with timers and notifications, Comprehensive statistics and progress analysis, Apple Health integration, Milestone tracking and educational content, Personalized motivation and goal setting, Smart scheduling and reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pheme free?

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

### Is Null Fasting free?

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

### Which has better reviews, Pheme or Null Fasting?

Pheme is rated higher. Pheme averages 5.0 out of 5 from 5 ratings, while Null Fasting averages 4.5 from 2 ratings.

### Do Pheme or Null Fasting have ads?

Pheme shows ads; Null Fasting does not.

### Which is updated more often, Pheme or Null Fasting?

Pheme ships an update every 3 weeks, and Null Fasting weekly. Most recently, Pheme was updated on November 3, 2026 and Null Fasting on October 30, 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.*