# Harmony Fasting vs Sec. Doctors

The clearest difference is in-app purchases: Sec. Doctors at none against Harmony Fasting's 10. Sec. Doctors also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Harmony Fasting sells 10 in-app purchases, starting at $0.99 per 7 days. Sec. Doctors asks for nothing beyond the download.

Harmony Fasting ships an update fortnightly, Sec. Doctors every 3 weeks. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Harmony Fasting | Sec. Doctors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (31 ratings)](https://appshunter.io/ios/app/harmony-fasting/id6467765098/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zaplq OU](https://appshunter.io/developer/1779504511) | [Madrasaty](https://appshunter.io/developer/1797034704) |

## What reviewers say

### Harmony Fasting

[App page](https://appshunter.io/ios/app/harmony-fasting/id6467765098)

This app helps you track intermittent fasting for various health and weight loss goals. It allows you to set personal information, choose fasting routines, and monitor your progress with a timer and reminders. It supports different fasting types and offers customizable levels.

**Highlights:** Fasting Timer, Personalized Profile, Fasting Levels, Customizable Levels, Goal Timer, Apple Health Integration

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per 7 days |
| Unlimited Access | $6.99 | per 7 days |
| Premium | $9.99 | per 7 days |
| Premium | $11.99 | per month |
| Premium Access | $19.99 | per month |
| Premium | $29.99 | per month |
| Premium Access | $34.99 | per month |
| Premium Access | $49.99 | per 3 months |
| Premium Access | $59.99 | per year |
| Premium | $69.99 | per year |


### Sec. Doctors

[App page](https://appshunter.io/ios/app/sec-doctors/id6749307869)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Harmony Fasting free?

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

### Is Sec. Doctors free?

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

### Do Harmony Fasting or Sec. Doctors have ads?

Neither Harmony Fasting nor Sec. Doctors shows ads.

### Which is updated more often, Harmony Fasting or Sec. Doctors?

Harmony Fasting ships an update fortnightly, and Sec. Doctors every 3 weeks. Most recently, Harmony Fasting was updated on October 15, 2026 and Sec. Doctors on October 6, 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.*