# InterFasting vs Oing

The clearest difference is ads: Oing at none against InterFasting's shown. Oing also leads on review sentiment (100% vs 89%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. InterFasting sells 5 in-app purchases, starting at $3.99 per month and Oing sells 5 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

InterFasting ships an update every 4 days, Oing weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | InterFasting | Oing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (354 ratings)](https://appshunter.io/ios/app/interfasting-fasting-tracker/id1467464443/reviews)** | — |
| Number of ratings | **354** | — |
| Positive reviews | 88.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 99 MB | 255 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Liviet](https://appshunter.io/developer/1464827169) | [(주) 고로켓컴퍼니](https://appshunter.io/developer/1732198913) |

## What reviewers say

### InterFasting

[App page](https://appshunter.io/ios/app/interfasting-fasting-tracker/id1467464443)

This app helps users succeed with intermittent fasting through scientific and systematic management. It offers AI-powered schedule and calorie recommendations, a simple timer, and comprehensive tracking of fasting hours, meals, workouts, and water intake. Users can visualize progress and receive detailed reports to build healthy habits.

**Highlights:** AI fasting schedule recommendations, AI food calorie calculation, Intermittent fasting timer, Customizable fasting plans, All-in-one health tracking, Fasting analysis and reports, Home screen widget

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intermittent Fasting Monthly | $3.99 | per month |
| Intermittent Fasting Monthly | $6.99 | per month |
| Intermittent Fasting Annual | $12.99 | per year |
| Intermittent Fasting Annual | $34.99 | per year |
| Premium User | $12.99 | one-time |


### Oing

[App page](https://appshunter.io/ios/app/oing-daily-habit-tracker/id6756283759)

This app helps you track your supplements and encourages mutual support among friends and family. It focuses on gentle reminders and shared accountability rather than strict adherence or competition.

**Highlights:** Supplement tracking, Connect with friends, Gentle nudges, Customizable reminders, Refill alerts, Privacy controls

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oing Premium | $5.99 | per month |
| Oing Squad Pass | $9.99 | per month |
| Oing premium | $12.99 | per 3 months |
| Oing Premium | $39.99 | per year |
| Oing Squad Pass | $119.99 | per year |


## Frequently asked questions

### Is InterFasting free?

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

### Is Oing free?

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

### Do InterFasting or Oing have ads?

InterFasting shows ads; Oing does not.

### Which is updated more often, InterFasting or Oing?

InterFasting ships an update every 4 days, and Oing weekly. Most recently, InterFasting was updated on October 26, 2026 and Oing on October 25, 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.*