# Sphere vs interfasting

The clearest difference is monetization model: interfasting at free against Sphere's free with in-app purchases. interfasting also leads on update cadence (every 5 days vs monthly). Sphere's advantage is iOS requirement (15.6 vs 18.5). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Sphere sells 3 in-app purchases, starting at $2.99 per month and interfasting sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Sphere against 5.0 for interfasting. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sphere ships an update monthly, interfasting every 5 days. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sphere | interfasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sphere-mood-and-emotion-tracker/id6746172638/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/interfasting/id6751507755/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 3 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Guven Pazarlama Tekstil Sanayi Ve Ticaret Limited Sirketi](https://appshunter.io/developer/1592135582) | [Ivan Morel](https://appshunter.io/developer/1497560273) |

## What reviewers say

### Sphere

[App page](https://appshunter.io/ios/app/sphere-mood-and-emotion-tracker/id6746172638)

This app offers a voice-based journal for tracking moods and emotions, promoting self-awareness and mental well-being. It helps identify emotional patterns, build positive habits, and provides a calming space for stress relief and mindfulness.

**Highlights:** Voice journaling for natural expression, Smart mood tracking and pattern identification, Habit tracker for mental wellness routines, Stress relief and mindfulness exercises, Minimalist and distraction-free interface, Secure and private data storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $9.99 | per year |
| Life Time Subscription | $19.99 | one-time |


### interfasting

[App page](https://appshunter.io/ios/app/interfasting/id6751507755)

This app helps users achieve wellness goals through intermittent fasting. It offers custom fasting plans, real-time progress tracking, and detailed statistics on fasting success and weight changes. The app prioritizes privacy with local data storage and no account creation required.

**Highlights:** Custom fasting plans (16:8, 18:6, 20:4), Real-time progress countdown, Session history and statistics, Weight tracking and visualization, Success/failure tracking, Data export for healthcare providers, Local data storage for privacy

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InterFasting Pro | $9.99 | per month |
| InterFasting Pro (Yearly) | $108.99 | per year |


## Frequently asked questions

### Is Sphere free?

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

### Is interfasting free?

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

### Which has better reviews, Sphere or interfasting?

Sphere and interfasting are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Sphere or interfasting have ads?

Neither Sphere nor interfasting shows ads.

### Which is updated more often, Sphere or interfasting?

Sphere ships an update monthly, and interfasting every 5 days. Most recently, Sphere was updated on October 6, 2026 and interfasting on October 9, 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.*