# BiG One vs Forme Fasting Timer

The clearest difference is in-app purchases: BiG One at none against Forme Fasting Timer's 4. BiG One also leads on ads (none vs shown). Forme Fasting Timer's advantage is update cadence (every 2 weeks vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Forme Fasting Timer sells 4 in-app purchases, starting at $19.99 per month. BiG One asks for nothing beyond the download.

BiG One ships an update every 12 months, Forme Fasting Timer every 2 weeks. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | BiG One | Forme Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/forme-fasting-timer/id6747332352/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 119 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [NEWTON CONSULTORIA I-FORMACION S.C](https://appshunter.io/developer/1678127522) | [Catch Yazılım](https://appshunter.io/developer/1732272699) |

## What reviewers say

### BiG One

[App page](https://appshunter.io/ios/app/big-one/id6741096322)

**Features:** macOS Compatibility

**In-app purchases:** none


### Forme Fasting Timer

[App page](https://appshunter.io/ios/app/forme-fasting-timer/id6747332352)

This app helps you manage intermittent fasting and personalized nutrition. It offers AI-powered fasting plans, macro tracking, and meal logging to support weight loss and overall health goals.

**Highlights:** AI-powered fast planning, Personalized nutrition planning, Macro and calorie tracking, Meal scanning and logging, Visual progress diary, Optimized for women's health

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Membership | $19.99 | per month |
| Plus Membership | $39.99 | per 3 months |
| Plus Membership | $79.99 | per year |
| Plus Membership | $79.99 | per year |


## Frequently asked questions

### Is BiG One free?

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

### Is Forme Fasting Timer free?

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

### Do BiG One or Forme Fasting Timer have ads?

Forme Fasting Timer shows ads; BiG One does not.

### Which is updated more often, BiG One or Forme Fasting Timer?

BiG One ships an update every 12 months, and Forme Fasting Timer every 2 weeks. Most recently, BiG One was updated on October 10, 2026 and Forme Fasting Timer on September 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.*