# Prime vs Fasting Diary

The clearest difference is iOS requirement: Fasting Diary at 13.0 against Prime's 17.6. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Prime sells 10 in-app purchases, starting at $9.99 per month and Fasting Diary sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Prime ships an update every 3 weeks, Fasting Diary fortnightly. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Prime | Fasting Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.6K ratings)](https://appshunter.io/ios/app/prime-intermittent-fasting/id1534126998/reviews)** | — |
| Number of ratings | **4.6K** | — |
| Positive reviews | 42.9% of reviews | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 323 MB | 63 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Sergei Sharov](https://appshunter.io/developer/1636640394) | [Dimo Co.,Ltd.](https://appshunter.io/developer/495557603) |

## What reviewers say

### Prime

[App page](https://appshunter.io/ios/app/prime-intermittent-fasting/id1534126998)

This app offers a tailored intermittent fasting experience for women, featuring a fasting tracker, weight monitoring, and personalized guidance. It helps users achieve fitness goals, manage weight, and understand the health benefits of fasting with a focus on women's specific needs.

**Highlights:** Fasting tracker (16:8 protocol), Weight tracker, Water tracker with reminders, Personalized daily recommendations, Body status tracking, Fasting/eating interval stats, Community club

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPECIAL DISCOUNT OFFER | $9.99 | per month |
| Premium Subscription | $14.99 | per month |
| Premium Subscription | $19.99 | per month |
| Premium Subscription | $24.99 | per 3 months |
| Premium Subscription | $29.99 | per 3 months |
| Premium Subscription | $39.99 | per year |
| Premium Subscriptions | $39.99 | per 3 months |
| Premium Subscription | $49.99 | per year |
| Premium Subscription | $59.99 | per year |
| Premium Subscription | $69.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful for weight loss
- 💡 Useful visual references
- 👍 Responsive customer support
- 👍 Motivating progress tracking

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Buggy and laggy
- 🔍 Lacking in-depth features
- 💰 Misleading about free options
- 🗣️ Poor chat functionality

**Reported bugs**

- Lost user progress and data
- Subscription issues and lack of refunds
- Unresponsive start/stop fasting buttons
- Incorrect weight and fasting time tracking

**Requested features**

- Sync with fitness trackers
- More varied meal plans and recipes
- Ability to manually adjust fasting times
- Customizable notifications and reminders
- Integration with calorie tracking


### Fasting Diary

[App page](https://appshunter.io/ios/app/fasting-diary-if-tracker/id6483368664)

This app helps users achieve their weight loss and health goals through intermittent fasting. It provides guidance, motivation, and customizable fasting schedules to support users in burning fat, boosting energy, and improving metabolic health.

**Highlights:** Customizable fasting schedules, Plans for beginners and experts, One-tap start/stop for fasting, Adjustable eating and fasting times, Fasting alerts and reminders

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $0.99 | per month |
| Pro 3 months | $1.99 | per 3 months |
| Pro yearly | $2.99 | per year |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is Prime free?

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

### Is Fasting Diary free?

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

### Do Prime or Fasting Diary have ads?

Neither Prime nor Fasting Diary shows ads.

### Which is updated more often, Prime or Fasting Diary?

Prime ships an update every 3 weeks, and Fasting Diary fortnightly. Most recently, Prime was updated on October 27, 2026 and Fasting Diary on October 15, 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.*