# Prime vs Keto Tracker

The clearest difference is price: Prime at Free against Keto Tracker's $5.99. Keto Tracker's advantage is in-app purchases (none vs 10) and update cadence (every 5 days vs every 3 weeks). On ads, device support and iOS requirement there is nothing between them.

Prime is free to download; Keto Tracker costs $5.99 up front. Prime sells 9 in-app purchases, starting at $9.99 per month. Keto Tracker asks for nothing beyond the download.

Prime ships an update every 3 weeks, Keto Tracker every 5 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Prime | Keto Tracker |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 323 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Sergei Sharov](https://appshunter.io/developer/1636640394) | [eli VAKNIN](https://appshunter.io/developer/1098071830) |

## 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 (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPECIAL DISCOUNT OFFER | $9.99 | per month |
| Premium Subscription | $14.99 | per month |
| Premium Subscription | $19.99 | per month |
| 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


### Keto Tracker

[App page](https://appshunter.io/ios/app/keto-tracker/id6504332466)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prime free?

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

### Is Keto Tracker free?

Keto Tracker costs $5.99, with no in-app purchases.

### Do Prime or Keto Tracker have ads?

Neither Prime nor Keto Tracker shows ads.

### Which is updated more often, Prime or Keto Tracker?

Prime ships an update every 3 weeks, and Keto Tracker every 5 days. Most recently, Prime was updated on November 3, 2026 and Keto Tracker on November 4, 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.*