# Fastin vs Fasting Tracker by Numify

The clearest difference is monetization model: Fasting Tracker by Numify at free with in-app purchases against Fastin's subscription. Fasting Tracker by Numify also leads on review sentiment (61% vs 33%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Fastin sells 10 in-app purchases, starting at $4.49 per 7 days and Fasting Tracker by Numify sells 19 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Fastin against 4.7 for Fasting Tracker by Numify. Both are backed by a comparable volume of ratings — 10K and 5.9K respectively. Written reviews are what separate them: 33% of Fastin's written reviews are positive against 61% of Fasting Tracker by Numify's.

Fastin ships an update every 3 weeks, Fasting Tracker by Numify monthly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Fastin | Fasting Tracker by Numify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10K ratings)](https://appshunter.io/ios/app/fastin-intermittent-fasting/id1526416889/reviews)** | [4.7 (5.9K ratings)](https://appshunter.io/ios/app/fasting-tracker-by-numify/id6470460463/reviews) |
| Number of ratings | **10K** | 5.9K |
| Positive reviews | 33.3% of reviews | **60.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 243 MB | 159 MB |
| Requires iOS | **16.6** | 17.5 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Bongmi Global Group](https://appshunter.io/developer/1526416891) | [Municorn Limited](https://appshunter.io/developer/380984285) |

## What reviewers say

### Fastin

[App page](https://appshunter.io/ios/app/fastin-intermittent-fasting/id1526416889)

This app guides you through intermittent fasting for weight loss and improved health. It offers personalized plans, tracking tools for food, weight, water, sleep, and activity, along with educational courses on fasting and nutrition. Visualize your progress with detailed statistics to stay motivated on your journey.

**Highlights:** Personalized fasting plans, Food, weight, water, sleep, and activity tracking, Fasting and nutrition courses, Progress statistics and charts, Step-by-step fasting guidance, Meal journal for mindful eating

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastingPrime1Weekly | $4.49 | per 7 days |
| PrimeWeekly | $6.99 | per 7 days |
| Fasting Prime | $6.99 | per 7 days |
| PrimeMonthly | $9.99 | per month |
| PrimeWeekly | $9.99 | per 7 days |
| Fasting Prime | $9.99 | per month |
| PrimeQuarterly | $19.99 | per 3 months |
| Fasting Prime | $29.99 | per year |
| PrimeQuarterly | $29.99 | per 3 months |
| PrimeYearly | $49.99 | per year |

**What reviewers like**

- ⭐ Excellent app
- 👍 Easy to use
- 🔍 Helpful for weight loss
- 🔍 Motivational
- 🔍 Informative

**What reviewers complain about**

- 💰 Paid subscription required
- 🔍 Limited food database
- 🔍 Inaccurate calorie tracking
- 🔍 Confusing or unintuitive interface
- 🐛 Bugs and glitches

**Reported bugs**

- Fasting timer resets unexpectedly
- App crashes or freezes
- Sync and login issues
- Inability to edit past fasts

**Requested features**

- Ability to scan barcodes for nutrition info
- More recipes and meal planning options
- Integration with fitness trackers
- Customizable fasting schedules
- Better data tracking and analysis


### Fasting Tracker by Numify

[App page](https://appshunter.io/ios/app/fasting-tracker-by-numify/id6470460463)

This app guides users through intermittent fasting for weight loss and improved health. It offers simple tracking, personalized plans, and smart notifications to help establish healthy habits without restrictive diets.

**Highlights:** Intermittent fasting guidance, Weight loss without restrictive diets, OMAD and 16/8 timer options, Effortless tracking, Smart notifications, Personalized fasting plans

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasting Plus | $3.99 | per 7 days |
| Fasting Plus | $3.99 | per 7 days |
| Fasting Plus | $4.99 | per 7 days |
| Premium features | $5.99 | per 7 days |
| Fasting Plus | $5.99 | per 7 days |
| Fasting Plus | $5.99 | per 7 days |
| Lose Weight with a Fasting App | $5.99 | per 7 days |
| Plus | $9.99 | per 7 days |
| Premium features | $14.99 | per month |
| Fasting Plus | $19.99 | per 3 months |
| Plus | $29.99 | per 3 months |
| Fast Tracker for Fasting Clock | $29.99 | per 3 months |
| Fasting Special Offer | $39.99 | per year |
| Fasting Plus | $49.99 | per year |
| Fasting Plus | $49.99 | per year |
| Premium features | $59.99 | per year |
| Premium features | $59.99 | per year |
| Fasting Tracker & Fast Timer | $69.99 | per year |
| Fasting Tracker & Fast Timer | $69.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for beginners
- 💡 Customizable fasting schedules
- 🚀 Convenient and portable
- 👍 Effective for weight loss and health

**What reviewers complain about**

- 🔒 Paywall for basic features
- 🐛 Bugs and glitches
- 🔒 Deceptive free trial
- 🐛 Unreliable data tracking
- 🔒 Expensive subscription

**Reported bugs**

- Incorrect date and time display
- Inability to edit personal information
- Inconsistent data saving and syncing
- Frequent crashes and app not opening

**Requested features**

- Add 18:6 fasting option
- Include meal logging and nutrition tracking
- Provide more fasting protocols and customization
- Improve notifications and reminders


## Frequently asked questions

### Is Fastin free?

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

### Is Fasting Tracker by Numify free?

Fasting Tracker by Numify is free to download, with in-app purchases available.

### Which has better reviews, Fastin or Fasting Tracker by Numify?

Fastin is rated higher. Fastin averages 4.8 out of 5 from 10K ratings, while Fasting Tracker by Numify averages 4.7 from 5.9K ratings.

### Do Fastin or Fasting Tracker by Numify have ads?

Neither Fastin nor Fasting Tracker by Numify shows ads.

### Which is updated more often, Fastin or Fasting Tracker by Numify?

Fastin ships an update every 3 weeks, and Fasting Tracker by Numify monthly. Most recently, Fastin was updated on October 29, 2026 and Fasting Tracker by Numify on October 29, 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.*