Comparison

Fasting Tracker & Plan vs Shifting Source

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fasting Tracker & Plan

Features
Read full description

Faylo is your personal intermittent fasting tracker. Build a routine that fits your day and see your progress without the clutter. • Start and stop your fasting timer with one tap • Choose 12:12, 14:10, 16:8, 18:6 or 20:4 plans • Follow a schedule tailored to your routine and goals • Log weight and mood, then view reports and history • Stay motivated with streaks and achievements • Share completed fasts Faylo is a tracking tool and does not provide medical advice. Consult a healthcare professional before changing your diet or fasting routine. Terms and Conditions: https://bigordev.notion.site/Terms-Conditions-1f1bc43aeeee80c7a3e7d9290567a8f6 Privacy Policy: https://bigordev.notion.site/Privacy-Policy-1f1bc43aeeee80d1b1e5dd7631bbecb7

About

Shifting Source

Features
Read full description

Shifting Source brings intermittent fasting and the ketogenic diet together in one app. Built as the companion to the book The Keto & Intermittent Fasting Lifestyle, it follows the same principle: understand why it works, and the results will follow. FASTING TIMER WITH LIVE ACTIVITY • Choose 16:8, 18:6, 20:4, OMAD or your own custom window • Follow your fast right on the Lock Screen and in the Dynamic Island • See which phase your body is in along the way, explained in plain language • Extended fasting (48 to 72 hours) with a mandatory safety check before you start KETO WITHOUT THE HASSLE • Log meals with net carbs, fat and protein • TDEE calculator that gives you personal calorie and macro targets • Daily overview of your carbs against your goal TRAINING AND HABITS • Five exercises with instructions and an easier version of each • Log your sets and reps in seconds, including past days • Weekly challenges that grow with you, streaks and badges • Guided breathing exercises for calm and focus INSIGHTS • Calendar with fasts, meals, workouts and wellbeing day by day • Weight, resting heart rate, HRV and sleep from Apple Health • Trends for energy, mood and hunger over time LEARN WHY • Guides and research articles in English, Danish and Swedish • Excerpts from the book, open to everyone • All content is built on peer reviewed research YOUR DATA IS YOURS • No account and no login • Everything is stored on your device • Health data is never shared with third parties • Export or delete everything with one tap Shifting Source does not provide medical advice. Talk to your doctor before starting fasting or a ketogenic diet, especially if you are pregnant, breastfeeding or have a medical condition.

Screenshots

Fasting Tracker & Plan4 screens
Shifting Source4 screens

Verdict

The call

The clearest difference is in-app purchases: Shifting Source at none against Fasting Tracker & Plan's 2. Shifting Source also leads on update cadence (every 9 days vs every 14 months). Fasting Tracker & Plan's advantage is iOS requirement (15 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Fasting Tracker & Plan sells 2 in-app purchases, starting at $5.99 per 7 days. Shifting Source asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting Tracker & Plan ships an update every 14 months, Shifting Source every 9 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Fasting Tracker & Plan versus Shifting Source: the parameters behind the verdict, then further details
ParameterFasting Tracker & PlanShifting Source
PriceFreeFree
Update frequencyEvery 14 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15 — better26.0
Further details — not scored
Size53 MB9 MB
Age rating4+12+
DeveloperIhor BilohubovHejlsvig Consulting AB

In-app purchases

2 purchases

Fasting Tracker & Plan

Subscriptions2
  • Unlimited Access3 Days trial$5.997 Days
  • Annual$59.991 Year
None

Shifting Source

No in-app purchases

Questions

Is Fasting Tracker & Plan free?
Fasting Tracker & Plan is free to download, with in-app purchases available.
Is Shifting Source free?
Shifting Source is free to download, with no in-app purchases.
Do Fasting Tracker & Plan or Shifting Source have ads?
Neither Fasting Tracker & Plan nor Shifting Source shows ads.
Which is updated more often, Fasting Tracker & Plan or Shifting Source?
Fasting Tracker & Plan ships an update every 14 months, and Shifting Source every 9 days. Most recently, Fasting Tracker & Plan was updated on October 10, 2026 and Shifting Source on October 15, 2026.

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