Comparison

Zing Sessions vs Fast

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

Head to head
About

Zing Sessions

Enhance cognitive and physical performance with personalized exercises designed to boost brainpower. This mobile app offers on-screen skill tests and physical activities based on neuroscience research to improve attention, memory, and coordination.

Highlights
  • On-the-go accessibility
  • Personalized exercise programs
  • Cognitive, emotional, and social performance training
  • Improved attention and memory
  • Enhanced coordination and spatial awareness
  • Stress management benefits
Read full description

A light version of the full app. This app has been designed to help you complete your exercises whilst on the go as it can be downloaded to a mobile or tablet to complete your sessions. Neuroscience is constantly evolving to show us how to increase our brainpower. At Zing Performance we’re passionate about bringing this possibility to EVERYONE. The Zing Performance programs are made up of on-screen skill tests and a personalized range of simple physical activities, that together, are designed to support and strengthen key parts of your brain. Research shows that stimulating specific parts of the brain using carefully chosen coordinative exercises can increase its speed and efficiency. Using this research, Zing Performance has developed a personalized online program made up of balance exercises to help improve your overall mental and physical performance. Through the brain-body connection it brings benefits to your everyday life – at school, at work, at home, and in your sports and hobbies. FEATURES: - Specifically designed to be easily accessible from anywhere when on the go. - Over 200 exercises personalized for your current development needs using our advanced algorithm. - Sleek and elegant design with fluid and lifelike animations. - Programs targeting and refining cognitive, emotional and social performance in personal and professional life. POTENTIAL RESULTS: - Stimulating the part of the brain responsible for attention, memory and coordination, making it more efficient and automatic. - Creating a balance between a fit body and mind, allowing for a more efficient management of stress. - Absorbing knowledge swiftly while effectively determining and selecting important sections of information when needed. - A greater and more precise spatial awareness. For more information, visit our website www.zingperformance.com. Download today to start your Zing Performance journey!

About

Fast

Features
Read full description

Start intermittent fasting today with Fast-E - a beautifully designed fasting timer that puts your privacy first. Every feature is completely free. No subscriptions, no ads, no account required. SIMPLE FASTING TIMER Choose from popular preset schedules - 16:8, 18:6, 20:4, or OMAD - or create your own custom fasting window. Start your fast with a single tap. A beautiful animated ring shows your progress in real time, counting down to your eating window. CUSTOM SCHEDULES Create personalized fasting schedules with any fasting-to-eating ratio. Whether you prefer 14:10, 12:12, or any other split, Fast-E adapts to your routine. TRACK YOUR PROGRESS View detailed statistics including total fasts completed, average duration, completion rate, and weekly activity. Interactive charts help you spot trends and stay motivated. BUILD YOUR STREAK Keep your momentum going with streak tracking. See how many consecutive days you've completed your fasting goal and push yourself to keep the chain going. FULL FASTING HISTORY Every fast is recorded and stored on your device. Browse your complete history, see which sessions you completed, and track your journey over time. HOME SCREEN WIDGETS Add Fast-E widgets to your home screen to see your fasting progress at a glance without opening the app. SMART NOTIFICATIONS Get reminders when your fasting window starts, when it's time to eat, and when you're halfway through. Customize notification timing to match your routine. YOUR PRIVACY MATTERS All your data stays on your device. No account creation, no cloud sync, no data collection, no analytics tracking. Fast-E works entirely offline. 100% FREE Every feature in Fast-E is available at no cost. No premium tier, no feature gates, no in-app purchases. Just download and start fasting.

Screenshots

Zing Sessions4 screens
Fast4 screens

Verdict

The call

The clearest difference is update cadence: Fast at every 2 days against Zing Sessions's every 4 months. Zing Sessions's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Zing Sessions ships an update every 4 months, Fast every 2 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Zing Sessions versus Fast: the parameters behind the verdict, then further details
ParameterZing SessionsFast
PriceFreeFree
Rating2.9 (17 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings17 — better—
Update frequencyEvery 4 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size824 MB6 MB
Age rating17+4+
DeveloperZing Performance LtdInvotek AS

In-app purchases

None

Zing Sessions

No in-app purchases

None

Fast

No in-app purchases

Questions

Is Zing Sessions free?
Zing Sessions is free to download, with no in-app purchases.
Is Fast free?
Fast is free to download, with no in-app purchases.
Do Zing Sessions or Fast have ads?
Neither Zing Sessions nor Fast shows ads.
Which is updated more often, Zing Sessions or Fast?
Zing Sessions ships an update every 4 months, and Fast every 2 days. Most recently, Zing Sessions was updated on October 2, 2026 and Fast on October 1, 2026.

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