Comparison

Plank vs EmailToFuture Time Capsules

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

Head to head
About

Plank

This app guides users through effective plank exercises and challenges to build core strength and improve posture. It offers customizable plans, audio guidance, and progress tracking to help users achieve their fitness goals.

Highlights
  • Effective plank workouts
  • Challenging fitness routines
  • Customizable workout plans
  • Variety of plank styles
  • Audio guidance during workouts
  • Detailed progress tracking
  • Integrated workout calendar
Features
Read full description

"Welcome to Plank Power, your ultimate companion for achieving a strong and toned core through the power of plank exercises! Are you ready to transform your fitness journey? Look no further. Plank Power is designed to guide you towards a healthier, stronger you with a series of effective plank workouts and challenges. Key Features: Effective Plank Workouts: Our app offers a diverse range of plank exercises tailored to different fitness levels, from beginners to advanced enthusiasts. Whether you're looking to kickstart your fitness journey or take your core strength to the next level, our workouts are designed to help you achieve your goals. Challenging Routines: Take on exciting challenges that test your endurance and core strength. Our fitness challenges are a perfect way to track your progress and see tangible results. Customizable Plans: Tailor your plank workouts to your fitness level and schedule. Whether you have just a few minutes or a full workout session, Plank Power has options for you. Variety of Plank Styles: From forearm planks to side planks and beyond, our app introduces you to a variety of plank styles that target different areas of your core muscles. Keep your routine engaging and effective. Audio Guidance: Enjoy step-by-step instructions and audio guidance during your workouts. Let our experienced trainers motivate and guide you through each plank, ensuring proper form and maximizing results. Progress Tracking: Witness your growth with detailed progress tracking. Monitor your achievements and improvements over time, so you stay motivated and engaged. Workout Calendar: Plan your workouts in advance with our integrated workout calendar. Stay consistent and accountable on your fitness journey. Core Strength Benefits: Plank exercises are known to improve core strength, stability, and posture. Experience enhanced endurance and a stronger core that supports you in everyday activities. Educational Resources: Learn about the science behind plank exercises, proper form, and the benefits they bring to your overall fitness routine. Empower yourself with knowledge as you work towards your goals. Are you ready to embark on a journey to a stronger, healthier core? Download Plank Power now and discover the incredible benefits of effective plank workouts. Say hello to a fitter you!"

About

EmailToFuture Time Capsules

Schedule emails to yourself or others to be delivered years into the future. Create digital time capsules with attachments, track their delivery, and revisit past messages when the time is right.

Highlights
  • Schedule emails up to 10 years ahead
  • Create digital time capsules
  • Attach images, videos, audio, and documents
  • Send to multiple recipients
  • Track pending and delivered messages
  • Cross-device account sync
Features
Read full description

Whether you want to write a letter to your future self, set goals, save a memory, or surprise someone you care about, EmailToFuture makes it simple to schedule a future email and open it later. WHAT YOU CAN DO Create time capsules and schedule email delivery up to 10 years into the future. Write today, then rediscover your thoughts, goals, and memories when your future self is ready. KEY FEATURES • Email to future self - schedule letters for tomorrow or years ahead • Digital time capsules delivered straight to the inbox • Attachments - add images, videos, audio, and documents • Multiple recipients - share one capsule with up to 10 people you choose • Capsule dashboard - track pending and delivered messages HOW EMAILTOFUTURE WORKS 1. Write your message to your future self and chosen recipients. 2. Select a delivery date (and time when you need it). 3. Add attachments if you want photos or files in the capsule. 4. Schedule it. Your digital time capsule is on its way. 5. You can't open the capsule before it's delivery date. 6. Time capsule arrives via email. 7. Revisit the capsule in the app and write a reflection. USE CASES PEOPLE LOVE Email to future self for New Year goals. Time capsule letters for birthdays. Messages of encouragement before a hard season. Shared capsules for couples, friends, classmates, or teams. Personal notes that arrive later - when the words matter most. WHY EMAILTOFUTURE EmailToFuture is built for people who want a clear, private way to send future emails. Write, schedule, and receive a message from your past when the date arrives. Your mobile app uses the same EmailToFuture account as the website, so your capsules stay with you across devices. Create your first digital time capsule in minutes. Support: support@emailtofuture.com Website: https://www.emailtofuture.com Privacy Policy: https://www.emailtofuture.com/privacy-policy Terms of Service: https://www.emailtofuture.com/terms-of-service

Screenshots

Plank4 screens
EmailToFuture Time Capsules4 screens

Verdict

The call

The clearest difference is rating: EmailToFuture Time Capsules at 5.0 against Plank's 3.0. Plank's advantage is iOS requirement (13.0 vs 16.4). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

EmailToFuture Time Capsules holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

UpkeepUpdate frequency

Plank ships an update every 10 days, EmailToFuture Time Capsules fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Plank versus EmailToFuture Time Capsules: the parameters behind the verdict, then further details
ParameterPlankEmailToFuture Time Capsules
PriceFreeFree
Rating3.0 (4 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings4 — better2
Update frequencyEvery 10 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size22 MB64 MB
Age rating17+4+
DeveloperZain Alimondov, s. r. o.

In-app purchases

None

Plank

No in-app purchases

None

EmailToFuture Time Capsules

No in-app purchases

Questions

Is Plank free?
Plank is free to download, with no in-app purchases.
Is EmailToFuture Time Capsules free?
EmailToFuture Time Capsules is free to download, with no in-app purchases.
Which has better reviews, Plank or EmailToFuture Time Capsules?
EmailToFuture Time Capsules is rated higher. Plank averages 3.0 out of 5 from 4 ratings, while EmailToFuture Time Capsules averages 5.0 from 2 ratings.
Do Plank or EmailToFuture Time Capsules have ads?
Neither Plank nor EmailToFuture Time Capsules shows ads.
Which is updated more often, Plank or EmailToFuture Time Capsules?
Plank ships an update every 10 days, and EmailToFuture Time Capsules fortnightly. Most recently, Plank was updated on October 24, 2026 and EmailToFuture Time Capsules on October 25, 2026.

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