Comparison

Image resizer, converter iSize vs Day by Data

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

Head to head
About

Image resizer, converter iSize

This app allows you to precisely resize, crop, and transform photos. It supports batch processing, metadata editing, and exporting in various formats and sizes, making it ideal for social media, printing, and graphic design.

Highlights
  • Advanced resizing modes
  • Batch processing
  • Export in multiple sizes
  • Metadata editing
  • Transparent image support
  • Live previews
  • Customizable presets
Features
Read full description

iSize: Advanced Image Converter Effortlessly resize, crop, transform, and print your photos with precision. Edit metadata, prepare images for social media, or handle professional graphic design tasks—all in one flexible tool. Key Features • Advanced Resize: Choose how to handle the image aspect ratio change, enlarge images, and more. • Batch Resize: Process multiple images at once to save time. • Export in Multiple Sizes: Create images for every need, for example @2x and @3x. • Seamless Import: Pull images from Photos, Files, or your camera. • Transparent Image Support: Perfect for logos and design work. • Live Previews: See pixel dimensions, megapixels, and file size before exporting. • Time-Saving Presets: Customize and sync presets across your devices via iCloud. • Metadata Editing: View and modify EXIF, IPTC, GPS data, and more. • Printing: Print at exact dimensions or scale to fit the page. Try it for free! ---- Advanced Resizing Modes Tailor image size to your needs with these flexible options: • Define width, height, or both. • Set resolution by megapixels (e.g., create a 5 MP image). • Limit file size (e.g., keep images under 1 MB). Handle aspect ratio changes with: • Cropping (customize to your liking). • Deformation. • Border addition in any color. For small images, enlarge with AI or add borders to meet size requirements. Define dimensions in: • Pixels, percentages, inches, centimeters, or millimeters. For printing, specify resolution in: • Pixels per inch (PPI). • Pixels per centimeter (PPCM). Set file size limits in: • Bytes, kilobytes (KB), kibibytes (KiB), megabytes (MB), or mebibytes (MiB). ---- Supported Formats Save images in: • JPEG, HEIC (iPhone 7 or later), TIFF, PNG, GIF, or BMP. Customize format-specific settings: • Compression quality for JPEG and HEIC. • Lossless compression for TIFF. Control file size with precise format adjustments. ---- Terms of Use: https://veprit.com/eula.html Privacy Policy: https://veprit.com/VeprIT-PrivacyPolicy.pdf

About

Day by Data

Transform your personal data into unique visual art. Connect health and music streaming services to create shareable art pieces that tell your story. Explore your achievements and relive your favorite moments through beautiful visualizations.

Highlights
  • Personal data visualization
  • Health data integration
  • Spotify data integration
  • Customizable art pieces
  • Achievement tracking
  • Data calendar
Read full description

Introducing Day by Data – the app that transforms your everyday data into beautiful visualizations and personalized art pieces, making each moment a story worth sharing. Want to know how many steps you took last year? Generate your Day by Data Receipt and see your achievements. Curious about your top song on Spotify? Dive into Top Ten to relive your soundtrack. And for those peak moments, check out Step High Scores to see your most active days of all time. Day by Data brings your personal stats to life, turning routine numbers into meaningful visuals that inspire reflection and spark conversations. HOW IT WORKS: 1. Download the app 2. Connect your Health or Spotify data 3. Make your visualizations! OTHER FEATURES INCLUDE: 1. Health milestones -- track your progress for your year to date or all time with your steps, distance traveled, and your elevation climbed. 2. Spotify ID to see your in-depth Spotify artists play data. 3. Your data calendar for all past days! I'm Pete, the one-man-team behind the app! Give the app a try and let me know what you think! I want to continue to evolve the apps' visualizations and data available with your input over time. Application Terms of Use can be found here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Details can be found here: https://daybydata.app/privacy

Screenshots

Image resizer, converter iSize4 screens
Day by Data4 screens

Verdict

The call

The clearest difference is review sentiment: Day by Data at 100% against Image resizer, converter iSize's 75%. Day by Data also leads on rating (4.9 vs 4.6) and update cadence (weekly vs every 3 weeks). Image resizer, converter iSize's advantage is ratings volume (134 vs 16) and iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and monetization model 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. Image resizer, converter iSize sells 5 in-app purchases, starting at $4.99 per 7 days and Day by Data sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Day by Data holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Image resizer, converter iSize has 134 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 75% of Image resizer, converter iSize's written reviews are positive against 100% of Day by Data's.

UpkeepUpdate frequency

Image resizer, converter iSize ships an update every 3 weeks, Day by Data weekly. The most recent releases landed on September 22, 2026 and June 8, 2026 respectively.

Scorecard5 real differences · 5 level
Image resizer, converter iSize versus Day by Data: the parameters behind the verdict, then further details
ParameterImage resizer, converter iSizeDay by Data
PriceFreeFree
Rating4.6 (134 ratings)4.9 (16 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings134 — better16
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size198 MB41 MB
Age rating4+4+
DeveloperVeprITn-gen

Customer experience

Image resizer, converter iSize

All ratings134 ratings
Positive90.3%
Neutral5.2%
Negative4.5%
Written reviews28 reviews
Positive75.0%
Neutral10.7%
Negative14.3%

Day by Data

All ratings16 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Image resizer, converter iSize

Subscriptions4
  • iSize weekly$4.997 Days
  • iSize weekly3 Days trial$4.997 Days
  • iSize Yearly$19.991 Year
Show 1 more
  • iSize Yearly3 Days trial$19.991 Year
One-time1
  • iSize Forever$49.99
2 purchases

Day by Data

Subscriptions1
  • Day by Data Pro$1.991 Month
One-time1
  • Day by Data Lifetime$14.99

Questions

Is Image resizer, converter iSize free?
Image resizer, converter iSize is free to download, with in-app purchases available.
Is Day by Data free?
Day by Data is free to download, with in-app purchases available.
Which has better reviews, Image resizer, converter iSize or Day by Data?
Day by Data is rated higher. Image resizer, converter iSize averages 4.6 out of 5 from 134 ratings, while Day by Data averages 4.9 from 16 ratings.
Do Image resizer, converter iSize or Day by Data have ads?
Neither Image resizer, converter iSize nor Day by Data shows ads.
Which is updated more often, Image resizer, converter iSize or Day by Data?
Image resizer, converter iSize ships an update every 3 weeks, and Day by Data weekly. Most recently, Image resizer, converter iSize was updated on September 22, 2026 and Day by Data on June 8, 2026.

Other comparisons