AppBrain's verdict
Established- Rating on App Store
- 5.00
- 6 ratings
- Last updated
- January 29, 2026
- Size
- 20.7 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on 30 Day Back Ext. Challenge! for iOS
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Store listing
By Intersect, from the App StoreDescription by Intersect Written by the developer, not by AppBrain. Click to read.
Main Function
・Count Back Extension.
・Achievement days management.
・Notifications.
・Record Active Energy and Workouts to Apple Health.
How to use
・Put iPhone on floor.
・Tap screen.
・Keep your face close to iPhone screen. (Upper part) *
・Or count on iPhone screen tap.
Active Energy
・Ex. METs 3.5, Weight 50 kg, Time 10 min. (3.5 - 1) x 50 x (10 / 60) x 1.05 = 21.86 kcal.
Optional permission requests
・Apple Health: It is used to record data in Apple Health.
・Tracking: It is used to deliver personalized ads to you.
・Notifications: It is used to sending notifications.
Languages
・Japanese, English.
*Dynamic Island devices not supported
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 20.7 MB
- Content rating
- High
Technologies used by 30 Day Back Ext. Challenge!
Releases
Updates seen on the App Store- Version
- 8.0.0
- Launched
- April 2020
No changelog data
Alternatives
Similar apps and more from IntersectAlternatives to 30 Day Back Ext. Challenge!
More from Intersect
Rankings
App Store top chartsApp Store Rankings for 30 Day Back Ext. Challenge!
About the app and developer
About 30 Day Back Ext. Challenge!
30 Day Back Ext. Challenge! is a health & fitness app developed by Intersect.
User Ratings
30 Day Back Ext. Challenge! is rated 5.00 out of 5 stars. The rating is based on 6 ratings.
App Information
30 Day Back Ext. Challenge! is freely available from the App Store. The app size is 20.66 MB. The latest version available is 8.0.0. The last update was on January 29, 2026.
Technical Requirements
The app has a content rating of High Maturity. The app has been available on the App Store since April 2020.
30 Day Back Ext. Challenge! is made and published by Intersect. AppBrain is an independent app data site and isn't affiliated with Intersect. The app name, icon, screenshots and description belong to Intersect and are shown as published on the App Store.
Developer information for Intersect
Address:
Frequently asked questions about 30 Day Back Ext. Challenge!
Is 30 Day Back Ext. Challenge! free?
Yes. 30 Day Back Ext. Challenge! is free on the App Store.
Is 30 Day Back Ext. Challenge! still available?
Yes. 30 Day Back Ext. Challenge! is on the App Store, and the last update we saw was on January 29, 2026.
How large is 30 Day Back Ext. Challenge!?
30 Day Back Ext. Challenge! is 20.66 MB.
Is 30 Day Back Ext. Challenge! suitable for children?
App Store gives 30 Day Back Ext. Challenge! a high maturity rating. It is meant for adults.
How do people rate 30 Day Back Ext. Challenge!?
30 Day Back Ext. Challenge! scores 5.00 out of 5 stars, from 6 ratings on the App Store.
Who made 30 Day Back Ext. Challenge!?
30 Day Back Ext. Challenge! was developed by Intersect. It is listed in the health & fitness category on the App Store.
What are the best alternatives to 30 Day Back Ext. Challenge!?
People looking at 30 Day Back Ext. Challenge! also look at these health & fitness apps: Mizu Nomuo - water tracking, Otonosama and Otonohimesama, Gohobee Tokyo | Kawaii workout, Family Weight Tracker, WanPass - dog data management.