Jumtradng
Naoki Shimizu Productivity iPhoneiPadiPod touch
Jumtradng is a free Productivity app for iPhone and iPad by Naoki Shimizu. Requires iOS 15.0. Updated August 18, 2026.
- Price
- Free
- on the App Store
- Size
- 2 MB
- Age 4+
- Updated
- Aug 18
- 2026 · v1.0.2
Screenshots
About Jumtradng
1. launch the app after a fresh install. Do not complete onboarding because none is presented. Expected: On cold launch, Jumtradng enters the live workspace directly and shows exactly two Starter records. 2. Open either Starter receipt, choose its edit action, change one value, and complete it with `Resolve Moment`. Expected: The edited Starter converts to Yours, its Moment Receipt updates, and the other Starter remains independently removable. 3. Tap `Intercept a Moment`, enter a new impulse-purchase record, select Redirect, and tap `Resolve Moment`. This is the Gate Fold signature motion. After Resolve Moment, the gate closes toward the chosen response, the saved receipt appears, and Cost Knot reflects the new trigger cost. Expected: The record commits before the finite 0.46-second path, rotation, and scale sequence, then the receipt appears without blocking workspace access. 4. Close and reopen the app after creating the record, then open `COST KNOT`. Expected: The reviewer-created record persists after relaunch, the decision visualization includes its trigger, and Improvement Proof recalculates from stored data. 5. In a new Choice Moment, tap `TAKE PHOTO` and respond to the camera access permission. The matching purpose strings are NSCameraUsageDescription and NSPhotoLibraryUsageDescription. Expected: On a physical iPhone, the system camera opens on demand; cancelling returns to the editor without changing the local archive. 6. Tap `CHOOSE PHOTO`, select one image in the system photo picker, and return to the editor. Jumtradng does not request full photo library access and stores the selected local attachment under Application Support. Expected: A new-evidence seal appears, the saved receipt can display that image, and removing the attachment deletes the local image file. 7. Open `LOCAL CARE` and review `PRIVACY` and `SUPPORT`, then use `REMOVE STARTER ITEMS` and confirm `Remove Starter Items`. Expected: The privacy and support paths remain available, both Starter records are removed, and they do not return after relaunch. 8. Delete the final reviewer-created Moment Receipt with `Delete Moment`. Expected: The true empty state appears with one Intercept action and no residual Starter or user record.
App privacy
The developer, Naoki Shimizu, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Jumtradng | – | Free | August 18, 2026 | |
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