# Cosper

> Cosper (iPhone/iPad app by Jin Kim.)

- Source: https://appshunter.io/ios/app/cosper/id410245581 (this page in markdown: same URL + `.md`)
- Developer: [Jin Kim](https://appshunter.io/developer/380483649)
- Category: Finance, Lifestyle
- Price: $1.99
- Age rating: 4+
- Requires: iOS 10.0 · 13 MB
- Languages: American English, Japanese
- Released: 2011-01-13
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/cosper/id410245581/reviews.md

## What is Cosper?

is this worth $xxxx? 

This App calculates Simple Cost Efficiency to help to find out if product is worth for what you paid. 
You input Product name, price, date and how many time you have used, then list shows its cost per day or per use. 

◎ How to use

□ Main View
◆ Navigation Bar 
- Double Tap/Swipe: to Move around pages (sort by date, with star, Hot/Soft/Cool colors) 
- Long Tap: Change sort within. by cost/day or defaults. 

※ when list is sorted by price per day/times. Navbar title willl have dots.
 (eg.) ・Cool Items・ 
 
◆ Cell
- Left Side Tap: Change Color of Bar 
- Center DoubleTap: Edit Item 
- Right Side Tap: 
—- Daily use: 
—-- (on)  shows days that you hold the item on left bottom 
—-- (off) shows counter upper left and Another Tap to COUNT UP. 
- swipe to Delete 

□ Edit View 
-Date: tap to edit
-name 
-memo 
-price 
-counter 
-switch on/off daily use 
--on : price/days 
--off: price/counter 
-put star for favorite items 

□ App Setting [Home > Settings > Cosper]
- you can change title of navigation bar.

◇ Lite Version: 
- Limited number of list. ( Main and Favorite) 
- Ad will be displayed on the top of list.
 
◇ If there are Bugs and suggestions, please contact me from "Report a Problem" or Support Page with your iOS version and model.

□ ■ Thank you & Be Happy ■□


## Version history (last 5 releases)

### 1.10.0 — 2020-07-28

support for iOS12.

### 1.9.3 — 2016-09-08

Add: Settings for showing Price on Navigation Bar
Fix: minor bug

### 1.9.2 — 2016-08-23

Add
+ Show total on Catagory sort with long-tap.
+ CutEdge button at right-bottom on Memo.

### 1.9.1 — 2016-07-30

fix minor bugs on Setting.

### 1.9.0 — 2016-07-07

Add
- DarkMode
- No longer used Item List（Swipe-up navigation bar to go to List、swipe right/left to get out）

Fix: Name and price over wrapping 

Change
- renew Icon
- Layout on DetailView
- support iOS9.1 and up

- remove transparency setting from Settings

- rewrite with swift

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## More apps by Jin Kim

- [Dandori](https://appshunter.io/ios/app/dandori/id395682358)
- [littlist](https://appshunter.io/ios/app/littlist/id399733845)
- [Multiple Kitchen Timer- Tapas](https://appshunter.io/ios/app/multiple-kitchen-timer-tapas/id412387621)
- [Project Manager - Dandori Lite](https://appshunter.io/ios/app/project-manager-dandori-lite/id413024498)
- [Cosper Lite](https://appshunter.io/ios/app/cosper-lite/id413970091)

All apps by Jin Kim: https://appshunter.io/developer/380483649

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*