# MonogusaKun vs SHIFTAR

The clearest difference is in-app purchases: MonogusaKun at none against SHIFTAR's 11. MonogusaKun also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). On price and device support there is nothing between them.

Both are free to download. SHIFTAR sells 11 in-app purchases, starting at $1.99 per month. MonogusaKun asks for nothing beyond the download.

MonogusaKun ships an update every 3 days, SHIFTAR monthly. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MonogusaKun | SHIFTAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (572 ratings)](https://appshunter.io/ios/app/shiftar-work-schedule-planner/id1441499274/reviews)** |
| Number of ratings | — | **572** |
| Positive reviews | — | 75.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 132 MB |
| Requires iOS | **11.4** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masato Kanazawa](https://appshunter.io/developer/1110570349) | [Kosuke Hamada](https://appshunter.io/developer/515812363) |

## What reviewers say

### MonogusaKun

[App page](https://appshunter.io/ios/app/monogusakun/id1145708726)

**Features:** macOS Compatibility

**In-app purchases:** none


### SHIFTAR

[App page](https://appshunter.io/ios/app/shiftar-work-schedule-planner/id1441499274)

Easily manage your work shifts and personal appointments in one intuitive calendar. Quickly input shift details, track your earnings, and sync with your existing iCloud calendar. Premium features include widgets, data backup, and advanced color customization.

**Highlights:** Quick shift entry with pre-set buttons, Automatic salary calculation, iCloud Calendar synchronization, Daily/weekly schedule widgets, Automatic data backup, Expanded color coding options, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SHIFTAR Premium monthly | $1.99 | per month |
| Premium monthly with trial | $1.99 | per month |
| SHIFTAR Premium | $1.99 | per month |
| SHIFTAR Premium | $1.99 | per month |
| SHIFTAR Premium | $1.99 | per month |
| SHIFTAR Premium | $1.99 | per month |
| SHIFTAR Premium | $8.99 | per year |
| SHIFTAR Premium annual | $8.99 | per year |
| Premium annual with trial | $8.99 | per year |
| Premium annual with trial | $16.49 | per year |
| SHIFTAR Premium annual | $16.49 | per year |

**What reviewers like**

- 👍 Easy and intuitive to use
- 🎨 Color-coding for shift organization
- ⚡ Quick one-click shift entry
- 📱 Useful for shift workers and nurses
- 💰 Wage calculator feature

**What reviewers complain about**

- 💸 Paywall for colors and premium features
- 📺 Unexpected ads despite paid version
- 🐛 Data loss issues after updates
- ❌ No MacBook/desktop version
- 🔗 Limited calendar syncing options

**Reported bugs**

- Complete data loss after app updates
- Random deletion of calendar entries
- App crashes on launch
- Unable to access app after update
- Sync failures across devices

**Requested features**

- Date search function for quick navigation
- App icon with current date display
- Partner/family sharing system
- Multiple user schedule management
- Weekly pay period option


## Frequently asked questions

### Is MonogusaKun free?

MonogusaKun is free to download, with no in-app purchases.

### Is SHIFTAR free?

SHIFTAR is free to download, with in-app purchases available.

### Do MonogusaKun or SHIFTAR have ads?

SHIFTAR shows ads; MonogusaKun does not.

### Which is updated more often, MonogusaKun or SHIFTAR?

MonogusaKun ships an update every 3 days, and SHIFTAR monthly. Most recently, MonogusaKun was updated on October 12, 2026 and SHIFTAR on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*