# 期限! Keep vs Mono

The clearest difference is update cadence: Mono at weekly against 期限! Keep's every 3 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. 期限! Keep sells 1 one-off in-app purchase and Mono sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

期限! Keep ships an update every 3 months, Mono weekly. The most recent releases landed on September 27, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | 期限! Keep | Mono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mono-item-tracker/id6447232127/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **91.3% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 26 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hideki Okuno](https://appshunter.io/developer/1234067922) | [BizNode Inc.](https://appshunter.io/developer/1533736018) |

## What reviewers say

### 期限! Keep

[App page](https://appshunter.io/ios/app/keep/id1319734733)

Never waste food, medicine, or coupons again due to expiration. This app simplifies inventory management by allowing easy input via barcode scanning, camera, or manual entry. Receive timely push notifications before items expire, with customizable alert timings.

**Highlights:** Barcode scanning for quick item entry, Image capture for item details, Customizable expiration date notifications, Search and filter for quick item retrieval, User-defined categories and item lists, Price comparison for online purchases

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### Mono

[App page](https://appshunter.io/ios/app/mono-item-tracker/id6447232127)

Organize your belongings with this powerful yet simple inventory management app. Easily catalog items using photos and custom fields, and quickly find what you need with smart search. Ideal for personal collections, office assets, or small business stock.

**Highlights:** Photo-based logging, Customizable fields, Smart search functionality, Track quantity and location, Versatile for personal or business use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is 期限! Keep free?

期限! Keep is free to download, with in-app purchases available.

### Is Mono free?

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

### Do 期限! Keep or Mono have ads?

Both 期限! Keep and Mono show ads.

### Which is updated more often, 期限! Keep or Mono?

期限! Keep ships an update every 3 months, and Mono weekly. Most recently, 期限! Keep was updated on September 27, 2026 and Mono on September 1, 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.*