# Kigen Log vs GasPi

The clearest difference is in-app purchases: GasPi at none against Kigen Log's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kigen Log sells 4 in-app purchases, starting at $1.99 per month. GasPi asks for nothing beyond the download.

Kigen Log ships an update monthly, GasPi every 3 weeks. The most recent releases landed on October 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Kigen Log | GasPi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kigen-log-expiration-tracker/id6760212804/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 43 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin Illuso Information Technology Co., Ltd.](https://appshunter.io/developer/1864792206) | [Robert JOVANOVIC](https://appshunter.io/developer/6782315089) |

## What reviewers say

### Kigen Log

[App page](https://appshunter.io/ios/app/kigen-log-expiration-tracker/id6760212804)

Effortlessly manage home inventory, from groceries to medications and cosmetics. This app uses AI to scan expiration dates and provides timely reminders to prevent waste and ensure safety. Organize your pantry, fridge, medicine cabinet, and beauty products with custom categories and offline data storage.

**Highlights:** AI Date Scanner, Pantry & Fridge Inventory, Skincare PAO Tracker, Medicine Cabinet Organizer, Smart Expiry Reminders, Custom Categories, 100% Offline Data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Monthly | $2.99 | per month |
| Yearly | $14.99 | per year |
| Lifetime | $34.99 | one-time |


### GasPi

[App page](https://appshunter.io/ios/app/gaspi-check/id6782315087)

**In-app purchases:** none


## Frequently asked questions

### Is Kigen Log free?

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

### Is GasPi free?

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

### Do Kigen Log or GasPi have ads?

Neither Kigen Log nor GasPi shows ads.

### Which is updated more often, Kigen Log or GasPi?

Kigen Log ships an update monthly, and GasPi every 3 weeks. Most recently, Kigen Log was updated on October 18, 2026 and GasPi on September 17, 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.*