# 積DROP vs Shiori

積DROP and Shiori are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 積DROP sells 4 one-off in-app purchases and Shiori sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

積DROP ships an update every 9 days, Shiori every 10 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 積DROP | Shiori |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Size | 57 MB | 1 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ForeGroove Inc.](https://appshunter.io/developer/1837127960) | [shinya takayanagi](https://appshunter.io/developer/1888172658) |

## What reviewers say

### 積DROP

[App page](https://appshunter.io/ios/app/drop/id6781525555)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Small Coffee | $0.49 | one-time |
| A Light Meal | $2.99 | one-time |
| A Lunch | $5.99 | one-time |
| A Dinner Treat | $11.99 | one-time |


### Shiori

[App page](https://appshunter.io/ios/app/shiori-manga-volume-tracker/id6790822656)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


## Frequently asked questions

### Is 積DROP free?

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

### Is Shiori free?

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

### Do 積DROP or Shiori have ads?

Neither 積DROP nor Shiori shows ads.

### Which is updated more often, 積DROP or Shiori?

積DROP ships an update every 9 days, and Shiori every 10 days. Most recently, 積DROP was updated on October 31, 2026 and Shiori on November 6, 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.*