# Sincerite vs ARK　by J's curry

Sincerite and ARK　by J's curry 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. Neither carries in-app purchases, so what you see is what you pay.

Sincerite ships an update every 39 months, ARK　by J's curry every 38 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sincerite | ARK　by J's curry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 38 months** |
| Size | 16 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [KENSEI ICHIYAMA](https://appshunter.io/developer/1500682822) | [YUICHI MIYAKI](https://appshunter.io/developer/1660173335) |

## What reviewers say

### Sincerite

[App page](https://appshunter.io/ios/app/sincerite/id1500682823)

**In-app purchases:** none


### ARK　by J's curry

[App page](https://appshunter.io/ios/app/ark-by-js-curry/id1660173333)

**In-app purchases:** none


## Frequently asked questions

### Is Sincerite free?

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

### Is ARK　by J's curry free?

ARK　by J's curry is free to download, with no in-app purchases.

### Do Sincerite or ARK　by J's curry have ads?

Neither Sincerite nor ARK　by J's curry shows ads.

### Which is updated more often, Sincerite or ARK　by J's curry?

Sincerite ships an update every 39 months, and ARK　by J's curry every 38 months. Most recently, Sincerite was updated on November 7, 2026 and ARK　by J's curry on October 30, 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.*