# Jiffcy vs MustPost｜マストポスト

Jiffcy and MustPost｜マストポスト 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Jiffcy | MustPost｜マストポスト |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (29 ratings)](https://appshunter.io/ios/app/jiffcy-creating-our-world/id6443536642/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 106 MB | 67 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Jiffcy Inc.](https://appshunter.io/developer/1457997263) | [Functory CO., LTD.](https://appshunter.io/developer/1815454028) |

## What reviewers say

### Jiffcy

[App page](https://appshunter.io/ios/app/jiffcy-creating-our-world/id6443536642)

This app facilitates collaborative photo creation among close friends, automatically generating collages from daily selfies. It offers a private space for authentic self-expression and strengthens bonds by building a shared world. It also provides a unique text-based communication tool that mimics the immediacy of a phone call.

**Highlights:** Collaborative photo collages, Daily selfie sharing, Private group communication, Text-based calls, Memory preservation, Authentic self-expression

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

**In-app purchases:** none


### MustPost｜マストポスト

[App page](https://appshunter.io/ios/app/mustpost/id6746151212)

**In-app purchases:** none


## Frequently asked questions

### Is Jiffcy free?

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

### Is MustPost｜マストポスト free?

MustPost｜マストポスト is free to download, with no in-app purchases.

### Do Jiffcy or MustPost｜マストポスト have ads?

Neither Jiffcy nor MustPost｜マストポスト shows ads.

### Which is updated more often, Jiffcy or MustPost｜マストポスト?

Jiffcy ships an update weekly, and MustPost｜マストポスト weekly. Most recently, Jiffcy was updated on November 12, 2026 and MustPost｜マストポスト 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.*