# ModelHub vs OneDiary

The clearest difference is update cadence: ModelHub at every 4 days against OneDiary's monthly. OneDiary's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ModelHub sells 9 one-off in-app purchases and OneDiary sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ModelHub ships an update every 4 days, OneDiary monthly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ModelHub | OneDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 33 MB | 241 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Wuhan BIBA Model Manamgement Co., Ltd.](https://appshunter.io/developer/1516773641) | [OneDiary (Dongguan) Technology Co., Ltd](https://appshunter.io/developer/1609976911) |

## What reviewers say

### ModelHub

[App page](https://appshunter.io/ios/app/modelhub/id1516773642)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 AI积分 | $1.99 | one-time |
| 300 AI积分 | $3.99 | one-time |
| 自由模特分享档期码 | $7.99 | one-time |
| 800 AI积分 | $9.99 | one-time |
| 购买模特子账号 | $14.99 | one-time |
| +5 子账号额度 | $14.99 | one-time |
| 2000 AI积分 | $29.99 | one-time |
| +10 子账号额度 | $29.99 | one-time |
| +20 子账号额度 | $59.99 | one-time |


### OneDiary

[App page](https://appshunter.io/ios/app/onediary-journal-and-note/id1610312891)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneDiary Pro Monthly | $0.99 | per month |
| Pro Member Yearly | $9.99 | per year |
| One month of OneDiary Pro | $0.99 | one-time |
| OneDiary Pro Permanently | $29.99 | one-time |


## Frequently asked questions

### Is ModelHub free?

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

### Is OneDiary free?

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

### Do ModelHub or OneDiary have ads?

Neither ModelHub nor OneDiary shows ads.

### Which is updated more often, ModelHub or OneDiary?

ModelHub ships an update every 4 days, and OneDiary monthly. Most recently, ModelHub was updated on October 25, 2026 and OneDiary on October 9, 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.*