# PhyModel vs 礼小记：账本

The clearest difference is price: 礼小记：账本 at Free against PhyModel's $1.99. 礼小记：账本 also leads on update cadence (daily vs fortnightly) and iOS requirement (16.0 vs 27.0). On ads, in-app purchases and device support there is nothing between them.

礼小记：账本 is free to download; PhyModel costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PhyModel ships an update fortnightly, 礼小记：账本 daily. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PhyModel | 礼小记：账本 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6779900809/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 106 MB | 24 MB |
| Requires iOS | 27.0 | **16.0** |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [文庚 苏](https://appshunter.io/developer/1643312402) | [娜 李](https://appshunter.io/developer/1788016304) |

## What reviewers say

### PhyModel

[App page](https://appshunter.io/ios/app/phymodel/id1643325396)

**In-app purchases:** none


### 礼小记：账本

[App page](https://appshunter.io/ios/app/id6779900809)

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

**In-app purchases:** none


## Frequently asked questions

### Is PhyModel free?

PhyModel costs $1.99, with no in-app purchases.

### Is 礼小记：账本 free?

礼小记：账本 is free to download, with no in-app purchases.

### Do PhyModel or 礼小记：账本 have ads?

Neither PhyModel nor 礼小记：账本 shows ads.

### Which is updated more often, PhyModel or 礼小记：账本?

PhyModel ships an update fortnightly, and 礼小记：账本 daily. Most recently, PhyModel was updated on October 27, 2026 and 礼小记：账本 on October 31, 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.*