# CostDiary vs 小豬記帳本

The clearest difference is device support: CostDiary at 3 against 小豬記帳本's 1. CostDiary also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CostDiary sells 2 in-app purchases, starting at $0.99 per month and 小豬記帳本 sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CostDiary ships an update every 3 weeks, 小豬記帳本 every 2 weeks. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CostDiary | 小豬記帳本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/costdiary/id1055571460/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 108 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JiunJiue Liou](https://appshunter.io/developer/508043293) | [YU-WEI SHEN](https://appshunter.io/developer/1627758337) |

## What reviewers say

### CostDiary

[App page](https://appshunter.io/ios/app/costdiary/id1055571460)

Track daily expenses and record life events with text and stickers. Visualize spending with charts, manage budgets, and secure your data with password protection and iCloud backup. Supports multiple accounts and currencies.

**Highlights:** Daily expense tracking, Diary/journal with stickers, Spending visualization (charts), Budget management, Multi-account and multi-currency support, iCloud data backup, Password protection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO plan (Monthly) | $0.99 | per month |
| PRO plan (Yearly) | $7.99 | per year |


### 小豬記帳本

[App page](https://appshunter.io/ios/app/id6448906210)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基本月訂閱方案 | $1.99 | per month |


## Frequently asked questions

### Is CostDiary free?

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

### Is 小豬記帳本 free?

小豬記帳本 is free to download, with in-app purchases available.

### Do CostDiary or 小豬記帳本 have ads?

Neither CostDiary nor 小豬記帳本 shows ads.

### Which is updated more often, CostDiary or 小豬記帳本?

CostDiary ships an update every 3 weeks, and 小豬記帳本 every 2 weeks. Most recently, CostDiary was updated on October 5, 2026 and 小豬記帳本 on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*