# Hey Monkey vs Sổ Thu Chi

The clearest difference is ads: Hey Monkey at none against Sổ Thu Chi's shown. Hey Monkey also leads on iOS requirement (15.1 vs 18.0). Sổ Thu Chi's advantage is update cadence (every 2 days vs every 5 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Hey Monkey sells 2 in-app purchases, starting at $0.99 per month and Sổ Thu Chi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hey Monkey ships an update every 5 days, Sổ Thu Chi every 2 days. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Hey Monkey | Sổ Thu Chi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 59 MB | 12 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Minh Pham](https://appshunter.io/developer/6781322624) | [Dao Huy Phuong](https://appshunter.io/developer/6811304836) |

## What reviewers say

### Hey Monkey

[App page](https://appshunter.io/ios/app/hey-monkey-expense-tracker/id6781322622)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hey Monkey Pro | $0.99 | per month |
| Hey Monkey Pro | $12.99 | per year |


### Sổ Thu Chi

[App page](https://appshunter.io/ios/app/so-thu-chi-expense-tracker/id6816637768)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| So Thu Chi Pro | $6.99 | one-time |


## Frequently asked questions

### Is Hey Monkey free?

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

### Is Sổ Thu Chi free?

Sổ Thu Chi is free to download, with in-app purchases available.

### Do Hey Monkey or Sổ Thu Chi have ads?

Sổ Thu Chi shows ads; Hey Monkey does not.

### Which is updated more often, Hey Monkey or Sổ Thu Chi?

Hey Monkey ships an update every 5 days, and Sổ Thu Chi every 2 days. Most recently, Hey Monkey was updated on October 9, 2026 and Sổ Thu Chi on October 8, 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.*