# Bolly vs Sổ Thu Chi

The clearest difference is ads: Bolly at none against Sổ Thu Chi's shown. Bolly also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Sổ Thu Chi's advantage is update cadence (every 2 days vs every 8 days). On price and in-app purchases there is nothing between them.

Both are free to download. Bolly sells 3 in-app purchases, starting at $0.99 per 7 days and Sổ Thu Chi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bolly ships an update every 8 days, Sổ Thu Chi every 2 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bolly | Sổ Thu Chi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 67 MB | 12 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Giang Huy](https://appshunter.io/developer/1727134761) | [Dao Huy Phuong](https://appshunter.io/developer/6811304836) |

## What reviewers say

### Bolly

[App page](https://appshunter.io/ios/app/bolly-ai-expense-tracker/id6813108415)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Molly Pro Weekly | $0.99 | per 7 days |
| Lifetime Pro First Day | $4.99 | one-time |
| Lifetime Pro | $9.99 | one-time |


### 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 Bolly free?

Bolly 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 Bolly or Sổ Thu Chi have ads?

Sổ Thu Chi shows ads; Bolly does not.

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

Bolly ships an update every 8 days, and Sổ Thu Chi every 2 days. Most recently, Bolly was updated on October 13, 2026 and Sổ Thu Chi on October 24, 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.*