# 图片格式转换 vs FlowLedger

The clearest difference is in-app purchases: FlowLedger at none against 图片格式转换's 3. FlowLedger also leads on update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 图片格式转换 sells 3 in-app purchases, starting at $3.99 per month. FlowLedger asks for nothing beyond the download.

图片格式转换 ships an update weekly, FlowLedger every 3 days. The most recent releases landed on September 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 图片格式转换 | FlowLedger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 61 MB | 13 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [子豪 张](https://appshunter.io/developer/1625809217) | [Nagur Basha](https://appshunter.io/developer/1881258633) |

## What reviewers say

### 图片格式转换

[App page](https://appshunter.io/ios/app/id6446273369)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month Membership | $3.99 | per month |
| Season Membership | $9.99 | per 3 months |
| Year Membership | $19.99 | per year |


### FlowLedger

[App page](https://appshunter.io/ios/app/flowledger-personal-spend-log/id6761587698)

**In-app purchases:** none


## Frequently asked questions

### Is 图片格式转换 free?

图片格式转换 is free to download, with in-app purchases available.

### Is FlowLedger free?

FlowLedger is free to download, with no in-app purchases.

### Do 图片格式转换 or FlowLedger have ads?

Both 图片格式转换 and FlowLedger show ads.

### Which is updated more often, 图片格式转换 or FlowLedger?

图片格式转换 ships an update weekly, and FlowLedger every 3 days. Most recently, 图片格式转换 was updated on September 14, 2026 and FlowLedger on October 15, 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.*