# Arrow Pop Flow vs Shadow Digits

The clearest difference is update cadence: Shadow Digits at every 4 days against Arrow Pop Flow's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arrow Pop Flow ships an update every 2 months, Shadow Digits every 4 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Arrow Pop Flow | Shadow Digits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 126 MB | 11 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [露瑶 朱](https://appshunter.io/developer/1872087006) | [Stephen Pierce](https://appshunter.io/developer/1895222840) |

## What reviewers say

### Arrow Pop Flow

[App page](https://appshunter.io/ios/app/arrow-pop-flow/id6758392367)

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

**In-app purchases:** none


### Shadow Digits

[App page](https://appshunter.io/ios/app/shadow-digits/id6763227518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arrow Pop Flow free?

Arrow Pop Flow is free to download, with no in-app purchases.

### Is Shadow Digits free?

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

### Do Arrow Pop Flow or Shadow Digits have ads?

Both Arrow Pop Flow and Shadow Digits show ads.

### Which is updated more often, Arrow Pop Flow or Shadow Digits?

Arrow Pop Flow ships an update every 2 months, and Shadow Digits every 4 days. Most recently, Arrow Pop Flow was updated on September 16, 2026 and Shadow Digits on September 9, 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.*