# Flow21 Systems vs Buddily

The clearest difference is in-app purchases: Flow21 Systems at none against Buddily's 3. Buddily's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Buddily sells 3 in-app purchases, starting at $0.99 per month. Flow21 Systems asks for nothing beyond the download.

Flow21 Systems ships an update every 2 months, Buddily every 3 days. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Flow21 Systems | Buddily |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 335 MB | 37 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Flow21 Systems](https://appshunter.io/developer/1785598054) | [Christian Ocampo](https://appshunter.io/developer/1861300666) |

## What reviewers say

### Flow21 Systems

[App page](https://appshunter.io/ios/app/flow21-systems/id6739488079)

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

**In-app purchases:** none


### Buddily

[App page](https://appshunter.io/ios/app/buddily/id6804424940)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buddily Premium Monthly | $0.99 | per month |
| Buddily Premium Annual | $11.49 | per year |
| Buddily Premium | $64.99 | one-time |


## Frequently asked questions

### Is Flow21 Systems free?

Flow21 Systems is free to download, with no in-app purchases.

### Is Buddily free?

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

### Do Flow21 Systems or Buddily have ads?

Neither Flow21 Systems nor Buddily shows ads.

### Which is updated more often, Flow21 Systems or Buddily?

Flow21 Systems ships an update every 2 months, and Buddily every 3 days. Most recently, Flow21 Systems was updated on September 12, 2026 and Buddily on September 22, 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.*