# Flow vs ATK

The clearest difference is update cadence: ATK at fortnightly against Flow's every 3 months. Flow's advantage is iOS requirement (9.0 vs 14.0). 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.

Flow ships an update every 3 months, ATK fortnightly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Flow | ATK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/atk-forms/id6753078442/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 54 MB | 74 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Soil-Max, Inc.](https://appshunter.io/developer/1505464314) | [ATK Energy Group LLC](https://appshunter.io/developer/1840675514) |

## What reviewers say

### Flow

[App page](https://appshunter.io/ios/app/flow-x/id1505464315)

**Features:** macOS Compatibility

**In-app purchases:** none


### ATK

[App page](https://appshunter.io/ios/app/atk-forms/id6753078442)

Access critical safety documents, alerts, and procedures for field personnel, especially those in powerline and storm recovery. Ensures easy availability of essential forms for demanding work environments.

**Highlights:** Safety document access, Alerts and procedures, Field personnel forms, Powerline safety, Storm recovery documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow free?

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

### Is ATK free?

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

### Do Flow or ATK have ads?

Neither Flow nor ATK shows ads.

### Which is updated more often, Flow or ATK?

Flow ships an update every 3 months, and ATK fortnightly. Most recently, Flow was updated on October 4, 2026 and ATK on October 1, 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.*