# Deep Flow vs ZenLocks

The clearest difference is in-app purchases: Deep Flow at none against ZenLocks's 3. ZenLocks's advantage is update cadence (weekly vs monthly) and iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ZenLocks sells 3 one-off in-app purchases. Deep Flow asks for nothing beyond the download.

Deep Flow ships an update monthly, ZenLocks weekly. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Deep Flow | ZenLocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 9 MB | 3 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tejeshwar Amirthy](https://appshunter.io/developer/1824269130) | [浩 张](https://appshunter.io/developer/1892225562) |

## What reviewers say

### Deep Flow

[App page](https://appshunter.io/ios/app/deep-flow-screen-time-control/id6748088561)

**In-app purchases:** none


### ZenLocks

[App page](https://appshunter.io/ios/app/zenlocks/id6765883799)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 中杯 | $1.99 | one-time |
| 大杯 | $5.99 | one-time |
| 超大杯 | $9.99 | one-time |


## Frequently asked questions

### Is Deep Flow free?

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

### Is ZenLocks free?

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

### Do Deep Flow or ZenLocks have ads?

Neither Deep Flow nor ZenLocks shows ads.

### Which is updated more often, Deep Flow or ZenLocks?

Deep Flow ships an update monthly, and ZenLocks weekly. Most recently, Deep Flow was updated on October 5, 2026 and ZenLocks on September 30, 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.*