# 一应必达 vs ZenLocks

The clearest difference is in-app purchases: 一应必达 at none against ZenLocks's 3. 一应必达 also leads on iOS requirement (12.0 vs 17.6). ZenLocks's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. ZenLocks sells 3 one-off in-app purchases. 一应必达 asks for nothing beyond the download.

一应必达 ships an update monthly, ZenLocks weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 一应必达 | ZenLocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 222 MB | 3 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [一应科技](https://appshunter.io/developer/1484306407) | [浩 张](https://appshunter.io/developer/1892225562) |

## What reviewers say

### 一应必达

[App page](https://appshunter.io/ios/app/id6444039966)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenLocks

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

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 一应必达 free?

一应必达 is free to download, with no in-app purchases.

### Is ZenLocks free?

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

### Do 一应必达 or ZenLocks have ads?

Neither 一应必达 nor ZenLocks shows ads.

### Which is updated more often, 一应必达 or ZenLocks?

一应必达 ships an update monthly, and ZenLocks weekly. Most recently, 一应必达 was updated on October 27, 2026 and ZenLocks on October 31, 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.*