# 存丫 vs WTAI

存丫 and WTAI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 20, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | 存丫 | WTAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 196 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [亿次网联(杭州)科技有限公司](https://appshunter.io/developer/1540251643) | [Waytronic Electronics Company Limited](https://appshunter.io/developer/1103554270) |

## What reviewers say

### 存丫

[App page](https://appshunter.io/ios/app/id6742396675)

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

**In-app purchases:** none


### WTAI

[App page](https://appshunter.io/ios/app/wtai/id6744948362)

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

**In-app purchases:** none


## Frequently asked questions

### Is 存丫 free?

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

### Is WTAI free?

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

### Do 存丫 or WTAI have ads?

Neither 存丫 nor WTAI shows ads.

### Which is updated more often, 存丫 or WTAI?

存丫 ships an update every 3 weeks, and WTAI every 3 weeks. Most recently, 存丫 was updated on September 20, 2026 and WTAI on August 21, 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.*