# YumiSign vs Waver AI

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

Both are free to download. Waver AI sells 2 in-app purchases, starting at $16.49 per 3 months. YumiSign asks for nothing beyond the download.

YumiSign ships an update every 3 months, Waver AI weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | YumiSign | Waver AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 48 MB | 12 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [RCDevs Identity SA](https://appshunter.io/developer/1690137965) | [Sivaraman Balasubramanian](https://appshunter.io/developer/1890644098) |

## What reviewers say

### YumiSign

[App page](https://appshunter.io/ios/app/yumisign/id6449701564)

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

**In-app purchases:** none


### Waver AI

[App page](https://appshunter.io/ios/app/waver-ai/id6761647036)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waver Premium - 3 Months | $16.49 | per 3 months |
| Waver Premium - 1 year | $49.99 | per year |


## Frequently asked questions

### Is YumiSign free?

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

### Is Waver AI free?

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

### Do YumiSign or Waver AI have ads?

Neither YumiSign nor Waver AI shows ads.

### Which is updated more often, YumiSign or Waver AI?

YumiSign ships an update every 3 months, and Waver AI weekly. Most recently, YumiSign was updated on November 7, 2026 and Waver AI on November 5, 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.*