# WhyLens vs StayMe

The clearest difference is ads: WhyLens at none against StayMe's shown. WhyLens also leads on iOS requirement (13.0 vs 17.0). StayMe's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. WhyLens sells 2 in-app purchases, starting at $2.99 per month and StayMe sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

WhyLens ships an update monthly, StayMe every 3 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | WhyLens | StayMe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Size | 58 MB | 224 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Naumov](https://appshunter.io/developer/1886627669) | [Jaehyun Kim](https://appshunter.io/developer/1895990726) |

## What reviewers say

### WhyLens

[App page](https://appshunter.io/ios/app/whylens-decision-tracker/id6761038255)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhyLens Pro Monthly | $2.99 | per month |
| WhyLens Pro Yearly | $19.99 | per year |


### StayMe

[App page](https://appshunter.io/ios/app/stayme-study-with-me-timer/id6765552659)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StayMe Premium (Monthly) | $0.99 | per month |
| StayMe Premium (Annual) | $6.99 | per year |


## Frequently asked questions

### Is WhyLens free?

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

### Is StayMe free?

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

### Do WhyLens or StayMe have ads?

StayMe shows ads; WhyLens does not.

### Which is updated more often, WhyLens or StayMe?

WhyLens ships an update monthly, and StayMe every 3 days. Most recently, WhyLens was updated on October 31, 2026 and StayMe on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*