# LIMSTAR vs WillOS

The clearest difference is price: LIMSTAR at Free against WillOS's $3.99. LIMSTAR also leads on update cadence (weekly vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

LIMSTAR is free to download; WillOS costs $3.99 up front. LIMSTAR sells 1 one-off in-app purchase and WillOS sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

LIMSTAR ships an update weekly, WillOS every 2 weeks. The most recent releases landed on June 2, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | LIMSTAR | WillOS |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Paid |
| Size | 20 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [羽 唐](https://appshunter.io/developer/1734231509) | [艺景 张](https://appshunter.io/developer/1818288159) |

## What reviewers say

### LIMSTAR

[App page](https://appshunter.io/ios/app/limstar/id6745580960)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LIMSATR Life Member | $0.99 | one-time |


### WillOS

[App page](https://appshunter.io/ios/app/willos/id6748278061)

This productivity tool helps users organize their time and prioritize tasks. It offers features to stay aware of time, focus on high-value activities, and manage tasks across multiple devices.

**Highlights:** Time awareness, Task prioritization, Cross-device task management, Organized time management

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wishing Well (人・ω・。) | $0.99 | one-time |
| Fuel me (//ω//) | $2.99 | one-time |
| Feed me (//ω//) | $4.99 | one-time |
| PRO | $6.99 | one-time |
| Feed me (//ω//) | $6.99 | one-time |


## Frequently asked questions

### Is LIMSTAR free?

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

### Is WillOS free?

WillOS costs $3.99, and also offers in-app purchases.

### Do LIMSTAR or WillOS have ads?

Neither LIMSTAR nor WillOS shows ads.

### Which is updated more often, LIMSTAR or WillOS?

LIMSTAR ships an update weekly, and WillOS every 2 weeks. Most recently, LIMSTAR was updated on June 2, 2026 and WillOS on September 7, 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.*