# LifeOS vs SubSave

The clearest difference is in-app purchases: LifeOS at none against SubSave's 2. LifeOS also leads on update cadence (daily vs every 3 weeks) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SubSave sells 2 in-app purchases, starting at $0.99 per year. LifeOS asks for nothing beyond the download.

LifeOS ships an update daily, SubSave every 3 weeks. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | LifeOS | SubSave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 5 MB | 22 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [HSIN-CHE CHUNG](https://appshunter.io/developer/1790383607) | [建春 张](https://appshunter.io/developer/1844027944) |

## What reviewers say

### LifeOS

[App page](https://appshunter.io/ios/app/lifeos-subscriptions/id6748966574)

**Features:** macOS Compatibility

**In-app purchases:** none


### SubSave

[App page](https://appshunter.io/ios/app/subsave-subscription-reminder/id6761238279)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $0.99 | per year |
| Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is LifeOS free?

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

### Is SubSave free?

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

### Do LifeOS or SubSave have ads?

Neither LifeOS nor SubSave shows ads.

### Which is updated more often, LifeOS or SubSave?

LifeOS ships an update daily, and SubSave every 3 weeks. Most recently, LifeOS was updated on October 7, 2026 and SubSave on September 24, 2026.

---

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