# RainLoop vs Lo

The clearest difference is in-app purchases: RainLoop at none against Lo's 4. RainLoop also leads on ads (none vs shown). Lo's advantage is update cadence (every 3 days vs every 10 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lo sells 4 one-off in-app purchases. RainLoop asks for nothing beyond the download.

RainLoop ships an update every 10 days, Lo every 3 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | RainLoop | Lo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 52 MB | 53 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [Toshihiko Arai](https://appshunter.io/developer/415194231) |

## What reviewers say

### RainLoop

[App page](https://appshunter.io/ios/app/rainloop/id6760632041)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lo

[App page](https://appshunter.io/ios/app/lo-fi-zen/id6812143134)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KUJIRA Pack | $7.99 | one-time |
| Lo-Fi ZEN Pack | $7.99 | one-time |
| YAKUMO Pack | $7.99 | one-time |
| KUJAKU Pack | $7.99 | one-time |


## Frequently asked questions

### Is RainLoop free?

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

### Is Lo free?

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

### Do RainLoop or Lo have ads?

Lo shows ads; RainLoop does not.

### Which is updated more often, RainLoop or Lo?

RainLoop ships an update every 10 days, and Lo every 3 days. Most recently, RainLoop was updated on October 7, 2026 and Lo on October 6, 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.*