# i vs Liipoo

The clearest difference is update cadence: i at fortnightly against Liipoo's every 3 months. i also leads on iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i ships an update fortnightly, Liipoo every 3 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | i | Liipoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 5 MB | 25 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Robo Electronics co., Ltd.](https://appshunter.io/developer/1232651973) | [Shenzhen Refresh Biosensing Technology Co., Ltd.](https://appshunter.io/developer/1405391433) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-dothermometer/id1546064427)

**Features:** macOS Compatibility

**In-app purchases:** none


### Liipoo

[App page](https://appshunter.io/ios/app/liipoothermometer-for-fever/id6446109957)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Liipoo free?

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

### Do i or Liipoo have ads?

Neither i nor Liipoo shows ads.

### Which is updated more often, i or Liipoo?

i ships an update fortnightly, and Liipoo every 3 months. Most recently, i was updated on October 27, 2026 and Liipoo on October 30, 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.*