# SmartLog (i vs Lea

The clearest difference is review sentiment: Lea at 23% against SmartLog (i's 13%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SmartLog (i ships an update every 6 weeks, Lea every 5 weeks. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SmartLog (i | Lea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (118 ratings)](https://appshunter.io/ios/app/smartlog-i-sens/id737519554/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 13.3% of reviews | **22.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 168 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-SENS, Inc.](https://appshunter.io/developer/405215627) | [云波 楼](https://appshunter.io/developer/1446242621) |

## What reviewers say

### SmartLog (i

[App page](https://appshunter.io/ios/app/smartlog-i-sens/id737519554)

This app helps users manage their blood glucose levels by connecting to compatible meters or allowing manual input. It generates reports, records related health data, and enables data sharing. Users can also sync their information with a cloud server and integrate with Apple Health.

**Highlights:** Connects to CareSens meters via Bluetooth, Manual blood glucose input, Blood glucose trend reports, Records meals, exercise, and insulin, Share data via email or push, Syncs data with SmartLog Server, Integrates with Apple Health

**In-app purchases:** none

**What reviewers like**

- ⭐ Works fine
- 📊 Helpful graphs and statistics
- 💻 Bluetooth connectivity
- 🗓️ Tracks readings over time

**What reviewers complain about**

- 🤔 Confusing user interface
- 🔍 Difficult to read small text
- 🔗 Issues with Bluetooth pairing
- 🚫 Unable to delete false readings
- 🔒 Privacy concerns with data sharing

**Reported bugs**

- App crashes after recent updates
- Readings disappearing or not syncing
- Compatibility issues with newer iOS versions
- Bluetooth connectivity problems

**Requested features**

- Add dark mode option
- Allow deletion of individual readings
- Improve font size and readability
- Enhance data export and sharing options
- Integrate with more glucose meter models


### Lea

[App page](https://appshunter.io/ios/app/lea-one/id1548074823)

This app syncs your weight and physical indicators with Apple HealthKit. It supports iPhone 6 and later devices, requiring user authorization for data integration.

**Highlights:** HealthKit integration, Weight and physical indicator sync, Supports iPhone 6 and later, User authorization for data, Body fat scale data management

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartLog (i free?

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

### Is Lea free?

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

### Do SmartLog (i or Lea have ads?

Neither SmartLog (i nor Lea shows ads.

### Which is updated more often, SmartLog (i or Lea?

SmartLog (i ships an update every 6 weeks, and Lea every 5 weeks. Most recently, SmartLog (i was updated on October 22, 2026 and Lea on October 23, 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.*