# Lingo by Abbott vs Solius

The clearest difference is review sentiment: Solius at 100% against Lingo by Abbott's 44%. Solius also leads on rating (5.0 vs 4.5) and update cadence (every 3 weeks vs every 2 months). Lingo by Abbott's advantage is ratings volume (7.1K vs 70) and chart position (#144 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Solius holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Lingo by Abbott has 7.1K ratings behind it against 70, so its average is the more settled of the two. Written reviews point the same way: 44% of Lingo by Abbott's written reviews are positive against 100% of Solius's.

Lingo by Abbott ships an update every 2 months, Solius every 3 weeks. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Lingo by Abbott | Solius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (7.1K ratings)](https://appshunter.io/ios/app/lingo-by-abbott/id1670445335/reviews) | **[5.0 (70 ratings)](https://appshunter.io/ios/app/solius/id6762333424/reviews)** |
| Number of ratings | **7.1K** | 70 |
| Positive reviews | 43.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | **#144** | — |
| Size | 194 MB | 325 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Abbott](https://appshunter.io/developer/402314324) | [Solius Labs, Inc.](https://appshunter.io/developer/1314011843) |

## What reviewers say

### Lingo by Abbott

[App page](https://appshunter.io/ios/app/lingo-by-abbott/id1670445335)

**Currently charting:** #144 Top Free · Health & Fitness (US App Store)

This system tracks your glucose 24/7 to provide real-time insights into your body's response to food and activities. It helps you understand your metabolism, learn new eating patterns, and track progress towards healthier habits.

**Highlights:** 24/7 glucose tracking, Personalized nutrition insights, Metabolism understanding, Habit change support, Glucose graph visualization, Lingo Count daily metric, Food & activity logging

**In-app purchases:** none

**What reviewers like**

- 🚀 Real-time glucose tracking
- 📊 Helpful data insights
- 🌟 Easy setup and use
- 🔍 Valuable for metabolic health
- 💪 Motivates lifestyle changes

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🔋 High battery consumption
- 🔍 Limited data export and integration
- 🤔 Confusing 'Lingo Count' metric
- ⏱️ Delayed glucose readings

**Reported bugs**

- Sensor connectivity issues
- Inaccurate glucose readings
- Data sync problems and data loss
- Inconsistent app performance after updates

**Requested features**

- Apple Health integration
- Apple Watch app and complications
- More detailed data analysis and visualization
- Customizable glucose level alerts
- Improved food logging and tracking


### Solius

[App page](https://appshunter.io/ios/app/solius/id6762333424)

This app pairs with a UVB light therapy device to deliver personalized doses of UVB light based on your skin tone. It offers guided sessions, reminders, and progress tracking for year-round health benefits. The device is FDA-cleared and requires no prescription.

**Highlights:** Personalized UVB dosing based on skin tone, FDA-cleared over-the-counter device, Short weekly sessions (approx. 5 minutes), Guided session setup and safety checks, Weekly reminders and progress tracking, Therapy history and trends

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

**In-app purchases:** none


## Frequently asked questions

### Is Lingo by Abbott free?

Lingo by Abbott is free to download, with no in-app purchases.

### Is Solius free?

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

### Which has better reviews, Lingo by Abbott or Solius?

Solius is rated higher. Lingo by Abbott averages 4.5 out of 5 from 7.1K ratings, while Solius averages 5.0 from 70 ratings.

### Do Lingo by Abbott or Solius have ads?

Neither Lingo by Abbott nor Solius shows ads.

### Which is updated more often, Lingo by Abbott or Solius?

Lingo by Abbott ships an update every 2 months, and Solius every 3 weeks. Most recently, Lingo by Abbott was updated on September 28, 2026 and Solius on September 17, 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.*