# Kilra vs Solara

The clearest difference is review sentiment: Kilra at 50% against Solara's 0%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Kilra sells 2 in-app purchases, starting at $9.99 per month and Solara sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Kilra ships an update weekly, Solara every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Kilra | Solara |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/kilra-symptom-tracker/id6760767331/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | Freemium |
| Size | 40 MB | 37 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Eswar Krishnan](https://appshunter.io/developer/1842404388) | [Vitali Mikhailouski](https://appshunter.io/developer/1581915124) |

## What reviewers say

### Kilra

[App page](https://appshunter.io/ios/app/kilra-symptom-tracker/id6760767331)

Track your symptoms and health metrics to uncover personalized patterns and correlations. This app uses on-device AI to analyze your data, providing actionable insights and doctor-ready reports. It integrates with Apple Health for a comprehensive view of your well-being.

**Highlights:** On-device AI pattern detection, Log 30+ symptoms with details, Personalized wellness score, Correlations with lifestyle factors, Doctor-ready PDF reports, Health journal with mood tracking, Medication tracking and reminders, Apple Health integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Symptly Yearly Subscription | $39.99 | per year |


### Solara

[App page](https://appshunter.io/ios/app/solara-pain-relief-and-forecast/id6802366596)

Predicts weather-related pain like headaches and joint aches the evening before. Log your symptoms to identify personal triggers and plan your week around potential discomfort.

**Highlights:** Pain risk forecast, Evening weather warnings, Personal trigger logging, 7-day outlook, Hourly weather data, Space weather data, Apple Health integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solara Plus Monthly | $4.99 | per month |
| Solara Plus Weekly | $6.99 | per 7 days |
| Solara Plus Yearly | $49.99 | per year |
| Solara Plus Lifetime | $129.99 | one-time |


## Frequently asked questions

### Is Kilra free?

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

### Is Solara free?

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

### Do Kilra or Solara have ads?

Neither Kilra nor Solara shows ads.

### Which is updated more often, Kilra or Solara?

Kilra ships an update weekly, and Solara every 5 days. Most recently, Kilra was updated on October 31, 2026 and Solara on November 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.*