# Longevity Checklist vs SymptomLog

The clearest difference is in-app purchases: Longevity Checklist at none against SymptomLog's 3. SymptomLog's advantage is update cadence (daily vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SymptomLog sells 3 in-app purchases, starting at $2.99 per month. Longevity Checklist asks for nothing beyond the download.

Longevity Checklist ships an update monthly, SymptomLog daily. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Longevity Checklist | SymptomLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 46 MB | 6 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Michael Taciuk](https://appshunter.io/developer/1680026357) | [Sajith Lal m k](https://appshunter.io/developer/1680857165) |

## What reviewers say

### Longevity Checklist

[App page](https://appshunter.io/ios/app/longevity-checklist/id6737241919)

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

**In-app purchases:** none


### SymptomLog

[App page](https://appshunter.io/ios/app/symptomlog-illness-diary/id6774916416)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SymptomLog Monthly | $2.99 | per month |
| SymptomLog Annual | $14.99 | per year |
| SymptomLog Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Longevity Checklist free?

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

### Is SymptomLog free?

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

### Do Longevity Checklist or SymptomLog have ads?

Neither Longevity Checklist nor SymptomLog shows ads.

### Which is updated more often, Longevity Checklist or SymptomLog?

Longevity Checklist ships an update monthly, and SymptomLog daily. Most recently, Longevity Checklist was updated on October 8, 2026 and SymptomLog 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.*