# Symptom Log vs Truly Simple Symptom Log

The clearest difference is update cadence: Symptom Log at every 2 weeks against Truly Simple Symptom Log's every 3 weeks. Symptom Log also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Symptom Log sells 3 in-app purchases, starting at $2.99 per 7 days and Truly Simple Symptom Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Symptom Log ships an update every 2 weeks, Truly Simple Symptom Log every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Symptom Log | Truly Simple Symptom Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/symptom-log-symptom-tracker/id6759680681/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [AlgoSoft Technologies Limited](https://appshunter.io/developer/1799406712) | [Colin Wright](https://appshunter.io/developer/1814828139) |

## What reviewers say

### Symptom Log

[App page](https://appshunter.io/ios/app/symptom-log-symptom-tracker/id6759680681)

This app helps individuals manage chronic conditions by logging daily symptoms, moods, and potential triggers. It provides insights into trends and allows for easy sharing of health data with doctors. The app focuses on private, on-device storage for user peace of mind.

**Highlights:** Daily symptom logging, Mood tracking, Trigger identification, Doctor reports (PDF), Data export (CSV), Customizable symptom list, On-device data storage

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $2.99 | per 7 days |
| Annual Plan | $39.99 | per year |
| Lifetime | $89.99 | one-time |


### Truly Simple Symptom Log

[App page](https://appshunter.io/ios/app/truly-simple-symptom-log/id6766123526)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $4.99 | one-time |


## Frequently asked questions

### Is Symptom Log free?

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

### Is Truly Simple Symptom Log free?

Truly Simple Symptom Log is free to download, with in-app purchases available.

### Do Symptom Log or Truly Simple Symptom Log have ads?

Neither Symptom Log nor Truly Simple Symptom Log shows ads.

### Which is updated more often, Symptom Log or Truly Simple Symptom Log?

Symptom Log ships an update every 2 weeks, and Truly Simple Symptom Log every 3 weeks. Most recently, Symptom Log was updated on October 24, 2026 and Truly Simple Symptom Log on October 25, 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.*