# iBac PRO vs Symptom Log

The clearest difference is in-app purchases: iBac PRO at none against Symptom Log's 3. iBac PRO also leads on iOS requirement (12.0 vs 15.0). Symptom Log's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads 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. iBac PRO asks for nothing beyond the download.

iBac PRO ships an update every 6 weeks, Symptom Log every 2 weeks. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iBac PRO | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 16 MB | 43 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Alcosystems Sweden AB](https://appshunter.io/developer/639771620) | [AlgoSoft Technologies Limited](https://appshunter.io/developer/1799406712) |

## What reviewers say

### iBac PRO

[App page](https://appshunter.io/ios/app/ibac-pro/id1310569251)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is iBac PRO free?

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

### Is Symptom Log free?

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

### Do iBac PRO or Symptom Log have ads?

Neither iBac PRO nor Symptom Log shows ads.

### Which is updated more often, iBac PRO or Symptom Log?

iBac PRO ships an update every 6 weeks, and Symptom Log every 2 weeks. Most recently, iBac PRO was updated on October 4, 2026 and Symptom Log on October 24, 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.*