# Migraine Diary Reminder vs TrackBack Symptom Tracker

Migraine Diary Reminder and TrackBack Symptom Tracker are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Migraine Diary Reminder | TrackBack Symptom Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 20 MB | 44 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Denys Kolosovskyy](https://appshunter.io/developer/1674375733) | [Geoffrey Jensen](https://appshunter.io/developer/1877156841) |

## What reviewers say

### Migraine Diary Reminder

[App page](https://appshunter.io/ios/app/migraine-diary-reminder/id6743403202)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrackBack Symptom Tracker

[App page](https://appshunter.io/ios/app/trackback-symptom-tracker/id6759174933)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Migraine Diary Reminder free?

Migraine Diary Reminder is free to download, with no in-app purchases.

### Is TrackBack Symptom Tracker free?

TrackBack Symptom Tracker is free to download, with no in-app purchases.

### Do Migraine Diary Reminder or TrackBack Symptom Tracker have ads?

Neither Migraine Diary Reminder nor TrackBack Symptom Tracker shows ads.

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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.*