# Quantify vs Loggr

The clearest difference is in-app purchases: Quantify at none against Loggr's 3. Quantify also leads on update cadence (daily vs every 8 days). Loggr's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Loggr sells 3 in-app purchases, starting at $4.99 per month. Quantify asks for nothing beyond the download.

Quantify ships an update daily, Loggr every 8 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Quantify | Loggr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quantify-optimize-life/id6480232018/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 days |
| Monetization | Free | — |
| Size | 20 MB | 55 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nicole Blair Stoddart](https://appshunter.io/developer/1738530435) | [Bliqo](https://appshunter.io/developer/1851554709) |

## What reviewers say

### Quantify

[App page](https://appshunter.io/ios/app/quantify-optimize-life/id6480232018)

This app allows users to create custom data trackers for any aspect of their lives. Visualize your progress with real-time charts and analyze relationships between different variables. Securely sync your data across devices with cloud backup.

**Highlights:** Custom trackers (numeric, text, boolean, timestamp), Real-time line charts, Correlation analysis with p-values, Cloud sync across devices, Secure sign-in with Apple/Google

**Features:** macOS Compatibility

**In-app purchases:** none


### Loggr

[App page](https://appshunter.io/ios/app/loggr-track-your-day/id6756983942)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Loggr Pro subscription | $4.99 | per month |
| Yearly Loggr Pro subscription | $49.99 | per year |
| Loggr Pro Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is Quantify free?

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

### Is Loggr free?

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

### Do Quantify or Loggr have ads?

Neither Quantify nor Loggr shows ads.

### Which is updated more often, Quantify or Loggr?

Quantify ships an update daily, and Loggr every 8 days. Most recently, Quantify was updated on October 7, 2026 and Loggr on October 3, 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.*