# Vitality Log vs Bionic Reading® Fonts

The clearest difference is update cadence: Bionic Reading® Fonts at every 6 days against Vitality Log's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Vitality Log sells 1 one-off in-app purchase and Bionic Reading® Fonts sells 6 in-app purchases, starting at $4.90 per month. Whichever you choose, the download price is not the number that matters.

Vitality Log ships an update every 2 months, Bionic Reading® Fonts every 6 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Vitality Log | Bionic Reading® Fonts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 6 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [迅 王](https://appshunter.io/developer/1873842519) | [Bionic Reading AG](https://appshunter.io/developer/1659624105) |

## What reviewers say

### Vitality Log

[App page](https://appshunter.io/ios/app/vitality-log-energy-tracker/id6764333563)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $9.99 | one-time |


### Bionic Reading® Fonts

[App page](https://appshunter.io/ios/app/bionic-reading-fonts/id6807804213)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bionic Reading® | $4.90 | per month |
| Bionic Reading® Serif | $4.90 | per month |
| Bionic Reading® Bundle | $7.90 | per month |
| Bionic Reading® | $49.00 | per year |
| Bionic Reading® Serif | $49.00 | per year |
| Bionic Reading® Bundle | $79.00 | per year |


## Frequently asked questions

### Is Vitality Log free?

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

### Is Bionic Reading® Fonts free?

Bionic Reading® Fonts is free to download, with in-app purchases available.

### Do Vitality Log or Bionic Reading® Fonts have ads?

Neither Vitality Log nor Bionic Reading® Fonts shows ads.

### Which is updated more often, Vitality Log or Bionic Reading® Fonts?

Vitality Log ships an update every 2 months, and Bionic Reading® Fonts every 6 days. Most recently, Vitality Log was updated on November 9, 2026 and Bionic Reading® Fonts on November 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.*