# OmniLog vs Trendlo

The clearest difference is update cadence: Trendlo at every 3 days against OmniLog's every 5 months. OmniLog's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OmniLog sells 4 in-app purchases, starting at $4.99 per month and Trendlo sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

OmniLog ships an update every 5 months, Trendlo every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OmniLog | Trendlo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 93 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Andre Leite Barbosa Costa](https://appshunter.io/developer/984337133) | [Maddisys Limited](https://appshunter.io/developer/399854564) |

## What reviewers say

### OmniLog

[App page](https://appshunter.io/ios/app/omnilog-weight-tracker/id1574761276)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $4.99 | per month |
| Premium - Monthly | $7.99 | per month |
| Premium - Yearly | $39.99 | per year |
| Premium - Yearly | $69.99 | per year |


### Trendlo

[App page](https://appshunter.io/ios/app/trendlo-weight-trend-tracker/id6761773334)

Easily track your weight trends with daily logging and a watch complication. This app smooths out daily fluctuations to show your true progress, syncing with Apple Health.

**Highlights:** Daily weight logging, Smoothed trend graph, Apple Watch complication, HealthKit sync, Long-term analysis, CSV export

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trendlo+ Monthly | $1.99 | per month |
| Trendlo+ Yearly | $9.99 | per year |


## Frequently asked questions

### Is OmniLog free?

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

### Is Trendlo free?

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

### Do OmniLog or Trendlo have ads?

Both OmniLog and Trendlo show ads.

### Which is updated more often, OmniLog or Trendlo?

OmniLog ships an update every 5 months, and Trendlo every 3 days. Most recently, OmniLog was updated on October 30, 2026 and Trendlo 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.*