# Session Log vs UpDiagram

The clearest difference is update cadence: UpDiagram at weekly against Session Log's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Session Log ships an update every 12 months, UpDiagram weekly. The most recent releases landed on September 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Session Log | UpDiagram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/updiagram/id1470250338/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 95.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | — | Free |
| Size | 2 MB | 40 MB |
| Requires iOS | **15.4** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Schorn](https://appshunter.io/developer/291182088) | [ITC Group](https://appshunter.io/developer/1470250337) |

## What reviewers say

### Session Log

[App page](https://appshunter.io/ios/app/session-log/id570528051)

**Features:** macOS Compatibility

**In-app purchases:** none


### UpDiagram

[App page](https://appshunter.io/ios/app/updiagram/id1470250338)

This project management tool streamlines project oversight, reducing the time and effort required to manage tasks. It fosters transparency and collaboration within teams, making project progress easily accessible to all members.

**Highlights:** Project progress visibility, Simplified task management, Direct team communication, Transparent information sharing, Up-to-date software features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Session Log free?

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

### Is UpDiagram free?

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

### Do Session Log or UpDiagram have ads?

Neither Session Log nor UpDiagram shows ads.

### Which is updated more often, Session Log or UpDiagram?

Session Log ships an update every 12 months, and UpDiagram weekly. Most recently, Session Log was updated on September 9, 2026 and UpDiagram on September 26, 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.*