# Session vs JAZ Seller

The clearest difference is update cadence: JAZ Seller at monthly against Session's every 4 months. Session's advantage is iOS requirement (13.2 vs 15). 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 ships an update every 4 months, JAZ Seller monthly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Session | JAZ Seller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (937 ratings)](https://appshunter.io/ios/app/session-activity-timer/id1493474157/reviews)** | — |
| Number of ratings | **937** | — |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 1 MB | 53 MB |
| Requires iOS | **13.2** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Glasshouse Studio, LLC](https://appshunter.io/developer/1493474156) | [IST LLC](https://appshunter.io/developer/1524943416) |

## What reviewers say

### Session

[App page](https://appshunter.io/ios/app/session-activity-timer/id1493474157)

Track your progress towards mastering skills by logging dedicated practice time. Manually log sessions or use the automatic timer to record your efforts. Start making measurable progress on your goals today.

**Highlights:** Create custom activities, Manual session logging, Automatic timer, Track progress towards goals, Skill mastery tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Aesthetically pleasing
- ⏱️ Helpful for time management
- 💻 Simple and easy to use
- 🧠 Motivating for productivity

**What reviewers complain about**

- 🐛 Crashes when trying to edit activities
- 🔍 Lack of customization options (e.g. color, icon, order)
- 🗑️ No ability to delete activities
- ⏱️ Timer issues (stops unexpectedly, doesn't continue in background)

**Reported bugs**

- Timer inconsistencies when exiting the app
- Inability to add time manually (only minutes, not hours)
- App crashes when trying to add a session manually

**Requested features**

- Add delete and rename session functions
- Implement activity editing (color, icon, name, description)
- Provide activity reordering capability
- Include activity time tracking by day/week/month/year
- Add Pomodoro timer functionality


### JAZ Seller

[App page](https://appshunter.io/ios/app/jaz-seller/id6720738127)

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

**In-app purchases:** none


## Frequently asked questions

### Is Session free?

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

### Is JAZ Seller free?

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

### Do Session or JAZ Seller have ads?

Neither Session nor JAZ Seller shows ads.

### Which is updated more often, Session or JAZ Seller?

Session ships an update every 4 months, and JAZ Seller monthly. Most recently, Session was updated on October 9, 2026 and JAZ Seller on October 7, 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.*