# Session vs CrystalPix

The clearest difference is in-app purchases: Session at none against CrystalPix's 3. Session also leads on iOS requirement (13.2 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CrystalPix sells 3 in-app purchases, starting at $12.99 per 7 days. Session asks for nothing beyond the download.

Session ships an update every 4 months, CrystalPix every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Session | CrystalPix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (936 ratings)](https://appshunter.io/ios/app/session-activity-timer/id1493474157/reviews)** | — |
| Number of ratings | **936** | — |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 69 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Glasshouse Studio, LLC](https://appshunter.io/developer/1493474156) | [Adameddine Inajjar](https://appshunter.io/developer/1758145104) |

## 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


### CrystalPix

[App page](https://appshunter.io/ios/app/crystalpix-topaz-library/id6780416806)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $12.99 | per 7 days |
| montlyTopaz | $44.99 | per month |
| CrystalPix : topaz library | $6.99 | one-time |


## Frequently asked questions

### Is Session free?

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

### Is CrystalPix free?

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

### Do Session or CrystalPix have ads?

Neither Session nor CrystalPix shows ads.

### Which is updated more often, Session or CrystalPix?

Session ships an update every 4 months, and CrystalPix every 2 months. Most recently, Session was updated on November 3, 2026 and CrystalPix on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*