# Stellar vs GlassTime

The clearest difference is in-app purchases: Stellar at none against GlassTime's 4. Stellar also leads on iOS requirement (18.0 vs 26.0). GlassTime's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. GlassTime sells 4 one-off in-app purchases. Stellar asks for nothing beyond the download.

Stellar ships an update every 2 months, GlassTime daily. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stellar | GlassTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 7 MB | 29 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Julian Khuy](https://appshunter.io/developer/1878590402) | [Felipe C Canhameiro](https://appshunter.io/developer/1446361905) |

## What reviewers say

### Stellar

[App page](https://appshunter.io/ios/app/stellar-study-timer/id6760194209)

**Features:** macOS Compatibility

**In-app purchases:** none


### GlassTime

[App page](https://appshunter.io/ios/app/glasstime-focus-timer/id6760934157)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Minute Tip | $0.99 | one-time |
| Session Tip | $2.99 | one-time |
| Hour Tip | $4.99 | one-time |
| Deep Tip | $9.99 | one-time |


## Frequently asked questions

### Is Stellar free?

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

### Is GlassTime free?

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

### Do Stellar or GlassTime have ads?

Neither Stellar nor GlassTime shows ads.

### Which is updated more often, Stellar or GlassTime?

Stellar ships an update every 2 months, and GlassTime daily. Most recently, Stellar was updated on October 3, 2026 and GlassTime on October 12, 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.*