# Tempo study timer vs Stellar

The clearest difference is update cadence: Tempo study timer at fortnightly against Stellar's every 2 months. Tempo study timer also leads on iOS requirement (14.0 vs 18.0). 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.

Tempo study timer ships an update fortnightly, Stellar every 2 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Tempo study timer | Stellar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 81 MB | 7 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daihun Kim](https://appshunter.io/developer/1881549980) | [Julian Khuy](https://appshunter.io/developer/1878590402) |

## What reviewers say

### Tempo study timer

[App page](https://appshunter.io/ios/app/tempo-study-timer/id6759906734)

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

**In-app purchases:** none


### Stellar

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tempo study timer free?

Tempo study timer is free to download, with no in-app purchases.

### Is Stellar free?

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

### Do Tempo study timer or Stellar have ads?

Neither Tempo study timer nor Stellar shows ads.

### Which is updated more often, Tempo study timer or Stellar?

Tempo study timer ships an update fortnightly, and Stellar every 2 months. Most recently, Tempo study timer was updated on October 4, 2026 and Stellar on October 3, 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.*