# YearRound vs Tempus Calc

The clearest difference is in-app purchases: Tempus Calc at none against YearRound's 4. Tempus Calc also leads on update cadence (every 8 days vs every 6 months). YearRound's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. YearRound sells 4 one-off in-app purchases. Tempus Calc asks for nothing beyond the download.

YearRound ships an update every 6 months, Tempus Calc every 8 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | YearRound | Tempus Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Size | 6 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ShiftVision](https://appshunter.io/developer/597858653) | [ommar alquisi](https://appshunter.io/developer/1815009330) |

## What reviewers say

### YearRound

[App page](https://appshunter.io/ios/app/yearround/id6458589035)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2024 Poster | $0.99 | one-time |
| 2023 Poster | $0.99 | one-time |
| 2026 Poster | $4.99 | one-time |
| 2025 Poster | $4.99 | one-time |


### Tempus Calc

[App page](https://appshunter.io/ios/app/tempus-calc/id6746067882)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YearRound free?

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

### Is Tempus Calc free?

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

### Do YearRound or Tempus Calc have ads?

Neither YearRound nor Tempus Calc shows ads.

### Which is updated more often, YearRound or Tempus Calc?

YearRound ships an update every 6 months, and Tempus Calc every 8 days. Most recently, YearRound was updated on September 14, 2026 and Tempus Calc on September 19, 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.*