# Tempus vs Mode Circle

The clearest difference is rating: Tempus at 5.0 against Mode Circle's 4.6. Tempus also leads on update cadence (every 5 weeks vs every 9 months) and review sentiment (83% vs 75%). Mode Circle's advantage is device support (5 vs 3). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tempus holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 83% of Tempus's written reviews are positive against 75% of Mode Circle's.

Tempus ships an update every 5 weeks, Mode Circle every 9 months. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Tempus | Mode Circle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/tempus-delay-calculator/id1488364362/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/mode-circle/id6444849284/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | **83.3% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 8 MB | 25 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [Dr. Garbers Softwareentwicklung](https://appshunter.io/developer/549623621) |

## What reviewers say

### Tempus

[App page](https://appshunter.io/ios/app/tempus-delay-calculator/id1488364362)

Calculate delay times and sample re-pitch amounts with a tap-tempo metronome. Preview delay sounds and determine BPM changes for your DAW. This tool helps musicians fine-tune audio effects.

**Highlights:** Tap-tempo metronome, Specify beat count for metronome, View and preview delay times, Calculate sample re-pitch amounts, Calculate BPM changes, Supports Re-Pitch Warp modes

**In-app purchases:** none


### Mode Circle

[App page](https://appshunter.io/ios/app/mode-circle/id6444849284)

Explore all 12x7 diatonic scales interactively. This app displays and plays selected scales, offering various arrangements and views based on scale tones, fundamentals, brightness, or relationships. It allows for highlighting specific modes or freely selecting any scale.

**Highlights:** Interactive diatonic scale exploration, Scale playback functionality, Multiple arrangement and view options, Grouping by scale tones or fundamentals, Arrangement by scale degree or brightness, Displaying single diatonic modes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tempus free?

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

### Is Mode Circle free?

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

### Which has better reviews, Tempus or Mode Circle?

Tempus is rated higher. Tempus averages 5.0 out of 5 from 8 ratings, while Mode Circle averages 4.6 from 5 ratings.

### Do Tempus or Mode Circle have ads?

Neither Tempus nor Mode Circle shows ads.

### Which is updated more often, Tempus or Mode Circle?

Tempus ships an update every 5 weeks, and Mode Circle every 9 months. Most recently, Tempus was updated on June 1, 2026 and Mode Circle on September 20, 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.*