# Tempus vs Lines

The clearest difference is price: Tempus at Free against Lines's $19.99. Tempus also leads on update cadence (every 5 weeks vs every 13 months). Lines's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 83%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Tempus is free to download; Lines costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lines holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 83% of Tempus's written reviews are positive against 100% of Lines's.

Tempus ships an update every 5 weeks, Lines every 13 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Tempus | Lines |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/tempus-delay-calculator/id1488364362/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/lines-feedback-multieffect/id6461267498/reviews)** |
| Number of ratings | 9 | **11** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 13 months |
| Monetization | **Free** | Paid |
| Size | 8 MB | 29 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## 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


### Lines

[App page](https://appshunter.io/ios/app/lines-feedback-multieffect/id6461267498)

This audio effect plugin transforms any signal into a wide spectrum of sounds, from lo-fi to distortion and feedback. It can also function as an experimental synthesizer, creating rhythms and soundscapes even without input.

**Highlights:** Creative signal mangling, Experimental synthesizer, Feedback-based sound design, Wide range of audio effects, Rhythm and soundscape generation

**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 Lines free?

Lines costs $19.99, with no in-app purchases.

### Which has better reviews, Tempus or Lines?

Lines is rated higher. Tempus averages 4.6 out of 5 from 9 ratings, while Lines averages 5.0 from 11 ratings.

### Do Tempus or Lines have ads?

Neither Tempus nor Lines shows ads.

### Which is updated more often, Tempus or Lines?

Tempus ships an update every 5 weeks, and Lines every 13 months. Most recently, Tempus was updated on October 7, 2026 and Lines on October 15, 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.*