# IPA Sing vs Monad Calendar Clock

The clearest difference is rating: IPA Sing at 5.0 against Monad Calendar Clock's 3.7. IPA Sing also leads on review sentiment (60% vs 22%). Monad Calendar Clock's advantage is ratings volume (14 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

IPA Sing costs $0.99 and Monad Calendar Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

IPA Sing holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Monad Calendar Clock has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of IPA Sing's written reviews are positive against 22% of Monad Calendar Clock's.

IPA Sing ships an update every 2 months, Monad Calendar Clock every 6 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IPA Sing | Monad Calendar Clock |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ipa-sing/id670630052/reviews)** | [3.7 (14 ratings)](https://appshunter.io/ios/app/monad-calendar-clock/id1437026437/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | **60.0% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 11 MB | 266 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Hunt](https://appshunter.io/developer/615350697) | [Earth at the Center LLC](https://appshunter.io/developer/1437026436) |

## What reviewers say

### IPA Sing

[App page](https://appshunter.io/ios/app/ipa-sing/id670630052)

This app provides singers and conductors with audio examples of the International Phonetic Alphabet for English, German, Italian, and French. It also features a pronunciation checker to help refine vocal delivery.

**Highlights:** IPA audio examples, Pronunciation checker, Multi-language support (EN, DE, IT, FR), Created by expert

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

**In-app purchases:** none


### Monad Calendar Clock

[App page](https://appshunter.io/ios/app/monad-calendar-clock/id1437026437)

This app visualizes time through planetary and celestial movements, contrasting natural rhythms with mechanical time. It offers unique perspectives on Earth's position in space and time, showing star and planet locations, seasonal changes, and lunar phases.

**Highlights:** Planetary time and date display, Celestial ring visualization, Heliocentric and Geocentric modes, Star and planet location tracking, Seasonal and lunar phase progression, Twilight and sunrise/sunset times, Event scheduling

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

**In-app purchases:** none


## Frequently asked questions

### Is IPA Sing free?

IPA Sing costs $0.99, with no in-app purchases.

### Is Monad Calendar Clock free?

Monad Calendar Clock costs $0.99, with no in-app purchases.

### Which has better reviews, IPA Sing or Monad Calendar Clock?

IPA Sing is rated higher. IPA Sing averages 5.0 out of 5 from 1 ratings, while Monad Calendar Clock averages 3.7 from 14 ratings.

### Do IPA Sing or Monad Calendar Clock have ads?

Neither IPA Sing nor Monad Calendar Clock shows ads.

### Which is updated more often, IPA Sing or Monad Calendar Clock?

IPA Sing ships an update every 2 months, and Monad Calendar Clock every 6 weeks. Most recently, IPA Sing was updated on October 4, 2026 and Monad Calendar Clock on October 7, 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.*