# CTS vs Night Time Tales

The clearest difference is update cadence: Night Time Tales at every 3 weeks against CTS's every 8 months. CTS's advantage is iOS requirement (13.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for CTS against 5.0 for Night Time Tales. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CTS ships an update every 8 months, Night Time Tales every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CTS | Night Time Tales |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/cts-cincinnati-test-systems/id1033877646/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/night-time-tales/id6478089698/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 2 MB | 2 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Cincinnati Test Systems](https://appshunter.io/developer/1033877645) | [Sidd Sengupta](https://appshunter.io/developer/1731610085) |

## What reviewers say

### CTS

[App page](https://appshunter.io/ios/app/cts-cincinnati-test-systems/id1033877646)

Calculate leak test cycle times using leak rate, volume, and pressure drop. This tool also offers conversions for various units of volume, pressure, and leak rates. It's designed for professionals in leak testing.

**Highlights:** Leak test cycle time calculation, Leak rate, volume, pressure drop variables, Volume conversions, Pressure conversions, Bubble to leak rate conversions, Length and area conversions

**Features:** macOS Compatibility

**In-app purchases:** none


### Night Time Tales

[App page](https://appshunter.io/ios/app/night-time-tales/id6478089698)

Generate unique bedtime stories for children with endless topics and themes. This app provides relief for parents by creating engaging narratives, complete with a fun quiz at the end to keep kids entertained.

**Highlights:** Customizable story topics and themes, Engaging narratives for children, Interactive quiz at the end of stories, Relief for parents from finding new books, Countless story possibilities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CTS free?

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

### Is Night Time Tales free?

Night Time Tales is free to download, with no in-app purchases.

### Which has better reviews, CTS or Night Time Tales?

CTS and Night Time Tales are both rated 5.0 out of 5 on the App Store, from 4 and 3 ratings respectively.

### Do CTS or Night Time Tales have ads?

Neither CTS nor Night Time Tales shows ads.

### Which is updated more often, CTS or Night Time Tales?

CTS ships an update every 8 months, and Night Time Tales every 3 weeks. Most recently, CTS was updated on November 2, 2026 and Night Time Tales on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
