# Celtic Tree Calendar vs Nighty Lighty

The clearest difference is review sentiment: Nighty Lighty at 84% against Celtic Tree Calendar's 0%. Nighty Lighty also leads on price (Free vs $0.99) and iOS requirement (16.0 vs 18.0). Celtic Tree Calendar's advantage is in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

Nighty Lighty is free to download; Celtic Tree Calendar costs $0.99 up front. Nighty Lighty sells 3 one-off in-app purchases. Celtic Tree Calendar asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Celtic Tree Calendar | Nighty Lighty |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (402 ratings)](https://appshunter.io/ios/app/nighty-lighty-dim-flashlight/id6449687527/reviews)** |
| Number of ratings | — | **402** |
| Positive reviews | 0.0% of reviews | **84.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 33 MB | 56 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stuart Woolley](https://appshunter.io/developer/315697638) | [Shuichi Nagao](https://appshunter.io/developer/1181929917) |

## What reviewers say

### Celtic Tree Calendar

[App page](https://appshunter.io/ios/app/celtic-tree-calendar/id474222176)

Explore your birth tree and its associated Ogham letter, folklore, and meaning. This app offers beautifully illustrated botanical artwork and genuine Ogham scholarship, allowing you to discover the Celtic Tree Year and share tree cards with friends. It works offline and is private by design.

**Highlights:** Discover your birth tree and Ogham letter, Interactive Celtic Tree Year wheel, Gallery of original botanical illustrations, Deep lore for each sign, Authentic Ogham information, Home-screen widgets, Share tree cards

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

**In-app purchases:** none


### Nighty Lighty

[App page](https://appshunter.io/ios/app/nighty-lighty-dim-flashlight/id6449687527)

Transform your device into a versatile night light and flashlight. Customize brightness, color, and modes for reading, baby care, or navigating in the dark. Features include adjustable intensity, strobe, and SOS modes.

**Highlights:** Adjustable brightness and color, Customizable flashlight intensity, Strobe and SOS flashlight modes, Eye-friendly low blue light setting, Battery efficient optimization, Widget for quick access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Platinum Plan | $3.99 | one-time |
| Nighty Lighty Premium | $5.99 | one-time |
| Nighty Lighty Platinum Plan | $9.99 | one-time |

**What reviewers like**

- 👍 Great for low-light reading
- 👍 Useful as a night light
- 👍 Calming and blue-filtered light
- 👍 Convenient for travel
- 👍 Works well for children

**What reviewers complain about**

- 😡 In-app purchases required
- 🐛 App crashes immediately
- 🐛 Doesn't open upon launching
- 🤔 Paywall for some features
- 🤔 Light not bright enough for some

**Reported bugs**

- Does not allow changing colors
- Closes immediately upon opening
- It wouldn’t even open
- App crashes immediately upon opening

**Requested features**

- Allow changing colors without payment
- More "doudou" (comfort object) shapes
- Light circle expands to fill screen when increasing brightness
- Automatic brightness reduction when phone faces user


## Frequently asked questions

### Is Celtic Tree Calendar free?

Celtic Tree Calendar costs $0.99, with no in-app purchases.

### Is Nighty Lighty free?

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

### Do Celtic Tree Calendar or Nighty Lighty have ads?

Neither Celtic Tree Calendar nor Nighty Lighty shows ads.

### Which is updated more often, Celtic Tree Calendar or Nighty Lighty?

Celtic Tree Calendar ships an update every 3 weeks, and Nighty Lighty every 3 weeks. Most recently, Celtic Tree Calendar was updated on October 23, 2026 and Nighty Lighty on October 27, 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.*