# DayCalc vs PaperPhoneLite

The clearest difference is in-app purchases: PaperPhoneLite at none against DayCalc's 4. PaperPhoneLite also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). DayCalc's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. DayCalc sells 4 one-off in-app purchases. PaperPhoneLite asks for nothing beyond the download.

DayCalc ships an update every 3 weeks, PaperPhoneLite every 4 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DayCalc | PaperPhoneLite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (126 ratings)](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 87.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 170 MB | 38 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [易捷 刘](https://appshunter.io/developer/1896640771) |

## What reviewers say

### DayCalc

[App page](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264)

This app combines a powerful calculator with a comprehensive unit converter. It offers standard, scientific, and fraction calculations, along with over 600 units across 20 categories. Users can customize units, add notes to calculations, and enjoy a visually appealing interface with multiple themes.

**Highlights:** Standard, scientific, and fraction calculator, Live voice calculator, Add notes to calculations, Over 600 units in 20 categories, Custom unit creation, Automatic currency exchange rate updates, 50+ themes and dark mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constants Pack | $0.99 | one-time |
| Custom Unit Pack | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Complete Pack | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use and convenient
- 💯 All-in-one calculator with multiple functions
- ✨ Customizable themes and backgrounds
- 🧮 Supports fraction calculations
- 📈 History and memory functions available

**What reviewers complain about**

- ⚠️ Ads can be intrusive
- 🐛 Some users experience update issues
- ❌ Weight conversions not always available
- 🔊 Unwanted sound effects
- ❓ Ad-free cost unclear for cross-platform

**Reported bugs**

- Update issues, stuck in update loop
- Cannot install after removal
- Weight conversion not showing
- Keys making sound unexpectedly
- App not working after professional version update

**Requested features**

- Add Pi button
- Improve currency conversion navigation
- iCloud support for syncing across devices
- Add background running feature
- Ability to change app icon


### PaperPhoneLite

[App page](https://appshunter.io/ios/app/paperphonelite/id6802749118)

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

**In-app purchases:** none


## Frequently asked questions

### Is DayCalc free?

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

### Is PaperPhoneLite free?

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

### Do DayCalc or PaperPhoneLite have ads?

DayCalc shows ads; PaperPhoneLite does not.

### Which is updated more often, DayCalc or PaperPhoneLite?

DayCalc ships an update every 3 weeks, and PaperPhoneLite every 4 days. Most recently, DayCalc was updated on October 17, 2026 and PaperPhoneLite on October 8, 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.*