# 1% Better Everyday Calculator vs Trajectory

The clearest difference is in-app purchases: Trajectory at none against 1% Better Everyday Calculator's 3. 1% Better Everyday Calculator's advantage is update cadence (daily vs fortnightly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. 1% Better Everyday Calculator sells 3 one-off in-app purchases. Trajectory asks for nothing beyond the download.

1% Better Everyday Calculator ships an update daily, Trajectory fortnightly. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 1% Better Everyday Calculator | Trajectory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 57 MB | 36 MB |
| Requires iOS | **11.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Phuong Thao Cao](https://appshunter.io/developer/1692784613) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### 1% Better Everyday Calculator

[App page](https://appshunter.io/ios/app/1-better-everyday-calculator/id6469519660)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate 1$ | $0.99 | one-time |
| Donate 2$ | $1.99 | one-time |
| Donate 5$ | $4.99 | one-time |


### Trajectory

[App page](https://appshunter.io/ios/app/trajectory-detection/id6511212764)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1% Better Everyday Calculator free?

1% Better Everyday Calculator is free to download, with in-app purchases available.

### Is Trajectory free?

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

### Do 1% Better Everyday Calculator or Trajectory have ads?

Both 1% Better Everyday Calculator and Trajectory show ads.

### Which is updated more often, 1% Better Everyday Calculator or Trajectory?

1% Better Everyday Calculator ships an update daily, and Trajectory fortnightly. Most recently, 1% Better Everyday Calculator was updated on October 16, 2026 and Trajectory on October 11, 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.*