# Solo Trip vs Calc4Key

The clearest difference is price: Solo Trip at Free against Calc4Key's $0.99. Solo Trip also leads on review sentiment (81% vs 63%). Calc4Key's advantage is update cadence (daily vs every 2 months) and device support (3 vs 1). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Solo Trip is free to download; Calc4Key costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solo Trip holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 2K and 821 respectively. Written reviews point the same way: 81% of Solo Trip's written reviews are positive against 63% of Calc4Key's.

Solo Trip ships an update every 2 months, Calc4Key daily. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Solo Trip | Calc4Key |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/solo-trip/id1456889218/reviews)** | [4.6 (821 ratings)](https://appshunter.io/ios/app/calc4key/id1585531759/reviews) |
| Number of ratings | **2K** | 821 |
| Positive reviews | **81.1% of reviews** | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | Free |
| Size | 4 MB | 9 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Palacios](https://appshunter.io/developer/974312661) | [Khang Le](https://appshunter.io/developer/1078541780) |

## What reviewers say

### Solo Trip

[App page](https://appshunter.io/ios/app/solo-trip/id1456889218)

This app tracks your distance for various activities like running, walking, biking, and driving. It provides essential metrics such as pace, speed, and distance covered. Detailed driving data can be exported for year-end review.

**Highlights:** Distance tracking, Pace and speed metrics, Run/Walk mode with mile alerts, Bike mode with average speed, Driving mode with exportable data, Kilometer support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Accurate tracking of distance and time
- 💡 Useful map feature showing route
- 🔒 No ads or subscriptions

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🐛 Inaccurate split times and distance tracking
- 🐛 Time zone issues with recorded times
- 🐛 Trips not saving properly

**Reported bugs**

- Pause button not working correctly
- Distance tracking issues when pausing/resuming
- Overlapping date and distance display
- Inconsistent GPS tracking accuracy

**Requested features**

- Add ability to manually edit/add trips
- Implement iCloud sync for cross-device use
- Add option to name/label individual trips
- Provide more data export options


### Calc4Key

[App page](https://appshunter.io/ios/app/calc4key/id1585531759)

Perform calculations directly within your keyboard, eliminating the need to switch apps or copy-paste results. This utility allows you to calculate anywhere you type, enhancing productivity and convenience.

**Highlights:** Calculator on keyboard, Calculate anywhere, No app switching, No copy-paste results, Easy keyboard selection

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

**In-app purchases:** none


## Frequently asked questions

### Is Solo Trip free?

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

### Is Calc4Key free?

Calc4Key costs $0.99, with no in-app purchases.

### Which has better reviews, Solo Trip or Calc4Key?

Solo Trip is rated higher. Solo Trip averages 4.8 out of 5 from 2K ratings, while Calc4Key averages 4.6 from 821 ratings.

### Do Solo Trip or Calc4Key have ads?

Neither Solo Trip nor Calc4Key shows ads.

### Which is updated more often, Solo Trip or Calc4Key?

Solo Trip ships an update every 2 months, and Calc4Key daily. Most recently, Solo Trip was updated on October 18, 2026 and Calc4Key on October 14, 2026.

---

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