# tempConvert vs LensTrace

The clearest difference is in-app purchases: tempConvert at none against LensTrace's 2. LensTrace's advantage is update cadence (every 10 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. LensTrace sells 2 one-off in-app purchases. tempConvert asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for tempConvert against 5.0 for LensTrace. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

tempConvert ships an update every 2 months, LensTrace every 10 days. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | tempConvert | LensTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/tempconvert/id350028121/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lenstrace/id6788419065/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 36 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Anderson](https://appshunter.io/developer/345127565) | [宁 李](https://appshunter.io/developer/6788214480) |

## What reviewers say

### tempConvert

[App page](https://appshunter.io/ios/app/tempconvert/id350028121)

Quickly convert temperatures between Fahrenheit and Celsius with instant results. This ad-free utility works offline, offering animated visuals and contextual labels for easy understanding. It supports negative temperatures and includes reference points for common scenarios.

**Highlights:** Instant temperature conversion, Fahrenheit to Celsius and vice versa, Offline functionality, Animated thermometer, Contextual labels, Dark mode support

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

**In-app purchases:** none


### LensTrace

[App page](https://appshunter.io/ios/app/lenstrace/id6788419065)

Enhance your photos with EXIF data and custom text watermarks. Add elegant frames and borders, with batch processing for efficient editing. Local processing ensures your data stays on your device.

**Highlights:** EXIF camera data watermarks, Custom text watermarks, Photo borders and frames, Batch import and export, Local photo processing, Custom font support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Lifetime Unlock | $0.99 | one-time |


## Frequently asked questions

### Is tempConvert free?

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

### Is LensTrace free?

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

### Which has better reviews, tempConvert or LensTrace?

tempConvert and LensTrace are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do tempConvert or LensTrace have ads?

Neither tempConvert nor LensTrace shows ads.

### Which is updated more often, tempConvert or LensTrace?

tempConvert ships an update every 2 months, and LensTrace every 10 days. Most recently, tempConvert was updated on September 19, 2026 and LensTrace on September 26, 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.*