# CalibratorVS vs Lento

The clearest difference is in-app purchases: CalibratorVS at none against Lento's 2. CalibratorVS also leads on device support (3 vs 1) and iOS requirement (11.3 vs 17.0). Lento's advantage is update cadence (every 11 days vs every 22 months). On price and ads there is nothing between them.

Both are free to download. Lento sells 2 in-app purchases, starting at $9.99 per year. CalibratorVS asks for nothing beyond the download.

CalibratorVS ships an update every 22 months, Lento every 11 days. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalibratorVS | Lento |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 9 MB | 14 MB |
| Requires iOS | **11.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Qvision, Departamento de Oftalmología](https://appshunter.io/developer/1602553646) | [Anh Phong](https://appshunter.io/developer/1739360024) |

## What reviewers say

### CalibratorVS

[App page](https://appshunter.io/ios/app/calibratorvs/id936244772)

**In-app purchases:** none


### Lento

[App page](https://appshunter.io/ios/app/lento-long-exposure-camera/id6759552504)

Capture stunning long exposures and light trails in real-time without special equipment. Achieve silky smooth water, eliminate moving objects, and gain precise manual control over your shots. Export in high-quality formats like RAW DNG.

**Highlights:** Real-time long exposure stacking, Light trail capture, Automatic ghost removal, Manual camera controls (ISO, focus, exposure), RAW DNG and HEIF export, Live preview of exposure build

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lento Pro | $9.99 | per year |
| Lento Pro | $29.99 | one-time |


## Frequently asked questions

### Is CalibratorVS free?

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

### Is Lento free?

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

### Do CalibratorVS or Lento have ads?

Neither CalibratorVS nor Lento shows ads.

### Which is updated more often, CalibratorVS or Lento?

CalibratorVS ships an update every 22 months, and Lento every 11 days. Most recently, CalibratorVS was updated on October 19, 2026 and Lento on October 7, 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.*