# UPPCL Smart Consumer vs Calculator Lock

The clearest difference is review sentiment: Calculator Lock at 75% against UPPCL Smart Consumer's 0%. Calculator Lock also leads on rating (4.6 vs 1.0) and update cadence (every 2 weeks vs every 11 months). UPPCL Smart Consumer's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Calculator Lock sells 7 in-app purchases, starting at $1.99 per 7 days. UPPCL Smart Consumer asks for nothing beyond the download.

Calculator Lock holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Calculator Lock has 6.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of UPPCL Smart Consumer's written reviews are positive against 75% of Calculator Lock's.

UPPCL Smart Consumer ships an update every 11 months, Calculator Lock every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | UPPCL Smart Consumer | Calculator Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/uppcl-smart-consumer/id1502514872/reviews) | **[4.6 (6.6K ratings)](https://appshunter.io/ios/app/calculator-lock-secure-vault/id6446200267/reviews)** |
| Number of ratings | 3 | **6.6K** |
| Positive reviews | 0.0% of reviews | **74.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 80 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Energy Efficiency Services Limited](https://appshunter.io/developer/1093052616) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### UPPCL Smart Consumer

[App page](https://appshunter.io/ios/app/uppcl-smart-consumer/id1502514872)

This utility app provides reliable and cost-efficient electricity supply to citizens. It aims to be a trustworthy organization with transparent operations, ensuring uninterrupted quality power.

**Highlights:** Reliable electricity supply, Cost-efficient power, Transparent operations, Uninterrupted power, Quality electricity

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Lock

[App page](https://appshunter.io/ios/app/calculator-lock-secure-vault/id6446200267)

Securely hide your private photos, videos, contacts, and passwords behind a disguised calculator interface. Protect your sensitive files with a secret vault and access them only through the app's unique interface. Features include intruder selfies and cloud backups.

**Highlights:** Photo hiding, Video hiding, Contact hiding, Password manager, Disguise mode, Intruder selfie, Cloud backup

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Lock Pro Weekly | $1.99 | per 7 days |
| Hide Photos & Videos | $4.99 | per month |
| Calculator Lock Pro Yearly | $14.99 | per year |
| Remove Ads | $3.99 | one-time |
| Calculator Lock (Remove Ads) | $3.99 | one-time |
| Calculator Lock Pro (Discount) | $14.99 | one-time |
| Calculator Lock Pro (Lifetime) | $29.99 | one-time |

**What reviewers like**

- 🔒 Hidden app
- 👍 Good features
- 👍 Simple and easy to use
- 🔒 Secure vault for photos, videos, and passwords

**What reviewers complain about**

- 🐛 Buggy (doesn't save downloaded videos, can't paste in notes)
- 🔍 App name not very discreet
- 💸 Too much advertising

**Reported bugs**

- Doesn't save downloaded videos to gallery
- Can't paste information in notes
- Intruder selfie feature not working
- App icon change not working

**Requested features**

- Ability to change app name
- Sync between devices
- Ability to paste information in notes


## Frequently asked questions

### Is UPPCL Smart Consumer free?

UPPCL Smart Consumer is free to download, with no in-app purchases.

### Is Calculator Lock free?

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

### Which has better reviews, UPPCL Smart Consumer or Calculator Lock?

Calculator Lock is rated higher. UPPCL Smart Consumer averages 1.0 out of 5 from 3 ratings, while Calculator Lock averages 4.6 from 6.6K ratings.

### Do UPPCL Smart Consumer or Calculator Lock have ads?

Calculator Lock shows ads; UPPCL Smart Consumer does not.

### Which is updated more often, UPPCL Smart Consumer or Calculator Lock?

UPPCL Smart Consumer ships an update every 11 months, and Calculator Lock every 2 weeks. Most recently, UPPCL Smart Consumer was updated on November 3, 2026 and Calculator Lock on November 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.*