# SEALIGHT vs PROG_CALC

The clearest difference is review sentiment: PROG_CALC at 100% against SEALIGHT's 0%. PROG_CALC also leads on rating (5.0 vs 1.0) and device support (4 vs 2). SEALIGHT's advantage is ratings volume (5 vs 1) and iOS requirement (11.0 vs 13). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PROG_CALC holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: SEALIGHT has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of SEALIGHT's written reviews are positive against 100% of PROG_CALC's.

SEALIGHT ships an update fortnightly, PROG_CALC every 2 weeks. The most recent releases landed on October 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SEALIGHT | PROG_CALC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/sealight/id1562817347/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prog-calc/id1640426491/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 78 MB |
| Requires iOS | **11.0** | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [嘉欣 胡](https://appshunter.io/developer/1640395440) |

## What reviewers say

### SEALIGHT

[App page](https://appshunter.io/ios/app/sealight/id1562817347)

Control smart lights and activate intelligent living modes through your smartphone. Enhance your quality of life with seamless smart home integration.

**Highlights:** Connect smart lights, Activate intelligent living modes, Control via smartphone, Enhance quality of life, Smart home integration

**Features:** macOS Compatibility

**In-app purchases:** none


### PROG_CALC

[App page](https://appshunter.io/ios/app/prog-calc/id1640426491)

This app offers a programmable calculator with two distinct modes for daily computing and advanced mathematical functions. It supports system conversions between binary, octal, decimal, and hexadecimal, and allows for variable storage and code sharing.

**Highlights:** Basic and advanced calculation modes, Syntax parser, Variable storage and editing, Binary, octal, decimal, hexadecimal conversion, Built-in code examples, Code sharing via QR code or file

**In-app purchases:** none


## Frequently asked questions

### Is SEALIGHT free?

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

### Is PROG_CALC free?

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

### Which has better reviews, SEALIGHT or PROG_CALC?

PROG_CALC is rated higher. SEALIGHT averages 1.0 out of 5 from 5 ratings, while PROG_CALC averages 5.0 from 1 ratings.

### Do SEALIGHT or PROG_CALC have ads?

Neither SEALIGHT nor PROG_CALC shows ads.

### Which is updated more often, SEALIGHT or PROG_CALC?

SEALIGHT ships an update fortnightly, and PROG_CALC every 2 weeks. Most recently, SEALIGHT was updated on October 15, 2026 and PROG_CALC on September 17, 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.*