# レター vs SC

The clearest difference is review sentiment: レター at 70% against SC's 5%. レター also leads on in-app purchases (none vs 16) and ads (none vs shown). SC's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.2). On price there is nothing between them.

Both are free to download. SC sells 15 one-off in-app purchases. レター asks for nothing beyond the download.

レター ships an update every 3 weeks, SC every 8 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | レター | SC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (50 ratings)](https://appshunter.io/ios/app/id789614903/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | **70.0% of reviews** | 5.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 132 MB | 564 MB |
| Requires iOS | 16.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ROLLCAKE Inc.](https://appshunter.io/developer/789614906) | [SINEI Co.,Ltd.](https://appshunter.io/developer/954735332) |

## What reviewers say

### レター

[App page](https://appshunter.io/ios/app/id789614903)

**In-app purchases:** none


### SC

[App page](https://appshunter.io/ios/app/sc-view/id1640647282)

Monitor live and recorded footage from your cameras remotely. Purchase plans within the app to enable cloud recording. Ideal for home security, pet monitoring, and video calls.

**Highlights:** Real-time camera viewing, Recorded footage playback, Remote access, Cloud recording option, Video calls between devices, Home security monitoring

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【1ヶ月プラン】7日間検知録画 | $3.99 | one-time |
| 【1ヶ月プラン】7日間連続録画 | $5.99 | one-time |
| AI Alerts \| Premium \| 1-Month | $6.99 | one-time |
| AI Alerts \| Entry \| 1-Month | $6.99 | one-time |
| 【1ヶ月プラン】14日間検知録画 | $9.99 | one-time |
| 【1ヶ月プラン】14日間連続録画 | $9.99 | one-time |
| 【1ヶ月プラン】30日間検知録画 | $12.99 | one-time |
| 【1ヶ月プラン】30日間連続録画 | $19.99 | one-time |
| 【1年プラン】7日間検知録画 | $39.99 | one-time |
| AI Alerts \| Entry \| 1-Year | $59.99 | one-time |
| AI Alerts\| \| Entry \| 1-Year | $59.99 | one-time |
| 【1年プラン】7日間連続録画 | $59.99 | one-time |
| AI Alerts \| Premium \| 1-Year | $69.99 | one-time |
| 【1年プラン】14日間検知録画 | $99.99 | one-time |
| 【1年プラン】30日間検知録画 | $129.99 | one-time |


## Frequently asked questions

### Is レター free?

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

### Is SC free?

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

### Do レター or SC have ads?

SC shows ads; レター does not.

### Which is updated more often, レター or SC?

レター ships an update every 3 weeks, and SC every 8 months. Most recently, レター was updated on October 23, 2026 and SC on October 25, 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.*