# かんたん電子印鑑 vs SBL Cue Timer

The clearest difference is in-app purchases: かんたん電子印鑑 at none against SBL Cue Timer's 5. SBL Cue Timer's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. SBL Cue Timer sells 5 in-app purchases, starting at $3.99 per month. かんたん電子印鑑 asks for nothing beyond the download.

かんたん電子印鑑 ships an update every 11 days, SBL Cue Timer every 9 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | かんたん電子印鑑 | SBL Cue Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 9 days** |
| Size | 25 MB | 51 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) | [Takashi Funama](https://appshunter.io/developer/869299431) |

## What reviewers say

### かんたん電子印鑑

[App page](https://appshunter.io/ios/app/pdf/id6791579180)

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

**In-app purchases:** none


### SBL Cue Timer

[App page](https://appshunter.io/ios/app/sbl-cue-timer-stage-timer/id6817555762)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Annual | $34.99 | per year |
| AI Credits 5 | $0.99 | one-time |
| Pro 1 Day | $0.99 | one-time |
| AI Credits 10 | $1.99 | one-time |


## Frequently asked questions

### Is かんたん電子印鑑 free?

かんたん電子印鑑 is free to download, with no in-app purchases.

### Is SBL Cue Timer free?

SBL Cue Timer is free to download, with in-app purchases available.

### Do かんたん電子印鑑 or SBL Cue Timer have ads?

Both かんたん電子印鑑 and SBL Cue Timer show ads.

### Which is updated more often, かんたん電子印鑑 or SBL Cue Timer?

かんたん電子印鑑 ships an update every 11 days, and SBL Cue Timer every 9 days. Most recently, かんたん電子印鑑 was updated on October 31, 2026 and SBL Cue Timer on November 6, 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.*