# Convi.BASE 貸出し vs プレゼン・学会タイマー

The clearest difference is in-app purchases: Convi.BASE 貸出し at none against プレゼン・学会タイマー's 1. Convi.BASE 貸出し also leads on ads (none vs shown). プレゼン・学会タイマー's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.6 vs 18.0). On price and device support there is nothing between them.

Both are free to download. プレゼン・学会タイマー sells 1 one-off in-app purchase. Convi.BASE 貸出し asks for nothing beyond the download.

Convi.BASE 貸出し ships an update every 2 months, プレゼン・学会タイマー weekly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Convi.BASE 貸出し | プレゼン・学会タイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 31 MB | 4 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Convi.BASE Co., Ltd.](https://appshunter.io/developer/1748993468) | [ukyou kotake](https://appshunter.io/developer/1797309800) |

## What reviewers say

### Convi.BASE 貸出し

[App page](https://appshunter.io/ios/app/convibase/id963669988)

**Features:** Vision Pro support

**In-app purchases:** none


### プレゼン・学会タイマー

[App page](https://appshunter.io/ios/app/id6743424506)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を消す | $1.99 | one-time |


## Frequently asked questions

### Is Convi.BASE 貸出し free?

Convi.BASE 貸出し is free to download, with no in-app purchases.

### Is プレゼン・学会タイマー free?

プレゼン・学会タイマー is free to download, with in-app purchases available.

### Do Convi.BASE 貸出し or プレゼン・学会タイマー have ads?

プレゼン・学会タイマー shows ads; Convi.BASE 貸出し does not.

### Which is updated more often, Convi.BASE 貸出し or プレゼン・学会タイマー?

Convi.BASE 貸出し ships an update every 2 months, and プレゼン・学会タイマー weekly. Most recently, Convi.BASE 貸出し was updated on October 8, 2026 and プレゼン・学会タイマー on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*