# TaskSync vs ieRcalc

The clearest difference is in-app purchases: ieRcalc at none against TaskSync's 1. ieRcalc also leads on iOS requirement (15.1 vs 17.6). TaskSync's advantage is update cadence (daily vs every 4 days). On price, ads and device support there is nothing between them.

Both are free to download. TaskSync sells 1 one-off in-app purchase. ieRcalc asks for nothing beyond the download.

TaskSync ships an update daily, ieRcalc every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | TaskSync | ieRcalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 6 MB | 37 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Sakuma](https://appshunter.io/developer/1791815850) | [REI KAMIKURA](https://appshunter.io/developer/1896764006) |

## What reviewers say

### TaskSync

[App page](https://appshunter.io/ios/app/tasksync-custom-memo-app/id6741540253)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プロ版機能 | $5.99 | one-time |


### ieRcalc

[App page](https://appshunter.io/ios/app/iercalc/id6771453728)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TaskSync free?

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

### Is ieRcalc free?

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

### Do TaskSync or ieRcalc have ads?

Neither TaskSync nor ieRcalc shows ads.

### Which is updated more often, TaskSync or ieRcalc?

TaskSync ships an update daily, and ieRcalc every 4 days. Most recently, TaskSync was updated on October 30, 2026 and ieRcalc on November 5, 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.*