# OffOf vs echo

The clearest difference is update cadence: echo at every 3 days against OffOf's every 59 months. OffOf's advantage is price ($0.99 vs $2.99) and device support (5 vs 1). On ads and in-app purchases there is nothing between them.

OffOf costs $0.99 and echo $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OffOf ships an update every 59 months, echo every 3 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OffOf | echo |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/offof/id883081837/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 60.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daeo Corp. Software](https://appshunter.io/developer/440991527) | [Arjun Mahanti](https://appshunter.io/developer/1028057606) |

## What reviewers say

### OffOf

[App page](https://appshunter.io/ios/app/offof/id883081837)

This app simplifies percentage calculations for shopping discounts and finding a percentage of a number. It offers a clean interface with satisfying sound and haptic feedback for a delightful user experience.

**Highlights:** Calculate percentage OFF, Calculate percentage OF, Shopping discount calculations, Mechanical keyboard sounds, Haptic feedback

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- ✨ Gorgeous design
- 👍 Simple and useful utility
- 💯 Best percentage calculator
- ✅ Does what it says
- 💡 Beautifully minimalist

**What reviewers complain about**

- ❌ Not updated
- ⚠️ Abandoned app
- 📉 No longer works
- 💔 Incompatible with iOS
- ⏳ Outdated

**Reported bugs**

- Not compatible with new iOS updates
- App no longer opens/works
- Freezes and force closes

**Requested features**

- Make it a fully functional calculator
- Update to new software/iOS versions
- Show final price after discount
- Auto clear fields on tap
- Update for X screens


### echo

[App page](https://appshunter.io/ios/app/echo-quick-notes/id6753983671)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OffOf free?

OffOf costs $0.99, with no in-app purchases.

### Is echo free?

echo costs $2.99, with no in-app purchases.

### Do OffOf or echo have ads?

Neither OffOf nor echo shows ads.

### Which is updated more often, OffOf or echo?

OffOf ships an update every 59 months, and echo every 3 days. Most recently, OffOf was updated on October 10, 2026 and echo on October 2, 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.*