# ContactHelper vs DoBuff

The clearest difference is price: DoBuff at Free against ContactHelper's $1.99. DoBuff also leads on ratings volume (39 vs 4). On rating, review sentiment, update cadence and ads there is nothing between them.

DoBuff is free to download; ContactHelper costs $1.99 up front. ContactHelper sells 1 one-off in-app purchase and DoBuff sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ContactHelper holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: DoBuff has 39 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

ContactHelper ships an update every 9 days, DoBuff weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ContactHelper | DoBuff |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/contacthelper/id6738916060/reviews)** | [4.8 (39 ratings)](https://appshunter.io/ios/app/dobuff-time-management/id6740776035/reviews) |
| Number of ratings | 4 | **39** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 21 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [虎 伏](https://appshunter.io/developer/1651188358) | [宇 李](https://appshunter.io/developer/1552609869) |

## What reviewers say

### ContactHelper

[App page](https://appshunter.io/ios/app/contacthelper/id6738916060)

Effortlessly manage your address book with advanced organization and lightning-fast search capabilities. Improve your native dialing experience for quicker connections. Take full control of your contacts and stay efficiently connected.

**Highlights:** Organize contacts with tags, Add pinyin nicknames, Instant search by name or number, T9 input search, Tap to dial functionality, Improved T9 dialing accuracy

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $1.99 | one-time |


### DoBuff

[App page](https://appshunter.io/ios/app/dobuff-time-management/id6740776035)

Enhance your reminders and calendar with powerful tools for time management, progress tracking, and goal setting. Visualize your tasks on a timeline, create unique weekly and yearly plans, and utilize focus timers with progress bars. Gain insights with trend statistics and countdowns.

**Highlights:** Timeline view for tasks, Weekly, monthly, and yearly planning, Focus timer with progress bar, Trend statistics and heatmaps, Countdown timers, Calendar integration, Widgets

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $0.99 | per month |
| 年会员 | $2.99 | per year |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is ContactHelper free?

ContactHelper costs $1.99, and also offers in-app purchases.

### Is DoBuff free?

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

### Which has better reviews, ContactHelper or DoBuff?

ContactHelper is rated higher. ContactHelper averages 5.0 out of 5 from 4 ratings, while DoBuff averages 4.8 from 39 ratings.

### Do ContactHelper or DoBuff have ads?

Neither ContactHelper nor DoBuff shows ads.

### Which is updated more often, ContactHelper or DoBuff?

ContactHelper ships an update every 9 days, and DoBuff weekly. Most recently, ContactHelper was updated on October 24, 2026 and DoBuff 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.*