# MaPiscine vs Bob & Lynda

The clearest difference is in-app purchases: MaPiscine at none against Bob & Lynda's 1. MaPiscine also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Bob & Lynda's advantage is update cadence (every 9 days vs every 35 months). On price and device support there is nothing between them.

Both are free to download. Bob & Lynda sells 1 in-app purchase, starting at $3.99 per year. MaPiscine asks for nothing beyond the download.

MaPiscine ships an update every 35 months, Bob & Lynda every 9 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | MaPiscine | Bob & Lynda |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 35 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 29 MB | 38 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Microdos srl](https://appshunter.io/developer/1470376920) | [AM Digital Life](https://appshunter.io/developer/1713178117) |

## What reviewers say

### MaPiscine

[App page](https://appshunter.io/ios/app/mapiscine/id1506564342)

Monitor your swimming pool's pH and Rx pumps with this straightforward application. View real-time measurements, dosing, and alarms, with historical data charts available for up to 30 days.

**Highlights:** Real-time pH and Rx pump monitoring, View dosing and alarms, Historical measurement charts, Up to 30 days of data history, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Bob & Lynda

[App page](https://appshunter.io/ios/app/bob-and-lynda/id6720728432)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| annual premium pass | $3.99 | per year |


## Frequently asked questions

### Is MaPiscine free?

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

### Is Bob & Lynda free?

Bob & Lynda is free to download, with in-app purchases available.

### Do MaPiscine or Bob & Lynda have ads?

Bob & Lynda shows ads; MaPiscine does not.

### Which is updated more often, MaPiscine or Bob & Lynda?

MaPiscine ships an update every 35 months, and Bob & Lynda every 9 days. Most recently, MaPiscine was updated on November 3, 2026 and Bob & Lynda on November 8, 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.*