# Hold+ vs AcidLog

The clearest difference is ads: AcidLog at none against Hold+'s shown. AcidLog also leads on update cadence (every 3 weeks vs every 2 months). Hold+'s advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Hold+ sells 1 one-off in-app purchase and AcidLog sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Hold+ ships an update every 2 months, AcidLog every 3 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hold+ | AcidLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acidlog-reflux-trigger-diary/id6790413892/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 55 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAN LUN LEE](https://appshunter.io/developer/1895236479) | [DJUMP, MB](https://appshunter.io/developer/1861303154) |

## What reviewers say

### Hold+

[App page](https://appshunter.io/ios/app/hold-plus-apnea-and-breath-trainer/id6763258103)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hold+ Premium | $6.99 | one-time |


### AcidLog

[App page](https://appshunter.io/ios/app/acidlog-reflux-trigger-diary/id6790413892)

This app helps you identify personal acid reflux triggers by logging meals and symptoms. It uses an on-device engine to correlate foods with your reported discomfort, providing a ranked list of likely culprits. Focus on what bothers you, not generic avoidance lists.

**Highlights:** Log meals and rate symptoms, On-device correlation engine, Personalized trigger list, Offline logging capability, Doctor-ready PDF reports, No advertisements

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Hold+ free?

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

### Is AcidLog free?

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

### Do Hold+ or AcidLog have ads?

Hold+ shows ads; AcidLog does not.

### Which is updated more often, Hold+ or AcidLog?

Hold+ ships an update every 2 months, and AcidLog every 3 weeks. Most recently, Hold+ was updated on November 9, 2026 and AcidLog on October 31, 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.*