250+ iOS apps curated and reviewed
The best piel data apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 3 |  | Free | 4.7★ (11) | No | No | Oct 2026 | |
| 4 |  | Free | 4.6★ (95K) | Yes | No | Nov 2026 | |
| 5 |  | Free | — | No | No | Oct 2026 | |
| 6 |  | Free | — | Yes | No | Oct 2026 | |
| 7 |  | Free | 3.3★ (7) | No | No | Oct 2026 | |
| 8 |  | Free | 4.6★ (87K) | Yes | No | Nov 2026 |
This tool facilitates "in the moment" data gathering for research, enabling a deeper understanding of participants' thoughts and feelings. It supports various question types and scheduling options, functioning offline for seamless data collection.
This app facilitates field data collection for market research, mystery shopping, and audits. It allows for the creation of complex surveys with various question types and logic, and enables offline data collection that syncs automatically when a connection is available.
