Iron Studios vs Tummies
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Iron Studios
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Iron Studios "Re-Designed Pilates" Iron es un entrenamiento funcional de bajo impacto y alta intensidad inspirado en el Pilates Reformer, en el que combinarás: equilibrio, fuerza, cardio, resistencia y elasticidad llevando esta práctica al siguiente nivel. iFormer Room Podrás practicar hasta cinco clases diferentes sobre el Reformer, en cada una de ellas trabarás todo tu cuerpo. iMat Room Diferentes modalidades, estilos y clases con las que podrás completar tu entrenamiento de una forma innovadora sobre el mat. ---------- Iron Studios "Re-Designed Pilates" Iron is a low-impact and high-intensity functional workout inspired in Pilates Reformer. You'll combine: balance, strength, cardio, endurance, and flexibility, taking your workout to the next level. iFormer Room You will be able to practice up to five different classes on the Reformer, in each one you will work your entire body. iMat Room Different modalities, styles and classes that will allow you to complete your workout in an innovative way on the mat. Download the Iron Studios App today to plan and schedule your classes!
Tummies
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Record your baby's tummy time with a simple timer, and keep your little one engaged with black-and-white high-contrast cards. Key Features - Tummy time timer with daily and per-session goals - Screen stays on while you measure - Black-and-white high-contrast cards for newborns - Manage tummy time, notes and photos in the calendar - Growth Report: streaks and weekly summary - Growth statistics charts (daily total / personal best) - Daily tummy time reminders - Export records as CSV or PDF - Multiple baby profiles for siblings and twins - Choose a profile illustration that looks like your baby - Dark mode Take the first step toward your baby's healthy development with Tummies. * Supported Languages English, Korean, Portuguese, Spanish, Turkish, German, Polish
Screenshots
Verdict
The clearest difference is price: Iron Studios at Free against Tummies's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Iron Studios is free to download; Tummies costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Iron Studios ships an update every 2 months, Tummies every 3 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Iron Studios | Tummies |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 124 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | IRON STUDIOS BARCELONA S.L. | sosone |
In-app purchases
Iron Studios
No in-app purchases
Tummies
No in-app purchases








