Eternal Return vs Nemunmo
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Eternal Return
Engage in turn-based strategic battles against monsters and yokai in an anime-style fantasy world. Improve your hero, weapons, and magical pets through card collection and leveling up to restore the eternal return cycle. Enjoy an offline RPG experience with optional in-app purchases.
- Turn-based strategy battles
- Hero and Kami (monster) leveling
- Card-based weapon and magic upgrades
- Fantasy anime-style story
- Offline gameplay
- Optional in-app purchases
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The perpetual day has fallen upon the earth. Fight terrible monsters and yokai in the turn-based battles of Eternal Return, a turn-based strategy rpg. Use your hero's magic and your kami's (pokemon like monsters) magic to create the best strategy. Improve your weapons and magic thanks to card crawl. Eternal Return's battle system is similar to a board strategy rpg with turn-based battles. As you progress through dungeons, the monsters and bosses will become more and more powerful through almost infinite levels. Level up your hero, earn rewards and open chests to collect the game cards to improve your eternal sword and spells. This way you can choose between multiple types of weapons and attacks with the most diverse magic effects. Follow a fantasy story in a world of anime style, dystopian and with an atmosphere of japanese rpg. You’ll have to defeat the sun queen and the yokai hordes, so as to recover the eternal return cycle. Eternal Return takes the best things of other rpgs and great turn-based strategy games. You'll find multiple kami pets, magical monsters that fight for you. You can use them in turn-based battles, to defeat the most powerful monsters using their special magic. You can level up your Kami and teach them new attacks with very different effects that will allow you to define completely new fighting strategies. You can play Eternal Return as an offline casual game, as your inventory is saved offline only a couple of features require connection. All the content of the game is available and can be obtained for free, it depends on your expertise and strategy that you get to unlock all the secrets. There is no limit of stamina or energy. Purchases are optional and useful to complete your collections faster.
Nemunmo
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Make sleep something to look forward to. Nemunmo is a sleep-tracking and raising app where you review your daily sleep while caring for your partner, Nemunmo. Sleep data recorded in the Health app becomes EXP for your Nemunmo. The better you sleep, the more your Nemunmo grows, and your sleep patterns can lead it to evolve into a new form. Add a little more joy to bedtime, even on your busiest days. Build healthier sleep habits together with a Nemunmo of your own. KEY FEATURES • View sleep duration and sleep stages in easy-to-read charts • Review your daily sleep score and trends • Earn EXP based on how long you sleep • Raise and evolve your Nemunmo • Check sleep and growth from the Apple Watch app • View your sleep score and level with watch-face widgets • Photograph and share your favorite Nemunmo • Enjoy login bonuses and raising items Apple Watch is required to use this app. This app is not a medical device and is not intended to diagnose, treat, or prevent any medical condition.
Screenshots
Verdict
The clearest difference is in-app purchases: Nemunmo at none against Eternal Return's 9. Nemunmo also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 months). Eternal Return's advantage is iOS requirement (15.0 vs 18.5). On price 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
Both are free to download. Eternal Return sells 9 one-off in-app purchases. Nemunmo asks for nothing beyond the download.
Eternal Return ships an update every 2 months, Nemunmo every 2 days. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.
| Parameter | Eternal Return | Nemunmo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (33 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 33 — better | — |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 230 MB | 123 MB |
| Age rating | 12+ | 4+ |
| Developer | Nestor Dominguez Varela | Fumiya Shigehara |
In-app purchases
Eternal Return
- Fistful of crystals$1.09
- Push Up Pack$1.99
- Pouch of crystals$4.99
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- Starter Pack$4.99
- Sack of crystals$7.99
- Sack of crystals$9.99
- Barrel of crystals$17.99
- Wagon of crystals$35.99
- Mountain of crystals$54.99
Nemunmo
No in-app purchases









